HAI Gateway Docs

Anthropic

Anthropic Messages

Send a structured list of input messages and receive a model-generated response.

POSTv1/messages

Authorizations

X-Api-Keystringheaderrequired

Use the following format for authentication: sk-pat-YourAccessToken

anthropic-versionstringheaderrequired

API version, currently 2023-06-01

The key value is your HAI Gateway Personal Access Token (starting with sk-pat-). No separate API key from Anthropic is required.

Base URL

https://api.hai.network/anthropic

Body Parameters

The request body format is fully compatible with the official Anthropic Messages API. For detailed parameter descriptions, refer to the Anthropic official documentation.

cURL
cURL:Default
curl https://api.hai.network/anthropic/v1/messages \
  -H "Content-Type: application/json" \
  -H "anthropic-version: 2023-06-01" \
  -H "X-Api-Key: sk-pat-YourAccessToken" \
  -d '{
    "model": "claude-opus-4-6",
    "max_tokens": 1024,
    "messages": [
      {
        "role": "user",
        "content": "Hello, world"
      }
    ]
  }'
200
200:Default
{
  "id": "msg_01XFDUDYJgAACzvnptvVoYEL",
  "type": "message",
  "role": "assistant",
  "content": [
    {
      "type": "text",
      "text": "Hello! How can I help you today?"
    }
  ],
  "model": "claude-opus-4-6",
  "stop_reason": "end_turn",
  "stop_sequence": null,
  "usage": {
    "input_tokens": 12,
    "output_tokens": 10
  }
}