OpenResponses API
Other
OpenResponses
OpenResponses-compatible endpoint with multi-provider support and opper: extension items.
POST
OpenResponses API
Authorizations
API key authentication. Pass your API key as a Bearer token.
Headers
Function name for tracing and project-level guardrail function-scope filtering.
Parent span ID for distributed tracing context.
Body
application/json
Opt in to automatic prompt caching for Anthropic-family models: {"type":"ephemeral"} (optionally "ttl":"1h"). Places one moving cache breakpoint on the largest cacheable prefix. Caching is off unless set; no-op on providers with automatic server-side caching (OpenAI
Any value
Response
Successful response
Any value
Any value