overlay: 1.0.0 info: title: API Evangelist enhancements for Platform API version: 1.0.0 extends: openapi/synthflow-default-api-openapi.yml x-provenance: generated: '2026-08-13' method: generated source: >- Generated from openapi/synthflow-default-api-openapi.yml plus the artifacts harvested in this repo. Captures API Evangelist annotations only; the harvested OpenAPI is never mutated. actions: - target: $.info update: x-apievangelist-provider: synthflow x-apievangelist-api-key: default-api x-apievangelist-operation-count: 76 x-apievangelist-upstream-spec: https://docs.synthflow.ai/openapi.json x-apievangelist-api-catalog: https://docs.synthflow.ai/.well-known/api-catalog contact: name: Synthflow Support email: support@synthflow.ai url: https://docs.synthflow.ai termsOfService: https://docs.synthflow.ai/docs/terms-conditions - target: $.info update: x-apievangelist-artifacts: authentication: authentication/synthflow-authentication.yml conventions: conventions/synthflow-conventions.yml errors: errors/synthflow-problem-types.yml lifecycle: lifecycle/synthflow-lifecycle.yml rate_limits: rate-limits/synthflow-rate-limits.yml webhooks: asyncapi/synthflow-webhooks.yml data_model: data-model/synthflow-data-model.yml mcp: mcp/synthflow-mcp.yml tool_crosswalk: mcp/synthflow-tool-crosswalk.yml skills: skills/_index.yml sandbox: sandbox/synthflow-sandbox.yml - target: $.servers update: - url: https://api.synthflow.ai/v2 description: Global - url: https://api.us.synthflow.ai/v2 description: United States - url: https://api.eu.synthflow.ai/v2 description: European Union - target: $ update: x-apievangelist-runtime-notes: idempotency: >- Not supported. No Idempotency-Key header exists on any operation; retrying voice-call after a timeout can place a duplicate billable call. rate_limit_headers: >- None published. Exhaustion of CAPS or concurrency may return 429 or may queue, depending on account setup; 429 is declared on no operation. error_format: >- Not RFC 9457. Two envelopes are observable across the estate: {"detail": "..."} on the regional hosts and {"error": "...", "message": "..."} on the global gateway. pagination: >- Mixed. Some operations use limit/offset, others use page_number/page_size. region_binding: >- The workspace region determines which host answers; api.us and api.eu are not interchangeable with api.synthflow.ai for a given workspace.