Manage chat Completion V1 Chat Completions Post.

Contract-preserving POST Endpoint for chat Completion V1 Chat Completions Post in the Mistral AI API. Model and resource-specific values are supplied by the caller at runtime.

All 238 ApiKey-authenticated Mistral AI Platform REST endpoints from a fixed Apache-2.0-licensed official revision, including typed SSE streaming and Workflows. Hub provides documentation and an independent SDK/CLI, but never proxies model, account, or usage data; callers connect directly with local API keys.

Request

operationId: chatCompletionV1ChatCompletionsPost
Server: https://api.mistral.ai
Authentication: ApiKey

Request parameters

No URL, query, or header parameters.

Request body

ChatCompletionRequestrequired

Content-Type: application/json

Properties: frequency_penaltyguardrailsmax_tokensmessagesmetadatamodelnparallel_tool_callspredictionpresence_penaltyprompt_cache_keyprompt_moderandom_seedreasoning_effortresponse_formatsafe_promptservice_tierstopstreamtemperaturetool_choicetoolstop_p

Responses

`200`

ChatCompletionResponseapplication/jsontext/event-stream

Successful supplier response.

`422`

HTTPValidationErrorapplication/json

Supplier response with HTTP status 422.

Properties: detail

Stream events

Unknown events: Preserved as raw payloads for forward compatibility.

`message`

Data format: Textunknown