Create async chat completion

Queue a single non-streaming chat completion. Returns a job (chatjob_…) immediately. Poll Retrieve async chat job.

See Async Chat for the full workflow. Body fields match Create chat completion except stream must be false.

callback_url is not accepted. Poll Retrieve async chat job. For HTTPS callbacks on many lines, use Create batch callback_url — see Webhook.

Authentication

Authorization Bearer

modelstringrequired

Public model name (same as sync chat).

messagesarrayrequired

OpenAI-style chat messages.

messages.rolestringrequired

Message role, such as system, user, assistant, or tool.

messages.contentstring | object[]required

Message content. Multimodal models may accept structured content parts.

messages.namestring

Optional participant name.

messages.tool_call_idstring

Tool call ID for tool messages.

max_tokensinteger

Optional generation cap.

streamboolean

Must be false or omitted. true → 400 invalid_request.

idstring

Job ID (chatjob_ prefix).

objectstring

chat.completion.job

statusstring

queued, then in_progress / completed / failed / cancelled / expired.

modelstring

Public model name.

request_idstring

Use with GET /v1/billing/{request_id}.

qosstring

Typically completion.

created_atinteger

Unix timestamp.

expires_atinteger

Estimated expiry. Display estimate; not a hard kill for in-flight work.