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GS1 Verifiable Credential JSON Schemas

This directory contains JSON Schema definitions for GS1 Verifiable Credentials.

Schema Types

License and Key Credentials (Strict Validation)

  • gs1-prefix-schema.json - GS1 Prefix License issued by GS1 Global Office
  • gs1-company-prefix-schema.json - GS1 Company Prefix License issued by GS1 Member Organizations
  • gs1-key-schema.json - Key Credential for GS1 identified entities
  • gs1-product-key-schema.json - Product Key Credential

These schemas use strict const validation to enforce exact credential types.

Data Credentials (Flexible Validation)

  • gs1-organization-data-schema.json - Organization Data Credential
  • gs1-product-data-schema.json - Product Data Credential

These schemas use flexible validation with required contains constraints, allowing for credential type extensions while ensuring core types are always present. This allows to potentially extend data holding credentials while licenses and keys must strictly follow the data model.

Validation Approach

All schemas comply with JSON Schema Draft 2020-12 and enforce W3C Verifiable Credentials v2 standards.