AI Model List API – OpenAI GET /v1/models Format

Retrieve the list of currently available models. The response format is automatically determined by the request headers:

Returns Anthropic format when x-api-key and anthropic-version headers are present
Returns Gemini format when x-goog-api-key header or key query parameter is present
Returns OpenAI format otherwise

Base URL

BearerAuth: http (bearer) Authenticate using a Bearer Token. Format: Authorization: Bearer sk-xxxxxx

Native OpenAI Format

Retrieve the list of currently available models.

The response format is automatically determined by the request headers:

Returns Anthropic format when x-api-key and anthropic-version headers are present
Returns Gemini format when x-goog-api-key header or key query parameter is present
Returns OpenAI format otherwise

Name	In	Type	Required	Description
`key`	query	string	No	Google API Key (for Gemini format)
`x-api-key`	header	string	No	Anthropic API Key (for Claude format)
`anthropic-version`	header	string	No	Anthropic API version
`x-goog-api-key`	header	string	No	Google API Key (for Gemini format)

200: Successfully retrieved model list

Content-Type: application/json

401: Authentication failed

Content-Type: application/json

curl -X GET "https://api.autorouter.top/v1/models"

{
  "object": "list",
  "data": [
    {
      "id": "gpt-4",
      "object": "model",
      "created": 0,
      "owned_by": "openai"
    }
  ]
}