API Reference
Base URL
https://registry.siros.org/api/v1
GET /schemas
Returns all registered attestation schemas as unsigned JSON (or JWS compact serialization when signing is enabled).
curl https://registry.siros.org/api/v1/schemas.jsonThe response contains a data array of SchemaMeta objects,
plus total, limit, and offset fields.
GET /schemas/{schemaId}
Returns a single SchemaMeta object by UUID.
curl https://registry.siros.org/api/v1/schemas/{uuid}.jsonGET /attributes
Returns the Catalogue of Attributes — a cross-cutting index of all claims defined across registered credentials (per TS11 §4.2).
curl https://registry.siros.org/api/v1/attributes.jsonThe response contains a data array of Attribute objects,
plus total, limit, and offset fields.
Supports query parameters:
| Parameter | Description |
|---|---|
limit | Maximum number of results (default: all) |
offset | Number of results to skip (default: 0) |
nameSpace | Filter by namespace URI |
identifier | Filter by attribute identifier (substring match) |
GET /attributes/{attrId}
Returns a single Attribute object by identifier.
curl https://registry.siros.org/api/v1/attributes/{identifier}.jsonSee the Catalogue of Attributes page for a browsable view.
Signature Verification
When signing is enabled, responses are also available as .jwt files
(JWS compact serialization). Public keys are published as a JWKS at
https://registry.siros.org/api/v1/.well-known/jwks.json.
OpenAPI Specification
Download OpenAPI 3.1 specification
Statistics
12 registered credential(s). Last built: 2026-06-10T18:54:36Z.