DPP Data

Read Digital Product Passport data for products. DPP data is organised into 15 categories covering sustainability, supply chain, materials, and compliance.

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Get Full DPP

GET /v1/products/{id}/dpp

Returns the complete DPP for a product as a W3C Verifiable Credential in JSON-LD format. This is the canonical DPP document containing all 15 categories.

Request:

curl https://api.acme.trackvision.ai/v1/products/a1b2c3d4-.../dpp \
  -H "Authorization: Bearer $TV_API_KEY"

Response:

{
  "@context": [
    "https://www.w3.org/ns/credentials/v2",
    "https://ref.gs1.org/voc/",
    "https://untp.unece.org/contexts/v1"
  ],
  "type": ["VerifiableCredential", "gs1:DigitalProductPassport"],
  "id": "urn:uuid:a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "issuer": "did:web:acme.trackvision.ai",
  "issuanceDate": "2024-01-15T10:00:00Z",
  "credentialSubject": {
    "id": "https://resolver.acme.trackvision.ai/01/09506000134352",
    "composition": { ... },
    "supplyChain": { ... },
    "environmental": { ... }
  },
  "proof": {
    "type": "DataIntegrityProof",
    "cryptosuite": "eddsa-jcs-2022",
    "verificationMethod": "did:web:acme.trackvision.ai#key-1",
    "proofValue": "z..."
  }
}

See JSON-LD Format for the full structure.

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Get DPP Category

GET /v1/products/{id}/dpp/{category}

Returns a single DPP category for a product.

Request:

curl https://api.acme.trackvision.ai/v1/products/a1b2c3d4-.../dpp/composition \
  -H "Authorization: Bearer $TV_API_KEY"

---

DPP Categories

Category	Description
composition	Materials and fibres used in the product
supply-chain	Tier-by-tier supply chain map
transport	Logistics legs and carbon from transport
documentation	Regulatory and compliance documents
environmental	Carbon footprint, water use, energy consumption
social	Labour conditions and social compliance
animal-welfare	Animal welfare certifications and standards
circularity	Recyclability, repairability, end-of-life info
health	Substances of concern, chemical restrictions
brand-info	Brand CSR commitments and company info
identifiers	GS1 and other product identifiers
commercial	Manufacturing country, year of production
technical-performance	Durability, performance test results
cost-scale	Production volume and cost band
after-sales	Repair events, warranty, service history

See Categories Reference for the full field reference for each category.

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Supplier Data Endpoints

In addition to the full DPP, you can access specific supplier-provided datasets:

Materials

GET /v1/products/{id}/materials

Returns materials and composition data submitted by suppliers.

Carbon Footprint

GET /v1/products/{id}/carbon-footprint

Returns carbon footprint data across Scope 1, 2, and 3 emissions.

Facilities

GET /v1/products/{id}/facilities

Returns manufacturing facility information submitted by suppliers.

Technical Tests

GET /v1/products/{id}/technical-tests

Returns technical performance test results and certifications.

Supplier Certifications

GET /v1/suppliers/{id}/certifications

Returns all certifications held by a supplier (e.g., GOTS, Fair Trade, ISO 9001).

Supplier Compliance

GET /v1/suppliers/{id}/compliance

Returns compliance documents and declarations submitted by a supplier.