Create function call

https://platform.openai.com/docs/api-reference/responses/create
Some OpenAI models only support the Response format, for example, o3-pro, codex-mini-latest

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

{
    "input": [
        {
            "role": "user",
            "content": "Please help me do the following tasks at the same time:\n1. Get the current system time\n2. View system information (operating system, memory, etc.)\n3. Calculate the result of 123.5 + 456.7 for me\n4. Generate 3 random numbers between 1 and 100\n\nThis is a parallel tool call test, please execute these tasks simultaneously."
        }
    ],
    "metadata": {
        "model_id": "32"
    },
    "model": "gpt-4.1",
    "tool_choice": "auto",
    "tools": [
        {
            "type": "function",
            "name": "random_generator",
            "description": "Generate random numbers within a specified range, supports batch generation",
            "parameters": {
                "type": "object",
                "properties": {
                    "min": {
                        "description": "Minimum value (default 1)",
                        "type": "integer"
                    },
                    "max": {
                        "description": "Maximum value (default 100)",
                        "type": "integer"
                    },
                    "count": {
                        "description": "Number of values to generate (default 1, maximum 10)",
                        "type": "integer"
                    }
                }
            }
        },
        {
            "type": "function",
            "name": "system_info",
            "description": "Get basic system information including operating system, Java version, memory usage, etc.",
            "parameters": {
                "type": "object",
                "properties": {}
            }
        },
        {
            "type": "function",
            "name": "math_calculator",
            "description": "Perform basic mathematical operations including addition, subtraction, multiplication, division, and exponentiation",
            "parameters": {
                "type": "object",
                "properties": {
                    "a": {
                        "description": "First number",
                        "type": "number"
                    },
                    "b": {
                        "description": "Second number",
                        "type": "number"
                    },
                    "operation": {
                        "description": "Operation type: add, subtract, multiply, divide, power",
                        "type": "string"
                    }
                },
                "required": [
                    "operation",
                    "a",
                    "b"
                ]
            }
        },
        {
            "type": "function",
            "name": "current_time",
            "description": "Get the current system time",
            "parameters": {
                "type": "object",
                "properties": {}
            }
        }
    ]
}

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location --request POST 'https://api.key4u.shop/v1/responses' \
--header 'Accept: application/json' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "input": [
        {
            "role": "user",
            "content": "Please help me do the following tasks at the same time:\n1. Get the current system time\n2. View system information (operating system, memory, etc.)\n3. Calculate the result of 123.5 + 456.7 for me\n4. Generate 3 random numbers between 1 and 100\n\nThis is a parallel tool call test, please execute these tasks simultaneously."
        }
    ],
    "metadata": {
        "model_id": "32"
    },
    "model": "gpt-4.1",
    "tool_choice": "auto",
    "tools": [
        {
            "type": "function",
            "name": "random_generator",
            "description": "Generate random numbers within a specified range, supports batch generation",
            "parameters": {
                "type": "object",
                "properties": {
                    "min": {
                        "description": "Minimum value (default 1)",
                        "type": "integer"
                    },
                    "max": {
                        "description": "Maximum value (default 100)",
                        "type": "integer"
                    },
                    "count": {
                        "description": "Number of values to generate (default 1, maximum 10)",
                        "type": "integer"
                    }
                }
            }
        },
        {
            "type": "function",
            "name": "system_info",
            "description": "Get basic system information including operating system, Java version, memory usage, etc.",
            "parameters": {
                "type": "object",
                "properties": {}
            }
        },
        {
            "type": "function",
            "name": "math_calculator",
            "description": "Perform basic mathematical operations including addition, subtraction, multiplication, division, and exponentiation",
            "parameters": {
                "type": "object",
                "properties": {
                    "a": {
                        "description": "First number",
                        "type": "number"
                    },
                    "b": {
                        "description": "Second number",
                        "type": "number"
                    },
                    "operation": {
                        "description": "Operation type: add, subtract, multiply, divide, power",
                        "type": "string"
                    }
                },
                "required": [
                    "operation",
                    "a",
                    "b"
                ]
            }
        },
        {
            "type": "function",
            "name": "current_time",
            "description": "Get the current system time",
            "parameters": {
                "type": "object",
                "properties": {}
            }
        }
    ]
}'

Responses

🟢200OK

application/json

Body

Example

{
  "id": "resp_68ac1558e9488190bcc2cbb94c7d7a140b8064b15a091a77",
  "object": "response",
  "created_at": 1756108120,
  "status": "completed",
  "background": false,
  "content_filters": null,
  "error": null,
  "incomplete_details": null,
  "instructions": null,
  "max_output_tokens": null,
  "max_tool_calls": null,
  "model": "gpt-4.1-data",
  "output": [
    {
      "id": "fc_68ac15594be88190a58217f75a6a54cc0b8064b15a091a77",
      "type": "function_call",
      "status": "completed",
      "arguments": "{\"sign\":\"Aquarius\"}",
      "call_id": "call_6kbB2GTk62PPUNdGuBJPx9KQ",
      "name": "get_horoscope"
    }
  ],
  "parallel_tool_calls": true,
  "previous_response_id": null,
  "prompt_cache_key": null,
  "reasoning": {
    "effort": null,
    "summary": null
  },
  "safety_identifier": null,
  "service_tier": "default",
  "store": true,
  "temperature": 1.0,
  "text": {
    "format": {
      "type": "text"
    }
  },
  "tool_choice": "auto",
  "tools": [
    {
      "type": "function",
      "description": "Get today's horoscope for an astrological sign.",
      "name": "get_horoscope",
      "parameters": {
        "properties": {
          "sign": {
            "description": "An astrological sign like Taurus or Aquarius",
            "type": "string"
          }
        },
        "required": [
          "sign"
        ],
        "type": "object"
      },
      "strict": true
    }
  ],
  "top_p": 1.0,
  "truncation": "disabled",
  "usage": {
    "input_tokens": 62,
    "input_tokens_details": {
      "cached_tokens": 0
    },
    "output_tokens": 18,
    "output_tokens_details": {
      "reasoning_tokens": 0
    },
    "total_tokens": 80
  },
  "user": null,
  "metadata": {}
}