Chat（Talk）

POST

/chat/completions

302.AI currently support:
claude-3-haiku-20240307
claude-3-opus-20240229
claude-3-5-haiku-20241022
claude-3-5-sonnet-20240620
claude-3-5-sonnet-20241022
claude-3-7-sonnet-20250219
claude-3-7-sonnet-latest
claude-3-7-sonnet-thinking (Reform the thinking process into deepseek mode)
claude-sonnet-4-20250514
claude-opus-4-20250514

Chat models take a series of messages as input and return a model-generated message as output. While the chat format is designed to make multi-turn conversations easy, it's just as useful for single-turn tasks without any conversation.

Price List: https://302.ai/pricing_api/

Request

Header Params

Body Params application/json

Example

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

Request samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

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

Responses

🟢200OK

application/json

Body

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
    }
}

Modified at 2025-05-23 08:19:25

Responses（Deep-Research）

Chat（Analyze image）