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Nous Research Chat API

OpenAI-compatible chat completions.

Nous Research Chat API is one of 2 APIs that Nous Research 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 5 schemas. It is described by OpenAPI 3.1.0, at version v1.

Requests are made against a single base URL, https://inference-api.nousresearch.com/v1.

1 operations 1 paths 5 schemas 1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
v1
Base URL
https://inference-api.nousresearch.com/v1
Authentication
HTTP Bearer
Resource Areas
1

Authentication & Security 1

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

  • bearerAuth — Nous Portal API key supplied as: Authorization: Bearer

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 → 200400401402429

Schemas 5

The contract defines 5 schemas that model the data the API accepts and returns. The most detailed are ChatCompletionRequest (7 properties), ChatCompletion (6 properties), X402PaymentRequired (3 properties), ChatMessage (2 properties). Each schema is shown below with its type and property counts.

X402PaymentRequired
object
x402 payment envelope returned with HTTP 402.
3 properties
Error
object
1 property
ChatCompletionRequest
object
7 properties 2 required
ChatCompletion
object
6 properties
ChatMessage
object
2 properties 2 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

nous-research-chat-api-openapi.yml Raw ↑

Other APIs Nous Research publishes across the network.

Nous Research Models API