Gọi hàm (Function calling) non-streaming

POST

/v1/chat/completions

Khi được cung cấp một prompt, mô hình sẽ trả về một hoặc nhiều đoạn văn hoàn thành được dự đoán, và cũng có thể trả về xác suất của các token thay thế tại từng vị trí.
Tạo phần hoàn thành dựa trên prompt và các tham số đã cung cấp.
Tài liệu chính thức: https://platform.openai.com/docs/guides/function-calling?api-mode=responses

Request

Authorization

Provide your bearer token in the

Authorization

header when making requests to protected resources.

Example:

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

Header Params

Body Params application/json

Example

{
    "model": "gpt-4o",
    "messages": [
        {
            "role": "system",
            "content": "You are a helpful customer support assistant. Use the supplied tools to assist the user."
        },
        {
            "role": "user",
            "content": "Hi, can you tell me the delivery date for my order?"
        },
        {"role": "assistant", "content": "Hi there! I can help with that. Can you please provide your order ID?"},
        {"role": "user", "content": "i think it is order_12345"}
    ],
    "tools": [
        {
            "type": "function",
            "function": {
                "name": "get_delivery_date",
                "description": "Get the delivery date for a customer's order. Call this whenever you need to know the delivery date, for example when a customer asks 'Where is my package'",
                "parameters": {
                    "type": "object",
                    "properties": {
                        "order_id": {
                            "type": "string",
                            "description": "The customer's order ID."
                        }
                    },
                    "required": [
                        "order_id"
                    ],
                    "additionalProperties": false
                }
            }
        }
    ]
}

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location --request POST '/v1/chat/completions' \
--header 'Accept: application/json' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "model": "gpt-4o",
    "messages": [
        {
            "role": "system",
            "content": "You are a helpful customer support assistant. Use the supplied tools to assist the user."
        },
        {
            "role": "user",
            "content": "Hi, can you tell me the delivery date for my order?"
        },
        {"role": "assistant", "content": "Hi there! I can help with that. Can you please provide your order ID?"},
        {"role": "user", "content": "i think it is order_12345"}
    ],
    "tools": [
        {
            "type": "function",
            "function": {
                "name": "get_delivery_date",
                "description": "Get the delivery date for a customer'\''s order. Call this whenever you need to know the delivery date, for example when a customer asks '\''Where is my package'\''",
                "parameters": {
                    "type": "object",
                    "properties": {
                        "order_id": {
                            "type": "string",
                            "description": "The customer'\''s order ID."
                        }
                    },
                    "required": [
                        "order_id"
                    ],
                    "additionalProperties": false
                }
            }
        }
    ]
}'

Responses

🟢200OK

application/json

Body

Example

{
    "id": "string",
    "object": "string",
    "created": 0,
    "choices": [
        {
            "index": 0,
            "message": {
                "role": "string",
                "content": "string"
            },
            "finish_reason": "string"
        }
    ],
    "usage": {
        "prompt_tokens": 0,
        "completion_tokens": 0,
        "total_tokens": 0
    }
}

Modified at 2026-03-06 15:27:34

Danh sách model

Output có cấu trúc (structured output)