Messages (for Claude Code)

POST

https://api.302.ai/cc/v1/messages

You only need to change the API Base in Claude Code to:
https://api.302.ai/cc
or
https://api.302ai.cn/cc
For APIKey, simply use the key created in the admin panel.

Billing is calculated at 30% of the official API price, with cache hit support.

We currently support:
claude-3-5-haiku-20241022
claude-sonnet-4-20250514
claude-opus-4-20250514

Pricing: 30% of the original model price

Request

Header Params

Body Params application/json

Example

{
    "model": "claude-3-5-sonnet-20240620",
    "max_tokens": 1024,
    "messages": [
        {"role": "user", "content": "Hello, world"}
    ]
}

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location --request POST 'https://api.302.ai/cc/v1/messages' \
--header 'Accept: application/json' \
--header 'Authorization: Bearer sk-jls4AaVBGoe1GwZD64qZA1qyKTN1MPHa4NmvH1cT68z7K1Zz' \
--header 'Content-Type: application/json' \
--data-raw '{
    "model": "claude-3-5-sonnet-20240620",
    "max_tokens": 1024,
    "messages": [
        {"role": "user", "content": "Hello, world"}
    ]
}'

Responses

🟢200OK

application/json

Body

Example

{
    "id": "msg_01QyXuu5DMbJWUN22Ys6Kvoh",
    "type": "message",
    "role": "assistant",
    "model": "claude-3-5-sonnet-20240620",
    "content": [
        {
            "type": "text",
            "text": "Hello! How can I assist you today? Feel free to ask me any questions or let me know if you need help with anything."
        }
    ],
    "stop_reason": "end_turn",
    "stop_sequence": null,
    "usage": {
        "input_tokens": 10,
        "cache_creation_input_tokens": 0,
        "cache_read_input_tokens": 0,
        "output_tokens": 30
    }
}

Modified at 2025-09-15 02:28:03

Messages（128k output）

v1beta（Official Format - Chat）