Create Function Calling (Stream) [Native Format]

Given a prompt, the model will return one or more predicted completions, and can also return the probabilities of alternative tokens at each position. Create a completion for the provided prompt and parameters Official Documentation: https://docs.anthropic.com/en/docs/agents-and-tools/tool-use/overview#how-tool-use-works

Endpoint

POST http://v98store.com/v1/messages

cURL Command

curl -X POST 'http://v98store.com/v1/messages' \ -H 'Content-Type: application/json' \ -H 'Authorization: Bearer YOUR_TOKEN' \ -d '{ "model": "claude-sonnet-4-20250514", "max_tokens": 1024, "tools": [ { "name": "get_weather", "description": "Get the current weather in a given location", "input_schema": { "type": "object", "properties": { "location": { "type": "string", "description": "The city and state, e.g. San Francisco, CA" } }, "required": [ "location" ] } } ], "messages": [ { "role": "user", "content": "What is the weather like in San Francisco?" } ] }'

Parameters

Request Body

Example

{
  "model": "claude-sonnet-4-20250514",
  "max_tokens": 1024,
  "tools": [
    {
      "name": "get_weather",
      "description": "Get the current weather in a given location",
      "input_schema": {
        "type": "object",
        "properties": {
          "location": {
            "type": "string",
            "description": "The city and state, e.g. San Francisco, CA"
          }
        },
        "required": [
          "location"
        ]
      }
    }
  ],
  "messages": [
    {
      "role": "user",
      "content": "What is the weather like in San Francisco?"
    }
  ]
}

Responses

200 -

Example

{
  "id": "chatcmpl-123",
  "object": "chat.completion",
  "created": 1677652288,
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "\n\nHello there, how may I assist you today?"
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 9,
    "completion_tokens": 12,
    "total_tokens": 21
  }
}