POST /v1/messages

Send messages-style requests to this endpoint. All fields from the Anthropic Messages API are accepted.

POST https://api.cheapai.cc/v1/messages

Request Body

The request body follows the Anthropic Messages API format. Required fields:

• model — Model ID (e.g. claude-sonnet-4-5)
• max_tokens — Maximum tokens to generate
• messages — Array of message objects with role and content

Example Request

{
  "model": "claude-sonnet-4-5",
  "max_tokens": 1024,
  "messages": [
    { "role": "user", "content": "Hello, how are you?" }
  ]
}

Required Headers

• x-api-key — Your API key
• anthropic-version — 2023-06-01
• content-type — application/json

Response

Returns a standard Anthropic message response with content, model, usage (input/output tokens), and stop_reason.