OpenRouter Keys API

openapi: 3.1.0
info:
  title: OpenRouter Chat Keys 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: Keys
  description: Provisioning and management of API keys.
paths:
  /keys:
    get:
      operationId: listKeys
      summary: List API keys
      description: Lists all API keys provisioned under the calling provisioning key.
      tags:
      - Keys
      responses:
        '200':
          description: List of keys.
    post:
      operationId: createKey
      summary: Create API key
      description: Creates a new API key, optionally with a credit limit.
      tags:
      - Keys
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  type: string
                limit:
                  type: number
      responses:
        '200':
          description: New API key.
  /keys/{hash}:
    get:
      operationId: getKey
      summary: Get API key
      tags:
      - Keys
      parameters:
      - name: hash
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: API key details.
    delete:
      operationId: deleteKey
      summary: Delete API key
      tags:
      - Keys
      parameters:
      - name: hash
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Key deleted.
    patch:
      operationId: updateKey
      summary: Update API key
      tags:
      - Keys
      parameters:
      - name: hash
        in: path
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
      responses:
        '200':
          description: Updated API key.
components:
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: OPENROUTER_API_KEY
externalDocs:
  description: OpenRouter API Reference
  url: https://openrouter.ai/docs/api/reference/overview