Create Chat Completion

Request

Authorization

API Key

Add parameter in header

Authorization

Example:

Authorization: ********************

or

Body Params application/jsonRequired

Example

{
    "model": "gpt-5",
    "messages": [
        {
            "role": "system",
            "content": "string",
            "name": "string",
            "tool_calls": [
                {
                    "index": 0,
                    "id": "string",
                    "type": "string",
                    "function": {
                        "name": "string",
                        "arguments": "string"
                    }
                }
            ],
            "tool_call_id": "string",
            "reasoning_content": "string"
        }
    ],
    "stream": false,
    "stream_options": {
        "include_usage": true
    },
    "max_tokens": 0,
    "max_completion_tokens": 0,
    "temperature": 0,
    "top_p": 0,
    "top_k": 0,
    "n": 1,
    "stop": "string",
    "frequency_penalty": -2,
    "presence_penalty": -2,
    "response_format": {
        "type": "text",
        "json_schema": {}
    },
    "tools": [
        {
            "type": "function",
            "function": {
                "name": "string",
                "description": "string",
                "parameters": {}
            }
        }
    ],
    "tool_choice": "none",
    "reasoning_effort": "low",
    "seed": 0,
    "user": "string",
    "logprobs": true,
    "top_logprobs": 0
}

Request Code Samples

Shell

JavaScript

Java

Swift

Go

PHP

Python

HTTP

C

C#

Objective-C

Ruby

OCaml

Dart

R

curl --location --request POST 'https://api.ccapi.ai//v1/chat/completions' \
--header 'Authorization: <api-key>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "model": "gpt-5",
    "messages": [
        {
            "role": "system",
            "content": "string",
            "name": "string",
            "tool_calls": [
                {
                    "index": 0,
                    "id": "string",
                    "type": "string",
                    "function": {
                        "name": "string",
                        "arguments": "string"
                    }
                }
            ],
            "tool_call_id": "string",
            "reasoning_content": "string"
        }
    ],
    "stream": false,
    "stream_options": {
        "include_usage": true
    },
    "max_tokens": 0,
    "max_completion_tokens": 0,
    "temperature": 0,
    "top_p": 0,
    "top_k": 0,
    "n": 1,
    "stop": "string",
    "frequency_penalty": -2,
    "presence_penalty": -2,
    "response_format": {
        "type": "text",
        "json_schema": {}
    },
    "tools": [
        {
            "type": "function",
            "function": {
                "name": "string",
                "description": "string",
                "parameters": {}
            }
        }
    ],
    "tool_choice": "none",
    "reasoning_effort": "low",
    "seed": 0,
    "user": "string",
    "logprobs": true,
    "top_logprobs": 0
}'

Responses

🟢200success

application/json

Chat completion response (or SSE stream when stream is true)

Body

Example

{
    "id": "chatcmpl-abc123",
    "object": "chat.completion",
    "created": 1700000000,
    "model": "gpt-5",
    "choices": [
        {
            "index": 0,
            "message": {
                "role": "assistant",
                "content": "Hello! How can I help you today?"
            },
            "finish_reason": "stop"
        }
    ],
    "usage": {
        "prompt_tokens": 10,
        "completion_tokens": 8,
        "total_tokens": 18
    }
}

🟠400未认证

🟠401

🟠402

🟠429

🔴500