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Cerebras Chat API

OpenAI-compatible chat completions.

Cerebras Chat API is one of 4 APIs that Cerebras publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

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

This API exposes 1 operation across 1 path, and defines 6 schemas. It is described by OpenAPI 3.1.0, at version 1.0.0.

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

1 operations 1 paths 6 schemas 1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
1.0.0
Base URL
https://api.cerebras.ai/v1
Authentication
HTTP Bearer
Resource Areas
1

Authentication & Security 1

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

  • bearerAuth — Provision a CEREBRASAPIKEY at https://cloud.cerebras.ai

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 1

OpenAI-compatible chat completions.

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

Schemas 6

The contract defines 6 schemas that model the data the API accepts and returns. The most detailed are ChatCompletionRequest (18 properties), ChatCompletionResponse (8 properties), ChatMessage (5 properties), TimeInfo (4 properties). Each schema is shown below with its type and property counts.

ChatMessage
object
5 properties 1 required
TimeInfo
object
4 properties
ChatCompletionResponse
object
8 properties
Error
object
1 property
Usage
object
3 properties
ChatCompletionRequest
object
18 properties 2 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

cerebras-chat-api-openapi.yml Raw ↑

Other APIs Cerebras publishes across the network.

Cerebras Inference API
Cerebras Completions API
Cerebras Models API