claude-sonnet-4-5-20250929

POST

/v1/messages/claude-sonnet-4-5-20250929

Actual API Endpoint: POST https://refreshing-gratitude-production.up.railway.app/v1/messages

Model Code: claude-sonnet-4-5-20250929

Request

Authorization

Bearer Token

Provide your bearer token in the

Authorization

header when making requests to protected resources.

Example:

Authorization: Bearer ********************

Body Params application/jsonRequired

Examples

Responses

🟢200

application/json

Request successful

Body

🟠401

🟠429

🔴500

Request Example

Shell

JavaScript

Java

Swift

curl --location --request POST '/v1/messages/claude-sonnet-4-5-20250929' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "model": "claude-sonnet-4-5-20250929",
    "messages": [
        {
            "role": "user",
            "content": "你能做什么呢"
        }
    ],
    "max_tokens": 500
}'

Response Example

{
    "id": "msg_bdrk_01IgIbDz7NUfpySshKoVbfNQ",
    "type": "message",
    "role": "assistant",
    "content": [
        {
            "type": "text",
            "text": "# 我能做的事情 😊\n\n很高兴你问！我是一个AI助手，可以在很多方面帮助你：\n\n## 📝 写作与创作\n- 写文章、邮件、报告\n- 创意写作（故事、诗歌等）\n- 翻译和润色文本\n\n## 💡 学习与"
        }
    ],
    "stop_reason": "max_tokens",
    "model": "claude-sonnet-4-5-20250929",
    "usage": {
        "input_tokens": 15,
        "cache_creation_input_tokens": 0,
        "cache_read_input_tokens": 0,
        "output_tokens": 100,
        "claude_cache_creation_5_m_tokens": 0,
        "claude_cache_creation_1_h_tokens": 0
    }
}

Modified at 2026-03-23 18:04:25

claude-opus-4-6

GPT 5.2