generated: '2026-07-21' method: derived source: openapi/tessian-openapi-original.json standards: - id: openapi-3.0 conforms: true evidence: Published OpenAPI 3.0.0 document at assets.tessian.com/docs/openapi.json - id: rest-json conforms: true evidence: RESTful endpoints returning application/json - id: iso8601-timestamps conforms: true evidence: All timestamps documented as ISO 8601 UTC zero-offset - id: cursor-pagination conforms: true evidence: Checkpoint-based pagination (after_checkpoint / checkpoint / has_more) - id: ietf-ratelimit-headers-draft conforms: true evidence: Docs reference draft-ietf-httpapi-ratelimit-headers and 429 responses - id: oauth2 conforms: false evidence: No oauth2 security scheme; static API-Token header auth only - id: openidconnect conforms: false - id: rfc9457-problem-details conforms: false evidence: Errors use plain HTTP status + description, not application/problem+json - id: fhir-r4 conforms: false - id: scim2 conforms: false - id: json-api conforms: false