Claude message

POST

https://ai.tikhub.io/v1/messages

Claude

Creates a message using Claude models via native Anthropic Messages API format. This endpoint follows the official Anthropic API specification.

How To Use

Simply specify the model name in your request payload. All other parameters remain the same across different models.

Authentication

Use x-api-key header instead of Bearer token.

Supported Models

claude-haiku-4-5-20251001

claude-opus-4-5-20251101

claude-sonnet-4-5-20250929

Request

Authorization

API Key

Add parameter in header

x-api-key

Example:

x-api-key: ********************

Header Params

Body Params application/jsonRequired

Examples

Basic messageWith system promptMulti-turn conversation

{
    "model": "claude-sonnet-4-5-20250929",
    "max_tokens": 1024,
    "messages": [
        {
            "role": "user",
            "content": "Hello, Claude"
        }
    ]
}

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

cURL

Basic messageWith system promptMulti-turn conversation

curl --location --request POST 'https://ai.tikhub.io/v1/messages' \
--header 'anthropic-version;' \
--header 'x-api-key: <api-key>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "model": "claude-sonnet-4-5-20250929",
    "max_tokens": 1024,
    "messages": [
        {
            "role": "user",
            "content": "Hello, Claude"
        }
    ]
}'

Responses

🟢200OK

application/json

Successful response

Body

Example

{
    "id": "msg_01XFDUDYJgAACzvnptvVoYEL",
    "type": "message",
    "role": "assistant",
    "content": [
        {
            "type": "text",
            "text": "Hello! How can I assist you today?"
        }
    ],
    "model": "claude-sonnet-4-5-20250929",
    "stop_reason": "end_turn",
    "usage": {
        "input_tokens": 12,
        "output_tokens": 8
    }
}

🟠400Bad Request

🟠401Unauthorized

🟠429Too Many Requests

🔴500Internal Server Error

Modified at 2026-03-02 20:33:07

Claude chat completion

DeepSeek chat completion