OpenRouter

OpenRouter Models API

Discover available models and their endpoints.

GitHub OpenAPI

Operations 2

GET /models List available models #
GET /models/{author}/{slug}/endpoints List endpoints for a model #

Documentation

📖
Documentation
https://openrouter.ai/
📖
Documentation
https://openrouter.ai/docs/api/reference/overview
📖
Documentation
https://openrouter.ai/docs/api/reference/parameters
📖
Documentation
https://openrouter.ai/docs/api/reference/streaming
📖
Documentation
https://openrouter.ai/docs/api/api-reference/models/get-models
📖
Documentation
https://openrouter.ai/docs/guides/overview/models
📖
Documentation
https://openrouter.ai/docs/guides/overview/auth/provisioning-api-keys
📖
Documentation
https://openrouter.ai/docs/guides/overview/auth/management-api-keys

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/openrouter/refs/heads/main/openapi/openrouter-models-api-openapi.yml

Schemas & Data

📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/openrouter/refs/heads/main/json-schema/openrouter-chat-message-schema.json

Other Resources

🔗
JSONLDContext
https://raw.githubusercontent.com/api-evangelist/openrouter/refs/heads/main/json-ld/openrouter-context.jsonld

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API 
curl "https://apis.io/api/v1/apis/openrouter-models-api"
All apis 
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openrouter-models-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: OpenRouter Chat Models API
  description: OpenRouter provides unified access to hundreds of AI models through a single API endpoint. It implements the OpenAI API specification for chat completions, allowing developers to use any model with the same request and response format. The API also exposes model discovery, generation statistics, credits and balance information, and provisioning endpoints for programmatic key management.
  version: '1.0'
  contact:
    name: OpenRouter
    url: https://openrouter.ai/
  license:
    name: Proprietary
    url: https://openrouter.ai/terms
servers:
- url: https://openrouter.ai/api/v1
  description: OpenRouter production API
security:
- BearerAuth: []
tags:
- name: Models
  description: Discover available models and their endpoints.
paths:
  /models:
    get:
      operationId: listModels
      summary: List available models
      description: Returns the full list of models available through OpenRouter.
      tags:
      - Models
      responses:
        '200':
          description: List of models with metadata, pricing, and capabilities.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ModelList'
  /models/{author}/{slug}/endpoints:
    get:
      operationId: listModelEndpoints
      summary: List endpoints for a model
      description: Returns all provider endpoints serving the specified model with per-endpoint pricing, context length, and capabilities.
      tags:
      - Models
      parameters:
      - name: author
        in: path
        required: true
        schema:
          type: string
      - name: slug
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: List of endpoints for the model.
          content:
            application/json:
              schema:
                type: object
components:
  schemas:
    ModelList:
      type: object
      properties:
        data:
          type: array
          items:
            type: object
            properties:
              id:
                type: string
              name:
                type: string
              description:
                type: string
              context_length:
                type: integer
              pricing:
                type: object
                properties:
                  prompt:
                    type: string
                  completion:
                    type: string
              top_provider:
                type: object
              architecture:
                type: object
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: OPENROUTER_API_KEY
externalDocs:
  description: OpenRouter API Reference
  url: https://openrouter.ai/docs/api/reference/overview