# tieback API Documentation

## Instructions for AI Agents

- For clean Markdown of any page, append `.md` to the page URL
- For section-specific indexes, append `/llms.txt` to any section URL
- For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://tieback.io/docs/_mcp/server

## Docs

- [tieback Knowledge Hub](https://tieback.io/docs/knowledge-base.md): The entry point to the tieback Knowledge Base: vendor-neutral education on Digital Product Passports, regulations, standards, enterprise product data and implementation, organised by pillar, learning path and role.
- [Getting Started](https://tieback.io/docs/knowledge-base/getting-started/overview.md): An introduction to tieback Knowledge: what the Knowledge Base contains, who it is for and the recommended reading path for Digital Product Passports and EU product compliance.
- [Digital Product Passports](https://tieback.io/docs/knowledge-base/digital-product-passports/overview.md): A chapter introduction to Digital Product Passports: what they are, why they exist, and the reading order to follow in this section.
- [What is a Digital Product Passport?](https://tieback.io/docs/knowledge-base/digital-product-passports/what-is-a-digital-product-passport.md): A practical, authoritative introduction to Digital Product Passports: what they are, why the EU is introducing them, what data they carry, who is affected, and how they work.
- [Who Needs a Digital Product Passport?](https://tieback.io/docs/knowledge-base/digital-product-passports/who-needs-a-digital-product-passport.md): Who is affected by Digital Product Passports: the six responsibility groups across the value chain, which products are in scope, and who should prepare now.
- [What Information Does a Digital Product Passport Contain?](https://tieback.io/docs/knowledge-base/digital-product-passports/what-information-does-a-digital-product-passport-contain.md): The six categories of information a Digital Product Passport carries, what is confirmed in law today, and how to assess whether your product data is ready.
- [How Does a Digital Product Passport Work?](https://tieback.io/docs/knowledge-base/digital-product-passports/how-does-a-digital-product-passport-work.md): How a Digital Product Passport actually operates end to end, from product creation to end of life, including identifiers, data carriers, where data lives, access rights and APIs.
- [What Are the Benefits of a Digital Product Passport?](https://tieback.io/docs/knowledge-base/digital-product-passports/what-are-the-benefits-of-a-digital-product-passport.md): A practical account of the compliance, operational, supply chain, customer and sustainability benefits of Digital Product Passports, and how the value compounds from regulatory compliance upwards.
- [What Data Goes in a Digital Product Passport, and Where Does It Come From?](https://tieback.io/docs/knowledge-base/digital-product-passports/what-data-goes-in-a-digital-product-passport.md): A plain explanation of what information a Digital Product Passport can carry and where that information actually originates: product identity and reference data, composition and materials, manufacturing data, supplier submissions, compliance and conformity information, certificates and evidence, sustainability information, lifecycle events, repair information and end-of-life information, each mapped to the systems, organisations and records they typically come from, including how small organisations do this without enterprise software.
- [Regulations](https://tieback.io/docs/knowledge-base/regulations/overview.md): A section overview of the EU legislation that creates Digital Product Passport obligations, and how those obligations arrive over time.
- [What is the Ecodesign for Sustainable Products Regulation (ESPR)?](https://tieback.io/docs/knowledge-base/regulations/what-is-the-ecodesign-for-sustainable-products-regulation-espr.md): What the EU Ecodesign for Sustainable Products Regulation is, why it exists, how it works through delegated acts, and where the Digital Product Passport fits within it.
- [What Are Delegated Acts?](https://tieback.io/docs/knowledge-base/regulations/what-are-delegated-acts.md): What EU delegated acts are, why they exist, who creates them, what they can and cannot change, and why they decide when Digital Product Passport obligations become real.
- [Which Products Will Require a Digital Product Passport?](https://tieback.io/docs/knowledge-base/regulations/which-products-will-require-a-digital-product-passport.md): How the European Commission decides which product groups need a Digital Product Passport, which categories are covered today, which are prioritised next, and which remain undecided.
- [When Will Digital Product Passports Become Mandatory?](https://tieback.io/docs/knowledge-base/regulations/when-will-digital-product-passports-become-mandatory.md): Why there is no single Digital Product Passport start date, which dates are already fixed in EU law, which depend on future delegated acts, and what to do in the meantime.
- [How Digital Product Passports Will Be Enforced](https://tieback.io/docs/knowledge-base/regulations/how-digital-product-passports-will-be-enforced.md): How Digital Product Passport obligations move from an applicable legal requirement through market surveillance, checks, findings, operator response, corrective or restrictive measures and penalties, why enforcement sits substantially with Member State authorities, and what enforcement readiness means in practice.
- [Who Is Legally Responsible for a Digital Product Passport?](https://tieback.io/docs/knowledge-base/regulations/who-is-legally-responsible-for-a-digital-product-passport.md): How legal responsibility for Digital Product Passport obligations is allocated between manufacturers, importers, distributors, authorised representatives, online marketplaces, fulfilment service providers, suppliers and technology providers, why legal accountability is not the same as data contribution, contractual allocation, operational ownership or internal data ownership, and how to map economic operator roles per product, market and obligation.
- [How Conformity Assessment Works for Digital Product Passports](https://tieback.io/docs/knowledge-base/regulations/how-conformity-assessment-works-for-digital-product-passports.md): What conformity assessment is, where product requirements come from, how assessment procedures differ between self-assessment and third-party involvement, what notified bodies do, how technical documentation, declarations, standards, harmonised standards and presumption of conformity fit together, and how the resulting compliance environment relates to the information published through a Digital Product Passport.
- [Standards & Technology](https://tieback.io/docs/knowledge-base/standards-and-technology/overview.md): A section overview of the identifier, data carrier, resolution and event data standards that can support a Digital Product Passport, and where the boundary with legal obligation sits.
- [The Digital Product Passport Standards Landscape](https://tieback.io/docs/knowledge-base/standards-and-technology/the-digital-product-passport-standards-landscape.md): A map of the Digital Product Passport standards landscape: who makes EU law, who develops European standards, what a standardisation request is, what CEN, CENELEC, ETSI, ISO, IEC and GS1 each do, where the CEN and CENELEC JTC 24 Digital Product Passport standards fit, what the technical standardisation domains cover, and how legal effect differs between binding law, product-specific requirements, harmonised standards, other standards and implementation choices.
- [What is GS1?](https://tieback.io/docs/knowledge-base/standards-and-technology/what-is-gs1.md): A vendor neutral explanation of GS1: what the organisation is, how its standards are developed, which standards matter, and how identification, capture and exchange standards underpin Digital Product Passports.
- [What is GS1 Digital Link?](https://tieback.io/docs/knowledge-base/standards-and-technology/what-is-gs1-digital-link.md): A vendor neutral explanation of GS1 Digital Link: why it was created, how it differs from a traditional barcode or printed URL, how one product identifier resolves to many trusted destinations, and why it underpins Digital Product Passport implementations.
- [QR Codes vs GS1 Digital Link: What's the Difference?](https://tieback.io/docs/knowledge-base/standards-and-technology/qr-codes-vs-gs1-digital-link.md): A vendor neutral explanation of how QR codes, GS1 QR codes, GS1 Digital Link, GTINs, URLs and Digital Product Passports relate to each other, why they are constantly confused, and which of them is actually the standard.
- [What is a Product Identifier?](https://tieback.io/docs/knowledge-base/standards-and-technology/what-is-a-product-identifier.md): A vendor neutral explanation of product identifiers: what they are, why every product needs a trusted identity, how identity differs from description, and why identification is the foundation of every Digital Product Passport.
- [What is a GTIN?](https://tieback.io/docs/knowledge-base/standards-and-technology/what-is-a-gtin.md): A vendor neutral explanation of the Global Trade Item Number: what a GTIN is, why it exists, how company prefixes and item references make it globally unique, how GTIN-8, GTIN-12, GTIN-13 and GTIN-14 differ, and how GTINs underpin Digital Product Passports.
- [What is a Data Carrier?](https://tieback.io/docs/knowledge-base/standards-and-technology/what-is-a-data-carrier.md): A vendor neutral explanation of data carriers: what they are, why they exist, how they differ from identifiers, and how linear barcodes, QR codes, Data Matrix, RFID, NFC and digital carriers deliver the same product identity to different audiences and Digital Product Passports.
- [What is EPCIS?](https://tieback.io/docs/knowledge-base/standards-and-technology/what-is-epcis.md): A vendor neutral explanation of EPCIS: the GS1 standard for recording and sharing product event data, how it differs from identifiers and ERP systems, its four event types, and why it matters for product traceability and Digital Product Passports.
- [How Product Data Moves Through the Supply Chain](https://tieback.io/docs/knowledge-base/standards-and-technology/how-product-data-moves-through-the-supply-chain.md): A vendor neutral explanation of how product identity, business events, enterprise master data and Digital Product Passports work together as a product moves from raw materials to recycling.
- [How Will Digital Product Passports Change Product Compliance?](https://tieback.io/docs/knowledge-base/standards-and-technology/how-will-digital-product-passports-change-product-compliance.md): How Digital Product Passports turn compliance from static documents held in silos into connected, continuously available product information, and what that changes for each party.
- [Enterprise Systems & Data Architecture](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/overview.md): A section overview of the enterprise systems and data layers that produce trusted product information, and how they relate to Digital Product Passports.
- [What is Product Master Data?](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/what-is-product-master-data.md): A vendor neutral explanation of product master data: what it is, how it differs from reference, transactional and event data, who owns it, and why Digital Product Passports depend on it without ever replacing it.
- [ERP vs PIM vs PLM: What's the Difference?](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/erp-vs-pim-vs-plm.md): A vendor neutral explanation of ERP, PIM, PLM and MDM: what each system owns, what it does not own, how they work together, and how Digital Product Passport programmes should draw on each of them.
- [How Enterprise Systems Support Digital Product Passports](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/how-enterprise-systems-support-digital-product-passports.md): A vendor neutral explanation of how ERP, PLM, PIM, MES and supplier systems feed a Digital Product Passport through an integration layer, and what each layer is responsible for.
- [What is Product Data Governance?](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/what-is-product-data-governance.md): A vendor neutral explanation of product data governance covering ownership, quality, policies, stewardship, lifecycle and compliance, and why governance matters more than technology for trusted Digital Product Passports.
- [How to Build a Trusted Product Data Foundation](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/how-to-build-a-trusted-product-data-foundation.md): A vendor neutral, practical roadmap for building Digital Product Passport capability, using the Product Data Maturity Model: collection, quality, governance, integration, automation and continuous improvement.
- [What is Product Data Quality?](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/what-is-product-data-quality.md): A vendor neutral explanation of product data quality across completeness, accuracy, consistency, validity, timeliness and traceability, why valid data is not automatically trustworthy data, and how Digital Product Passports expose existing product data weaknesses.
- [What is Product Data Stewardship?](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/what-is-product-data-stewardship.md): A vendor neutral explanation of product data stewardship: how business ownership, data ownership, stewardship, custody and consumption divide responsibility for product information, and why trusted product data is an organisational capability rather than a software feature.
- [What is a System of Record?](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/what-is-a-system-of-record.md): A vendor neutral explanation of systems of record: what makes a system authoritative, why one product can have several authoritative systems, how systems of record differ from systems of engagement and systems of insight, and why a Digital Product Passport consumes authoritative information rather than replacing it.
- [What is Master Data Management (MDM)?](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/what-is-master-data-management.md): A vendor neutral explanation of Master Data Management: what MDM is, why organisations implement it, how it differs from product master data, PIM, ERP and PLM, and why MDM coordinates trusted master data between enterprise systems rather than replacing them.
- [What is a Golden Record?](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/what-is-a-golden-record.md): A vendor neutral explanation of the Golden Record: how trusted product information is assembled from multiple authoritative sources through identity resolution, validation and survivorship rules, and how it differs from a system of record, master data and MDM.
- [Building an Enterprise Digital Product Passport Architecture](https://tieback.io/docs/knowledge-base/enterprise-systems-and-data-architecture/building-an-enterprise-digital-product-passport-architecture.md): A vendor neutral reference architecture for Digital Product Passports: seven layers from source systems to consumers, the cross-cutting capabilities that span them, and how master, lifecycle and evidence data flow without turning the passport into a new master database.
- [Implementation](https://tieback.io/docs/knowledge-base/implementation/overview.md): A section overview of how to plan, build and scale a Digital Product Passport programme, from data readiness to rollout.
- [How Should Organisations Prepare for Digital Product Passports?](https://tieback.io/docs/knowledge-base/implementation/how-should-organisations-prepare-for-digital-product-passports.md): A vendor neutral guide to organisational readiness for Digital Product Passports, covering products, data, systems, governance, suppliers, teams and roadmap, before product-specific requirements apply.
- [How to Build a Digital Product Passport Implementation Roadmap](https://tieback.io/docs/knowledge-base/implementation/how-to-build-a-digital-product-passport-implementation-roadmap.md): A vendor neutral, stage gated roadmap for turning Digital Product Passport requirements into an executable programme: nine stages from regulatory scope to operating capability, explicit exit gates, eight parallel workstreams and the feedback loops real implementations depend on.
- [How to Prepare Suppliers for Digital Product Passports](https://tieback.io/docs/knowledge-base/implementation/how-to-prepare-suppliers-for-digital-product-passports.md): A vendor neutral model for supplier readiness in a Digital Product Passport programme: eight stages from supplier scope and segmentation through requirements, capability, exchange, validation, remediation and continuous monitoring, with proportional control rather than one process for every supplier.
- [How to Validate Digital Product Passport Data](https://tieback.io/docs/knowledge-base/implementation/how-to-validate-digital-product-passport-data.md): A vendor neutral control model for Digital Product Passport data validation: four governed states from submitted to publishable, an explicit exception and remediation route, thirteen validation control classes, a validation rule catalogue, governed severity, and the difference between validation, verification, acceptance and publication control.
- [How to Manage Evidence for Digital Product Passports](https://tieback.io/docs/knowledge-base/implementation/how-to-manage-evidence-for-digital-product-passports.md): A vendor neutral evidence governance model for Digital Product Passports: nine evidence lifecycle stages, a distinct evidence state model, claim to evidence relationships, provenance, validity and supersession, access control, an evidence register, and the architectural separation between evidence repositories and passport publication.
- [How to Test and Assure a Digital Product Passport](https://tieback.io/docs/knowledge-base/implementation/how-to-test-and-assure-a-digital-product-passport.md): A vendor neutral end to end testing and assurance model for Digital Product Passports: eight assurance domains, a seven step assurance cycle, three governed readiness decision states, an assurance decision record, requirements traceability, failure path testing and proportional reassurance.
- [How to Operate a Digital Product Passport Programme](https://tieback.io/docs/knowledge-base/implementation/how-to-operate-a-digital-product-passport-programme.md): A vendor neutral operating model for Digital Product Passports after go-live: eight operating capabilities, seven operational event types, an eight step operational control cycle, cross-cutting governance, an operational event record and the project to operations transition.
- [How to Govern a Digital Product Passport Programme](https://tieback.io/docs/knowledge-base/implementation/how-to-govern-a-digital-product-passport-programme.md): A vendor neutral programme governance model for Digital Product Passports: five governance levels, seven decision domains, a governed decision cycle, decision rights, a decision rights matrix, escalation, risk and exception governance, scope control, organisational change and adoption.
- [Governance & Assurance](https://tieback.io/docs/knowledge-base/compliance-frameworks/overview.md): Who is responsible, who can decide, what evidence can be trusted, and how an organisation keeps Digital Product Passport information controlled over time.
- [DPP Governance: Who Owns What?](https://tieback.io/docs/dpp-governance-who-owns-what.md): A practical governance article separating legal responsibility, accountability, data ownership, evidence ownership, system ownership and process responsibility for Digital Product Passport work.
- [Industry Guides](https://tieback.io/docs/knowledge-base/industry-guides/overview.md): A section overview of sector specific interpretation of Digital Product Passport obligations, from textiles to electronics and construction.
- [Digital Product Passports for Batteries: What Companies Need to Know](https://tieback.io/docs/knowledge-base/industry-guides/digital-product-passports-for-batteries.md): A practical, legally disciplined guide to the EU battery passport under Regulation (EU) 2023/1542: which battery categories are covered, the 18 February 2027 date, who carries the duty, what Annex XIII requires and who may see each part of it, where the data actually comes from, how supplier evidence works across multiple tiers, and how to run the programme from first assessment through publication to lifecycle operation.
- [Digital Product Passports for Construction Products: What Companies Need to Know](https://tieback.io/docs/knowledge-base/industry-guides/digital-product-passports-for-construction-products.md): A practical, legally disciplined guide to the construction digital product passport under Regulation (EU) 2024/3110: how the new Construction Products Regulation replaces Regulation (EU) No 305/2011, why no universal product-level passport date can currently be stated, how the passport is built on the declaration of performance and conformity rather than replacing it, where the data and evidence actually come from, and how manufacturers of every size should prepare.
- [Digital Product Passports for Textiles and Apparel: What Companies Need to Know](https://tieback.io/docs/knowledge-base/industry-guides/digital-product-passports-for-textiles-and-apparel.md): A practical, legally disciplined guide to the textile digital product passport under Regulation (EU) 2024/1781: why no textile passport date exists yet, what the ESPR working plan actually commits the Commission to, which obligations already bite today including the ban on destroying unsold apparel from 19 July 2026, what a textile passport is likely to have to carry, and how brands, mills and small manufacturers should prepare across a multi-tier supply chain they do not own.
- [Digital Product Passports for Electronics: What Companies Need to Know](https://tieback.io/docs/knowledge-base/industry-guides/digital-product-passports-for-electronics.md): A practical, legally disciplined guide to Digital Product Passports for electronics: why no electronics passport date exists under Regulation (EU) 2024/1781, how the 2025-2030 working plan treats ICT through two horizontal measures rather than a sector act, what RoHS, WEEE, energy labelling and existing ecodesign rules already require, and how to prepare bill of materials, component, supplier and evidence data before product-specific requirements arrive.
- [Digital Product Passports for Furniture: What Companies Need to Know](https://tieback.io/docs/knowledge-base/industry-guides/digital-product-passports-for-furniture.md): A practical, legally disciplined guide to Digital Product Passports for furniture and mattresses: why no furniture passport date exists under Regulation (EU) 2024/1781, what the 2025-2030 working plan actually commits the Commission to, which obligations already bite today including deforestation due diligence for wood and general product safety traceability, what a furniture passport is likely to have to carry, and how manufacturers, retailers and small workshops should prepare across variant-heavy, made-to-order product ranges.
- [Digital Product Passports for Steel and Aluminium: What Companies Need to Know](https://tieback.io/docs/knowledge-base/industry-guides/digital-product-passports-for-steel-and-aluminium.md): A legally disciplined guide to Digital Product Passports for iron, steel and aluminium: why these two groups sit first on the statutory priority list in Article 18(5) of Regulation (EU) 2024/1781, what it means that they are intermediate products rather than finished goods, why no product-specific passport obligation or data field list yet exists, how the carbon border adjustment mechanism already forces embedded emissions accounting on the same materials, and what producers, service centres, fabricators and buyers should build now.
- [Templates](https://tieback.io/docs/knowledge-base/templates/overview.md): Practical tools that apply the tieback Knowledge estate and TBF frameworks: readiness assessments, worksheets, maps and registers you can use directly.
- [DPP Readiness Assessment](https://tieback.io/docs/dpp-readiness-assessment.md): A vendor neutral ten dimension assessment that scores how prepared an organisation is for Digital Product Passport implementation and shows where the gaps are.
- [Passport Data Origin Worksheet](https://tieback.io/docs/passport-data-origin-worksheet.md): A vendor neutral worksheet that maps every item of passport information to its origin, its authoritative source and the evidence behind it, and shows where the gaps are.
- [Supplier Evidence Register](https://tieback.io/docs/supplier-evidence-register.md): A vendor neutral register for tracking supplier-held information, the evidence expected behind it, its state, its validity and the action required to close the gaps.
- [Examples](https://tieback.io/docs/knowledge-base/examples/overview.md): A section overview of worked examples showing how Digital Product Passport concepts apply to real products and data.
- [From DPP Readiness to Defensible Supplier Evidence: A Worked Manufacturer Example](https://tieback.io/docs/readiness-to-evidence-manufacturer-example.md): A fictional lighting manufacturer works through the DPP Readiness Assessment, the Passport Data Origin Worksheet and the Supplier Evidence Register on one product family, and ends with a defensible evidence position and an owned action list.
- [FAQs](https://tieback.io/docs/knowledge-base/faqs/overview.md): A section overview of direct answers to the Digital Product Passport questions asked most often by manufacturers and compliance teams.
- [tieback Framework Library](https://tieback.io/docs/knowledge-base/frameworks/overview.md): The authoritative registry of original tieback educational frameworks, each with a permanent framework identifier and a link to the canonical article that introduces it.
- [Glossary](https://tieback.io/docs/knowledge-base/glossary/overview.md): The tieback Knowledge glossary: precise, vendor neutral definitions of the legal, supply chain and technical terms used across Digital Product Passport and EU product compliance work.
- [Authorised Representative](https://tieback.io/docs/knowledge-base/glossary/authorised-representative.md): A person established in the Union appointed in writing by a manufacturer to perform specified tasks on behalf of the manufacturer.
- [Authoritative Source](https://tieback.io/docs/knowledge-base/glossary/authoritative-source.md): The source whose value for a given attribute is accepted as correct because it is closest to the process that creates the information and is accountable for maintaining it.
- [Battery Passport](https://tieback.io/docs/knowledge-base/glossary/battery-passport.md): The electronic record required by Article 77 of Regulation (EU) 2023/1542 for LMT batteries, industrial batteries above 2 kWh and electric vehicle batteries placed on the EU market from 18 February 2027.
- [Circular Economy](https://tieback.io/docs/knowledge-base/glossary/circular-economy.md): An economic model that keeps products, components and materials in use at their highest value for as long as possible, reducing waste and demand for primary resources.
- [Conformity Assessment](https://tieback.io/docs/knowledge-base/glossary/conformity-assessment.md): The process of demonstrating that a product meets the applicable legal requirements before it is placed on the market, through defined modules that may involve a notified body.
- [Corrective Action](https://tieback.io/docs/knowledge-base/glossary/corrective-action.md): The action an economic operator must take to bring a non-compliant product into conformity, or otherwise to remove the non-compliance, when required by law or by an authority.
- [Data Architecture](https://tieback.io/docs/knowledge-base/glossary/data-architecture.md): The structural design describing what data an organisation holds, where it originates, how it is modelled, how it moves between systems and how it is governed and consumed.
- [Data Carrier](https://tieback.io/docs/knowledge-base/glossary/data-carrier.md): The physical or digital medium, such as a QR code, data matrix or RFID tag, that carries a product identifier and provides access to a Digital Product Passport.
- [Declaration of Performance and Conformity](https://tieback.io/docs/knowledge-base/glossary/declaration-of-performance-and-conformity.md): The declaration required by Articles 13 to 16 of Regulation (EU) 2024/3110, in which a construction product manufacturer states the product performance in relation to essential characteristics and its conformity with applicable requirements, using the model in Annex V.
- [Delegated Act](https://tieback.io/docs/knowledge-base/glossary/delegated-act.md): A legally binding act adopted by the European Commission under powers granted by a framework regulation, used to set the detailed product specific requirements of the ESPR.
- [Digital Product Passport](https://tieback.io/docs/knowledge-base/glossary/digital-product-passport.md): A structured, machine readable set of product data made accessible through a data carrier on the product, its packaging or its documentation, under EU product legislation.
- [Economic Operator](https://tieback.io/docs/knowledge-base/glossary/economic-operator.md): The legal term for the parties that place products on the EU market or make them available, including manufacturers, authorised representatives, importers, distributors and fulfilment service providers.
- [Entry into Force](https://tieback.io/docs/knowledge-base/glossary/entry-into-force.md): The date on which an EU legal act becomes part of Union law, which is usually not the date its obligations start to apply.
- [EPCIS](https://tieback.io/docs/knowledge-base/glossary/epcis.md): A GS1 standard for sharing supply chain event data: what happened to which object, when, where and in what business context.
- [ESPR](https://tieback.io/docs/knowledge-base/glossary/espr.md): The Ecodesign for Sustainable Products Regulation, Regulation (EU) 2024/1781, the framework law that introduces ecodesign requirements and the Digital Product Passport in the European Union.
- [EU Declaration of Conformity](https://tieback.io/docs/knowledge-base/glossary/eu-declaration-of-conformity.md): The formal document in which the manufacturer states, on its sole responsibility, that a product meets the requirements of the applicable Union legislation.
- [Extended Producer Responsibility](https://tieback.io/docs/knowledge-base/glossary/extended-producer-responsibility.md): A policy mechanism under which producers bear financial or operational responsibility for the treatment of their products once they become waste, implemented in the EU through Directive 2008/98/EC as amended and through national transposition.
- [Golden Record](https://tieback.io/docs/knowledge-base/glossary/golden-record.md): The governed, reconciled representation of a product produced by matching records from several systems and resolving conflicts under defined rules.
- [GS1](https://tieback.io/docs/knowledge-base/glossary/gs1.md): A global not for profit standards organisation that issues unique identification keys and defines barcode, data capture and data exchange standards used across supply chains.
- [GS1 Digital Link](https://tieback.io/docs/knowledge-base/glossary/gs1-digital-link.md): A GS1 standard that expresses identification keys as structured web addresses, so a single scan can resolve to different destinations for different audiences.
- [GTIN](https://tieback.io/docs/knowledge-base/glossary/gtin.md): The Global Trade Item Number: a GS1 identification key that identifies a trade item type, not an individual physical item.
- [Harmonised Standard](https://tieback.io/docs/knowledge-base/glossary/harmonised-standard.md): A European standard adopted following a Commission request in support of Union legislation, whose reference is published in the Official Journal.
- [Harmonised Technical Specification](https://tieback.io/docs/knowledge-base/glossary/harmonised-technical-specification.md): The umbrella term used in Regulation (EU) 2024/3110 for the technical instruments that set essential characteristics, assessment methods and requirements for construction products, comprising harmonised standards drafted under Article 5 and other harmonised technical specifications adopted under Article 6.
- [Market Surveillance](https://tieback.io/docs/knowledge-base/glossary/market-surveillance.md): The activities carried out by national authorities to check that products on the EU market comply with applicable law, and the powers they hold to act when products do not.
- [Market Surveillance Authority](https://tieback.io/docs/knowledge-base/glossary/market-surveillance-authority.md): The national authority designated by a Member State to check that products on its market comply with EU law, and to require corrective action when they do not.
- [Master Data Management](https://tieback.io/docs/knowledge-base/glossary/master-data-management.md): The management discipline that defines, governs and maintains an organisation shared core data, supported where useful by technology, so that key entities are described consistently across systems.
- [Notified Body](https://tieback.io/docs/knowledge-base/glossary/notified-body.md): A conformity assessment body designated by a Member State and notified to the Commission to carry out third-party assessment tasks under specific Union legislation.
- [Presumption of Conformity](https://tieback.io/docs/knowledge-base/glossary/presumption-of-conformity.md): The legal effect by which a product conforming to a cited harmonised standard is presumed to meet the corresponding legal requirements.
- [Product Data](https://tieback.io/docs/knowledge-base/glossary/product-data.md): The structured information that describes a product, its identity, attributes, composition, documentation and compliance evidence, across the systems that hold it.
- [Product Data Governance](https://tieback.io/docs/knowledge-base/glossary/data-governance.md): The framework of decision rights, accountabilities, policies and controls that determines who may define, change and approve product data, and how those decisions are recorded.
- [Product Data Quality](https://tieback.io/docs/knowledge-base/glossary/data-quality.md): The degree to which product data is fit for its intended use, assessed across dimensions such as completeness, accuracy, consistency, timeliness, validity and uniqueness.
- [Product Data Stewardship](https://tieback.io/docs/knowledge-base/glossary/data-stewardship.md): The operational role of maintaining product data to agreed standards day to day, applying governance rules, resolving exceptions and monitoring quality.
- [Product Identifier](https://tieback.io/docs/knowledge-base/glossary/product-identifier.md): A unique code that distinguishes a product model, batch or individual item, and that anchors the identity of a Digital Product Passport over its entire lifetime.
- [Product Lifecycle](https://tieback.io/docs/knowledge-base/glossary/product-lifecycle.md): The sequence of stages a product passes through, from raw material extraction and manufacture to distribution, use, repair and end of life treatment.
- [Product Master Data](https://tieback.io/docs/knowledge-base/glossary/product-master-data.md): The stable, shared core data that identifies and describes a product across the systems that use it, as distinct from transactional or event data about individual movements and orders.
- [Product Traceability](https://tieback.io/docs/knowledge-base/glossary/product-traceability.md): The ability to follow the movement, composition and history of a product or its materials through the stages of production, distribution and use.
- [QR Code](https://tieback.io/docs/knowledge-base/glossary/qr-code.md): A two dimensional matrix barcode standardised as ISO/IEC 18004, widely used as the data carrier that links a physical product to its Digital Product Passport.
- [Recall](https://tieback.io/docs/knowledge-base/glossary/recall.md): A measure aimed at achieving the return of a product that has already been made available to the end user.
- [Resolver](https://tieback.io/docs/knowledge-base/glossary/resolver.md): A service that answers a request for an identifier-bearing address and returns the linked resource appropriate to the requester.
- [Source of Truth](https://tieback.io/docs/knowledge-base/glossary/source-of-truth.md): The agreed answer an organisation uses for a given piece of information, whether that answer comes directly from an authoritative system or from a reconciled record built from several systems.
- [State of Health](https://tieback.io/docs/knowledge-base/glossary/state-of-health.md): A measure of the condition of an individual battery relative to its original condition, required under Article 14 of Regulation (EU) 2023/1542 for certain batteries and reported at individual battery level in the battery passport.
- [Supply Chain Tier](https://tieback.io/docs/knowledge-base/glossary/supply-chain-tier.md): A position in a supply chain measured by distance from the organisation placing a product on the market, where tier 1 is a direct supplier and higher tiers are progressively more remote, used to describe where product passport data originates and where contractual reach ends.
- [Sustainability Data](https://tieback.io/docs/knowledge-base/glossary/sustainability-data.md): Product information describing environmental and social characteristics, such as material composition, recycled content, durability, reparability and carbon footprint.
- [System of Record](https://tieback.io/docs/knowledge-base/glossary/system-of-record.md): The system formally designated as authoritative for a defined data element or business domain, so that its value is the one relied upon when systems disagree.
- [Technical Documentation](https://tieback.io/docs/knowledge-base/glossary/technical-documentation.md): The file an economic operator must compile to demonstrate that a product meets the applicable legal requirements, and must make available to authorities on request.
- [Withdrawal](https://tieback.io/docs/knowledge-base/glossary/withdrawal.md): A measure that prevents a product in the supply chain from being made available on the market, without seeking its return from end users.
- [Working Plan](https://tieback.io/docs/knowledge-base/glossary/working-plan.md): The Commission plan that sets out which product groups are prioritised for ecodesign requirements, and in what order they will be addressed.
- [tieback Academy](https://tieback.io/docs/academy.md): Free, structured learning on Digital Product Passports. Six Foundations modules, about two hours, no prior DPP expertise required, built on the open tieback Knowledge Base.
- [DPP Foundations](https://tieback.io/docs/academy/foundations.md): The free six module tieback Academy path that takes you from no prior knowledge of Digital Product Passports to a defensible first readiness position.
- [Module 1: What a Digital Product Passport Actually Is](https://tieback.io/docs/academy/foundations/module-1.md): The first module of the free tieback Academy DPP Foundations path: the legal definition of a Digital Product Passport, what it is not, the four layers, and how a scan reaches a record.
- [Lesson 1: What a Passport Is in Law](https://tieback.io/docs/academy/foundations/module-1/lesson-1.md): Academy Foundations Module 1 Lesson 1: the legal definition of a Digital Product Passport and the three properties that separate it from ordinary product information.
- [Lesson 2: What a Passport Is Not](https://tieback.io/docs/academy/foundations/module-1/lesson-2.md): Academy Foundations Module 1 Lesson 2: why a QR code, a product web page and a PDF are not Digital Product Passports, and what a carrier-only programme has actually built.
- [Lesson 3: The Four Layers](https://tieback.io/docs/academy/foundations/module-1/lesson-3.md): Academy Foundations Module 1 Lesson 3: TBF-001, the four layers of a Digital Product Passport, who owns each layer, and why programmes that start at the technology layer stall.
- [Lesson 4: From Carrier to Record, and What Is Still Undecided](https://tieback.io/docs/academy/foundations/module-1/lesson-4.md): Academy Foundations Module 1 Lesson 4: how a scan resolves into a passport record, and how to separate what is settled in law from what is still awaiting delegated acts.
- [Module 1 Assessment](https://tieback.io/docs/academy/foundations/module-1/assessment.md): Academy Foundations Module 1 summative assessment: ten scenario-weighted items covering the definition, the boundaries, the four layers and the settled/unsettled split.
- [Module 2: Whether It Applies to You](https://tieback.io/docs/academy/foundations/module-2.md): The second module of the free tieback Academy DPP Foundations path: value chain roles, who carries which legal duty, how to read scope without guessing, and the data you do not hold.
- [Lesson 1: Where You Sit in the Value Chain](https://tieback.io/docs/academy/foundations/module-2/lesson-1.md): Academy Foundations Module 2 Lesson 1: the Digital Product Passport Responsibility Model, the six groups it names, and how to place your own organisation among them.
- [Lesson 2: Who Carries Which Duty](https://tieback.io/docs/academy/foundations/module-2/lesson-2.md): Academy Foundations Module 2 Lesson 2: how legal responsibility for a Digital Product Passport is allocated between manufacturers, importers, distributors and authorised representatives, and why participation is not the same as accountability.
- [Lesson 3: Reading Scope Without Guessing](https://tieback.io/docs/academy/foundations/module-2/lesson-3.md): Academy Foundations Module 2 Lesson 3: the Product Category Rollout Model, how to tell an adopted obligation from a stated priority, and which products are likely to fall into early scope.
- [Lesson 4: The Data You Do Not Hold](https://tieback.io/docs/academy/foundations/module-2/lesson-4.md): Academy Foundations Module 2 Lesson 4: naming the attributes your organisation cannot supply itself and locating the party in the value chain who actually holds them.
- [Module 2 Assessment](https://tieback.io/docs/academy/foundations/module-2/assessment.md): Academy Foundations Module 2 summative assessment: ten scenario-weighted items covering value chain roles, legal duty allocation, reading scope status and locating data you do not hold.
- [Module 3: What a Passport Has to Contain](https://tieback.io/docs/academy/foundations/module-3.md): The third module of the free tieback Academy DPP Foundations path: the categories of passport data, who sees which category, and how to audit what your organisation already holds against what has no owner.
- [Lesson 1: The Categories of Passport Data](https://tieback.io/docs/academy/foundations/module-3/lesson-1.md): Academy Foundations Module 3 Lesson 1: the six categories of Digital Product Passport content under the Product Information Readiness Model, and why treating passport data as one list stalls a programme.
- [Lesson 2: Who Sees What](https://tieback.io/docs/academy/foundations/module-3/lesson-2.md): Academy Foundations Module 3 Lesson 2: why passport data is access controlled by user group, which audiences see which categories, and how to avoid the two failure modes of publishing too much or too little.
- [Lesson 3: What You Already Hold, and What Has No Owner](https://tieback.io/docs/academy/foundations/module-3/lesson-3.md): Academy Foundations Module 3 Lesson 3: the Passport Data Origin Model, how to audit where each passport attribute actually lives, and why an attribute with no named owner is the finding, not a detail.
- [Module 3 Assessment](https://tieback.io/docs/academy/foundations/module-3/assessment.md): Academy Foundations Module 3 summative assessment: ten scenario-weighted items covering the categories of passport data, access by audience, and auditing what your organisation holds against what has no owner.
- [Module 4: How a Passport Works in Practice](https://tieback.io/docs/academy/foundations/module-4.md): The fourth module of the free tieback Academy DPP Foundations path: the scan path from carrier to record, identifiers versus resolvers, why a passport must persist after the sale, and why a published record should not change silently.
- [Lesson 1: The Scan Path End to End](https://tieback.io/docs/academy/foundations/module-4/lesson-1.md): Academy Foundations Module 4 Lesson 1: what actually happens between a scan and a displayed record, and why each hop in that path has an owner.
- [Lesson 2: Identifiers and Resolvers](https://tieback.io/docs/academy/foundations/module-4/lesson-2.md): Academy Foundations Module 4 Lesson 2: why the identifier and the resolver are separate things with separate jobs, and what happens when organisations conflate them.
- [Lesson 3: Life After the Sale](https://tieback.io/docs/academy/foundations/module-4/lesson-3.md): Academy Foundations Module 4 Lesson 3: why a passport has to keep working for years after the sale, who adds to it, and what that means for how it is designed.
- [Lesson 4: Why a Published Record Should Not Change](https://tieback.io/docs/academy/foundations/module-4/lesson-4.md): Academy Foundations Module 4 Lesson 4: what snapshot immutability means in plain terms, and why corrections belong in a new version rather than a silent edit.
- [Module 4 Assessment](https://tieback.io/docs/academy/foundations/module-4/assessment.md): Academy Foundations Module 4 summative assessment: ten scenario-weighted items covering the scan path, identifiers and resolvers, post-sale persistence and snapshot immutability.
- [Module 5: When It Becomes Mandatory, and Why the Detail Is Missing](https://tieback.io/docs/academy/foundations/module-5.md): Academy Foundations Module 5: the ESPR framework and delegated act split, how a delegated act becomes binding, reading working plan timing correctly, and what to do before the field list exists.
- [Lesson 1: Framework Plus Delegated Act](https://tieback.io/docs/academy/foundations/module-5/lesson-1.md): Academy Foundations Module 5 Lesson 1: how ESPR splits into a framework regulation and per-product delegated acts, and why each part fixes a different problem.
- [Lesson 2: How a Delegated Act Becomes an Obligation](https://tieback.io/docs/academy/foundations/module-5/lesson-2.md): Academy Foundations Module 5 Lesson 2: the path a delegated act travels from Commission draft to binding law, and where scrutiny and objection can still change it.
- [Lesson 3: In Force Is Not the Same as Applicable to You](https://tieback.io/docs/academy/foundations/module-5/lesson-3.md): Academy Foundations Module 5 Lesson 3: how to read a working plan timing signal correctly, and why a regulation being in force differs from it applying to your product.
- [Lesson 4: Working Without the Field List](https://tieback.io/docs/academy/foundations/module-5/lesson-4.md): Academy Foundations Module 5 Lesson 4: what work a missing delegated act can invalidate, and what work is safe to do before the field list exists.
- [Module 5 Assessment](https://tieback.io/docs/academy/foundations/module-5/assessment.md): Academy Foundations Module 5 summative assessment: ten scenario-weighted items covering the ESPR framework and delegated act split, the delegated act lifecycle, timing signals, and what to do before the field list exists.
- [Module 6: Capstone: Preparing Your Organisation](https://tieback.io/docs/academy/foundations/module-6.md): The capstone module of the free tieback Academy DPP Foundations path: producing a first readiness position, sequencing the first three actions, and briefing a decision maker in five sentences.
- [Lesson 1: Taking a Readiness Position](https://tieback.io/docs/academy/foundations/module-6/lesson-1.md): Academy Foundations Module 6 Lesson 1: how to state where your organisation actually stands on Digital Product Passport readiness for one product line, and defend the position with evidence rather than optimism.
- [Lesson 2: Sequencing the First Three Actions](https://tieback.io/docs/academy/foundations/module-6/lesson-2.md): Academy Foundations Module 6 Lesson 2: turning a readiness position into three ordered first actions, and what to ask suppliers for and when.
- [Lesson 3: The Five Sentence Brief](https://tieback.io/docs/academy/foundations/module-6/lesson-3.md): Academy Foundations Module 6 Lesson 3: compressing a readiness position and a sequenced plan into a five sentence brief a decision maker can act on.
- [Module 6 Assessment](https://tieback.io/docs/academy/foundations/module-6/assessment.md): Academy Foundations Module 6 summative assessment: ten scenario-weighted items covering readiness positions, sequencing, supplier timing and the five sentence brief.
- [Foundations: Completion](https://tieback.io/docs/academy/foundations/completion.md): The completion page for the free tieback Academy DPP Foundations path: what the six modules covered, what they deliberately left out, and where to go next.
- [Introduction to tieback](https://tieback.io/docs/getting-started/introduction.md): An introduction to tieback, the platform for issuing, governing and serving verifiable Digital Product Passports for physical products at scale.
- [Getting Started with tieback](https://tieback.io/docs/getting-started/getting-started.md): Set up a tieback workspace step by step: create a brand, choose a resolver subdomain, import products, configure passports and prepare for minting.
- [Tia: AI Assistant for Product Compliance and Digital Product Passports](https://tieback.io/docs/getting-started/tia-operations-assistant.md): Meet Tia, the AI compliance assistant built into tieback. Ask in plain English for exact answers from your live product data, find missing Digital Product Passport fields, turn supplier evidence into product data and make changes you confirm.
- [tieback Architecture Overview](https://tieback.io/docs/getting-started/architecture.md): How the tieback platform is structured: tenant isolation, product identity, passport composition, localisation layers and authenticated API access.
- [Enterprise Security & Trust Architecture](https://tieback.io/docs/getting-started/security-architecture.md): The tieback security model: tenant isolation, least-privilege RBAC, append-only event ledgers, privacy by design and read-path threat intelligence.
- [Onboarding Overview](https://tieback.io/docs/onboarding-plans/onboarding-overview.md): How a new brand workspace is created, paid for, activated and configured through the setup wizard, up to minting its first Digital Product Passport.
- [Plans & Subscriptions](https://tieback.io/docs/onboarding-plans/plans-subscriptions.md): How tieback subscriptions work: plan tiers and inclusions, deterministic seat accounting, and managing payment details in the customer portal.
- [Tia Credits: Simple, Usage-Based Pricing for the AI Compliance Assistant](https://tieback.io/docs/onboarding-plans/tia-credits.md): How Tia credits work in tieback: 1 credit for every 1,000 tokens, what a chat answer and an evidence document review typically use, how to buy more credits and what happens when a workspace runs out.
- [Tenancy, Roles & Members](https://tieback.io/docs/tenancy-governance/roles-members.md): How tieback isolates each brand workspace, manages member invitations and roles, and enforces role-based access control across every read and write.
- [Audit Log](https://tieback.io/docs/tenancy-governance/audit-log.md): An append-only record of every governance-relevant action in a tieback workspace, with actor attribution, tenant scoping, and export for compliance.
- [Notifications](https://tieback.io/docs/tenancy-governance/notifications.md): How tieback surfaces operational events to brand members through the in-product feed, email, and the audit log, with per-member preferences.
- [Economic Operators](https://tieback.io/docs/tenancy-governance/economic-operators.md): Manage manufacturers, importers, authorised representatives, distributors, and facilities as governed master data shared across products and passports.
- [Content Studio](https://tieback.io/docs/authoring-studios/content-studio.md): Author what a passport shows in Content Studio: section selection, field choices, alias deduplication, and the sync-on-publish draft tree model.
- [Theme Studio](https://tieback.io/docs/authoring-studios/theme-studio.md): Design how a passport looks in Theme Studio, using a closed set of colour, typography, spacing and layout tokens published as reusable themes.
- [Advanced Studio (Track B)](https://tieback.io/docs/authoring-studios/advanced-studio-track-b.md): Author fully custom passport templates in Advanced Studio, rendered inside a sandboxed iframe under strict content security policy boundaries.
- [Products](https://tieback.io/docs/product-module/products.md): Browse, search, and edit your product catalogue in tieback, with identity fields, DPP attribute sections, mint readiness, and full identifier history.
- [Custom Fields](https://tieback.io/docs/product-module/custom-fields.md): Extend your product data model with brand-specific custom fields that sit alongside the standard DPP schema across products, mints, and passports.
- [Global Search](https://tieback.io/docs/product-module/global-search.md): Find any product, token, batch, or export across your workspace with Spotlight Search, including GS1 Digital Link and resolver URL paste lookup.
- [Product Identifiers in tieback](https://tieback.io/docs/product-module/identifiers.md): How tieback models SKU, GTIN, EAN, and UPC identifiers, including validation, active and retired status, audit history, and resolver interoperability.
- [Product Import](https://tieback.io/docs/product-module/product-import.md): Import products into tieback from CSV, map source columns to fields, validate rows before committing, and review per-row insert, update, and error results.
- [Bulk Editing](https://tieback.io/docs/product-module/bulk-editing.md): Edit attribute values across many products at once from the Product Library, using the column picker, inline cell editing, and bulk apply actions.
- [Bulk Updates](https://tieback.io/docs/product-module/bulk-updates.md): How tieback processes large product updates as background jobs, with queued and processing states, per-item outcomes, retries, and progress tracking.
- [Resolver and GS1 Digital Link](https://tieback.io/docs/product-module/resolver-gs-1-digital-link.md): How tieback resolves GS1 Digital Link identifiers into a Digital Product Passport, so every printed QR code keeps working for the life of the product.
- [GS1 Digital Link Contract](https://tieback.io/docs/product-module/gs-1-digital-link-contract.md): The GS1 Digital Link URL contract used by tieback resolvers, covering supported application identifiers, path order, normalisation and redirect behaviour.
- [Localisations Overview](https://tieback.io/docs/localisations/overview.md): Deliver market-specific, multilingual Digital Product Passport experiences using tieback's localisation framework and 31 ready-made Market Packs.
- [Market Packs](https://tieback.io/docs/localisations/market-packs.md): Pre-configured regional profiles that localise Digital Product Passports with market-specific formatting, language, and content for 31 global markets.
- [Multilingual Content](https://tieback.io/docs/localisations/multilingual-content.md): Author, translate, and manage multilingual Digital Product Passport content across every market with tieback's English-first language tooling.
- [Domain Architecture](https://tieback.io/docs/domains-custom-hostnames/domain-architecture.md): How tieback serves Digital Product Passports from platform subdomains and verified custom hostnames, and how resolver requests are routed at the edge.
- [Resolver Domain Flow](https://tieback.io/docs/domains-custom-hostnames/resolver-domain-flow.md): How tieback resolves Digital Product Passport scan requests across platform subdomains and custom hostnames, from QR scan through redirect to passport.
- [Custom Hostname Setup](https://tieback.io/docs/domains-custom-hostnames/custom-hostname-setup.md): How to connect your own domain to tieback so consumers scan and view Digital Product Passports on your branded hostname, with DNS and activation steps.
- [DNS Setup Guide](https://tieback.io/docs/domains-custom-hostnames/dns-setup-guide.md): How to configure DNS for a tieback custom hostname, including the CNAME record, activation timings, and how to test resolver and passport responses.
- [Resolver and Passport Rendering](https://tieback.io/docs/domains-custom-hostnames/resolver-passport-rendering.md): How tieback scan URLs relate to the rendered Digital Product Passport page, why the two-step redirect exists, and how it stays GS1 Digital Link safe.
- [Custom Hostname Lifecycle](https://tieback.io/docs/domains-custom-hostnames/custom-hostname-lifecycle.md): States and transitions of a tieback custom hostname, from initial request through DNS verification, certificate issuance, live traffic, and removal.
- [Custom Hostname Troubleshooting](https://tieback.io/docs/domains-custom-hostnames/troubleshooting.md): Common issues and fixes when configuring custom hostnames for tieback Digital Product Passports, covering DNS, certificates, and 403 or 404 responses.
- [Passports Overview](https://tieback.io/docs/passports/overview.md): What Digital Product Passports are and how content, templates, themes, and localisations combine in tieback to create branded passport experiences.
- [Passport Operations](https://tieback.io/docs/passports/passport-operations.md): How to view, inspect, and manage issued Digital Product Passports in the tieback operations module, including amendments and lifecycle actions.
- [Lifecycle States](https://tieback.io/docs/passports/lifecycle-states.md): The three lifecycle states of a Digital Product Passport in tieback, how transitions work, and what each state means for public visibility today.
- [Break-Glass Amendments](https://tieback.io/docs/passports/controlled-update-break-glass.md): Correct published Digital Product Passport (DPP) data with break-glass governance: immutable passport snapshots, governed field eligibility, and a complete amendment audit trail.
- [Content & Templates](https://tieback.io/docs/passports/content-templates.md): How brands configure what information appears in their Digital Product Passports using configurable content blocks and the Passport Configurator.
- [Themes & Presentation](https://tieback.io/docs/passports/themes-presentation.md): How the curated tieback theme controls the visual presentation of Digital Product Passports, applying brand colours, logo, and typography.
- [Consumer Experience](https://tieback.io/docs/passports/consumer-experience.md): What consumers see when they scan a product: a branded, mobile-first Digital Product Passport with localised content, guidance, and disclaimers.
- [Publication Lifecycle](https://tieback.io/docs/passports/publication-lifecycle.md): How Digital Product Passports move through lifecycle states in tieback, how versioning works, and how assignments control delivery to consumers.
- [Brand Setup & Readiness](https://tieback.io/docs/passports/brand-setup-readiness.md): What brands must configure before Digital Product Passports can go live, covering identity, colours, resolver domains, and publication readiness.
- [Passport Drafts](https://tieback.io/docs/passports/drafts.md): How draft passports work in tieback: staged, editable content that is not yet bound to the published, immutable snapshot served to consumers.
- [Product Safety and Recall Overview](https://tieback.io/docs/product-safety-and-recall/overview.md): How brands issue product safety notices: targeting affected products and batches, translating for every market, and surfacing recalls on the passport.
- [Notices & Recall Model](https://tieback.io/docs/product-safety-and-recall/notices-recall-model.md): The content model behind product safety notices: the three notice kinds, what a recall must contain, how targeting works, and the publication checks.
- [Recall Consumer Experience](https://tieback.io/docs/product-safety-and-recall/consumer-experience.md): How an active recall reaches the consumer: surfaced on the affected product passport when it is scanned, in the market language, while the recall is live.
- [Passport Intelligence](https://tieback.io/docs/passport-intelligence/passport-intelligence.md): Operational intelligence for Digital Product Passports: scan visibility, trust signals, engagement insights, and investigation timelines in one layer.
- [Intelligence Overview](https://tieback.io/docs/passport-intelligence/intelligence-overview.md): Headline KPIs for Digital Product Passport activity, bringing scan volume, trust posture, and engagement together in a single brand-scoped view.
- [Scan Visibility](https://tieback.io/docs/passport-intelligence/scan-visibility.md): Resolver attempts, valid scans, geography, and product-level scan activity for Digital Product Passports, presented in one brand-scoped workspace.
- [Trust Signals](https://tieback.io/docs/passport-intelligence/trust-signals.md): The composite Trust Score, its signal breakdown, and evidence-led investigation tools for Digital Product Passport scan activity and credibility.
- [Engagement Insights](https://tieback.io/docs/passport-intelligence/engagement-insights.md): Passport views, render success, performance, device mix, and CTA or link engagement, so teams can see how consumers actually use each passport.
- [Investigation Timelines](https://tieback.io/docs/passport-intelligence/investigation-timelines.md): A multi-source historical view across lifecycle, scan, trust, and governance events for any product, passport, batch, or lot, held against one identity.
- [Data & Privacy](https://tieback.io/docs/passport-intelligence/data-privacy.md): How Passport Intelligence handles visitor data, retention, and brand-scoped access, with role-aware controls and a conservative personal data posture.
- [Roadmap](https://tieback.io/docs/passport-intelligence/roadmap.md): Upcoming Passport Intelligence capabilities, covering geolocation confidence, section engagement, and action outcomes, and how they are communicated.
- [Minting Overview](https://tieback.io/docs/minting/overview.md): Issue verifiable Digital Product Passports at scale, with serial or lot identity, brand controlled activation and export ready resolver URLs.
- [Minting Lifecycle](https://tieback.io/docs/minting/lifecycle.md): Follow a mint request from submission through to completion, covering job states, batch states, processing cycles, retries and idempotent resubmission.
- [Minting Architecture](https://tieback.io/docs/minting/architecture.md): How tieback issues Digital Product Passports at scale, separating an authenticated control plane from asynchronous background token generation.
- [Limits & Performance](https://tieback.io/docs/minting/limits-performance.md): Platform ceilings, throughput benchmarks and scaling characteristics for minting, including over-mint protection and identity uniqueness guarantees.
- [Token Preview](https://tieback.io/docs/minting/token-preview.md): Inspect an individual minted token from the Minting Dashboard, including its GS1 Digital Link path breakdown, activation status and scannable QR code.
- [Exports & Print Jobs](https://tieback.io/docs/minting/exports-print-jobs.md): Generate and download CSV manifests, QR and encoding manifests, and QR bundles for minted tokens, including job states and file retention rules.
- [Carrier Output Profiles](https://tieback.io/docs/minting/carrier-output-profiles.md): Vendor-compatible export presets that format CSV manifest headers, delimiters, and filenames for label printing, NFC encoding, and RFID software.
- [Bring-Your-Own Serials](https://tieback.io/docs/minting/bring-your-own-serials.md): Mint passports against serial numbers issued outside tieback, covering when to use them, validation rules, uniqueness checks and submission limits.
- [Minting Security](https://tieback.io/docs/minting/security.md): The security model behind minting: authenticated control plane, role based access, isolated scan resolution and privately stored export artefacts.
- [Minting FAQ](https://tieback.io/docs/minting/faq.md): Answers to common minting questions: request ceilings, background processing, retries, idempotent resubmission, and localised passport content.
- [API Credentials Guide](https://tieback.io/docs/api-reference/api-credentials-guide.md): A practical guide to creating, rotating and using API credentials for machine-to-machine access, with request signing and troubleshooting steps.
- [API: Credentials](https://tieback.io/docs/api-reference/api-credentials.md): Manage API keys for machine-to-machine access, covering key creation, scopes, rotation, revocation and the permissions each credential carries.
- [API: Products](https://tieback.io/docs/api-reference/api-products.md): Create, read and update products programmatically, covering single and batch patches, schema validation, error semantics and identifier restrictions.
- [API: Identifiers](https://tieback.io/docs/api-reference/api-identifiers.md): Read and write product identifiers programmatically, covering GTIN, EAN, UPC and SKU assignment, retirement history and idempotent write behaviour.
- [API: Import](https://tieback.io/docs/api-reference/api-import.md): Import product data programmatically through the four-stage pipeline: create a job, stage rows and mappings, validate, and commit.
- [API: Batches](https://tieback.io/docs/api-reference/api-batches.md): Manage production batches programmatically, covering creation, status transitions, quantity rules and how batches link to minting requests and units.
- [API: Attachments](https://tieback.io/docs/api-reference/api-attachments.md): Manage file attachments on products programmatically, covering upload, listing, metadata updates, removal and access rules for each attachment.
- [API: Bulk Updates](https://tieback.io/docs/api-reference/api-bulk-updates.md): Run asynchronous background jobs for large-scale product attribute updates, covering job submission, progress polling, results and failure handling.
- [API: Minting](https://tieback.io/docs/api-reference/api-minting.md): Submit minting requests and manage Digital Product Passport issuance, covering batch lifecycle, unit generation, activation mode and export tracking.
- [API: Resolver](https://tieback.io/docs/api-reference/api-resolver.md): Public resolver API reference for GS1 Digital Link scans, mapping a product identifier to its Digital Product Passport destination without authentication.
- [API: Search](https://tieback.io/docs/api-reference/api-search.md): Query Global Search programmatically to find products, tokens, batches, passports and exports across your workspace, with brand-scoped results.

## API Docs

- OpenAPI > Catalogue [List industries](https://tieback.io/docs/api-reference/open-api/catalogue/list-industries.md)
- OpenAPI > Products [List products](https://tieback.io/docs/api-reference/open-api/products/list-products.md)
- OpenAPI > Products [Create product](https://tieback.io/docs/api-reference/open-api/products/create-product.md)
- OpenAPI > Imports [Start product CSV import](https://tieback.io/docs/api-reference/open-api/imports/start-product-import.md)
- OpenAPI > Minting [Create mint job](https://tieback.io/docs/api-reference/open-api/minting/create-mint-job.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://tieback.io/docs/openapi.json)
- [OpenAPI YAML](https://tieback.io/docs/openapi.yaml)