How AI is applied across API Evangelist and APIs.io. Read my AI disclosure →
API Evangelist API Evangelist
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC

Mistral AI Chat Completions API

Endpoints for generating chat completions using Mistral language models in a conversational format.

Mistral AI Chat Completions API is one of 18 APIs that Mistral AI publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Chat Completions. The published artifact set on APIs.io includes an OpenAPI specification.

This API exposes 1 operation across 1 path, and defines 9 schemas. It is described by OpenAPI 3.2.0, at version 1.0.0.

Requests are made against a single base URL, https://api.mistral.ai/v1.

1 operations 1 paths 9 schemas 1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
1.0.0
Base URL
https://api.mistral.ai/v1
Authentication
HTTP Bearer
Terms of Service
Resource Areas
1

Authentication & Security 1

Mistral AI Chat Completions API declares 1 security scheme for authenticating requests. It accepts HTTP bearer tokens (API Key) (bearerAuth). By default, every request must be authenticated.

Paths & Operations 1

Across 1 path, the API surfaces 1 operation — 1 POST. Each is listed below with its method, path, parameters, and response codes.

Chat Completions 1

Endpoints for generating chat completions using Mistral language models in a conversational format.

POST
/chat/completions
Create chat completion
createChatCompletion body → 200400401429

Schemas 9

The contract defines 9 schemas that model the data the API accepts and returns. The most detailed are ChatCompletionRequest (14 properties), ChatCompletionResponse (6 properties), ChatMessage (4 properties), ChatCompletionChoice (3 properties). Each schema is shown below with its type and property counts.

Error
object
3 properties
ChatCompletionResponse
object
6 properties
Usage
object
3 properties
Tool
object
2 properties 2 required
ToolCall
object
3 properties
FunctionDefinition
object
3 properties 1 required
ChatMessage
object
4 properties 2 required
ChatCompletionChoice
object
3 properties
ChatCompletionRequest
object
14 properties 2 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

mistral-chat-completions-api-openapi.yml Raw ↑

Other APIs Mistral AI publishes across the network.

Mistral AI Agents API
Mistral AI Audio API
Mistral AI Batch Jobs API
Mistral AI Chat API
Mistral AI Embeddings API
Mistral AI Files API
Mistral AI FIM API
Mistral AI Fine-Tuning Jobs API
Mistral AI Models API
Mistral AI Moderation API
Mistral AI OCR API
Mistral AI Training Jobs API
Where this information came from

This is an independent, third-party profile of Mistral AI Chat Completions API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

info@apievangelist.com · Read the full data-sourcing policy →
On a security or compliance team? Put security in the subject line and you will get a person, not a form — we will tell you exactly which public URLs this profile was built from.