Changelog
Reverse-chronological log of API versions and docs updates.
2026-05-11 — Arrakis
Initial public release of the Circa API.
- REST endpoints, grouped:
- Basic —
/me,/teams. - Materials —
/materials,/materials/:id,/materials/:id/properties/:propertyId,/materials/:id/properties/pull. - Processes —
/processes,/processes/:id,/processes/:id/impacts/:impactId,/processes/:id/pull(batch size),/processes/:id/impacts/pull(per characterization method). - Impact methods —
/impact-methods.
?pulled=trueon either list endpoint. - Basic —
- GraphQL endpoint at
/graphqlwith full feature parity. - API key authentication via
x-api-key. Keys come in live (circa_live_…, hashed, shown once) and test (circa_test_…, revealable) variants. - Required team scoping via
x-team-id— copy the id from Team Settings → General. - Version pinning via
Circa-Version. - Per-key rate limits at 300 requests / minute.
- Live request logs (with team id and API-key prefix on every row), usage charts, and a real-time event stream in the authenticated developer portal.