curl --request POST \
  --url https://api.tokengongfang.com/v1beta/models/gemini-2.5-pro:generateContent \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "contents": [
    {
      "role": "user",
      "parts": [
        {
          "text": "你好，介绍一下自己"
        }
      ]
    }
  ]
}'

import requests

url = "https://api.tokengongfang.com/v1beta/models/gemini-2.5-pro:generateContent"

payload = {
    "contents": [
        {
            "role": "user",
            "parts": [
                {
                    "text": "你好，介绍一下自己"
                }
            ]
        }
    ]
}

headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.json())

const url = "https://api.tokengongfang.com/v1beta/models/gemini-2.5-pro:generateContent";

const payload = {
  contents: [
    {
      role: "user",
      parts: [
        {
          text: "你好，介绍一下自己"
        }
      ]
    }
  ]
};

const headers = {
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
};

fetch(url, {
  method: "POST",
  headers: headers,
  body: JSON.stringify(payload)
})
  .then(response => response.json())
  .then(data => console.log(data))
  .catch(error => console.error('Error:', error));

package main

import (
    "bytes"
    "encoding/json"
    "fmt"
    "io/ioutil"
    "net/http"
)

func main() {
    url := "https://api.tokengongfang.com/v1beta/models/gemini-2.5-pro:generateContent"

    payload := map[string]interface{}{
        "contents": []map[string]interface{}{
            {
                "role": "user",
                "parts": []map[string]interface{}{
                    {
                        "text": "你好，介绍一下自己",
                    },
                },
            },
        },
    }

    jsonData, _ := json.Marshal(payload)

    req, _ := http.NewRequest("POST", url, bytes.NewBuffer(jsonData))
    req.Header.Set("Authorization", "Bearer <token>")
    req.Header.Set("Content-Type", "application/json")

    client := &http.Client{}
    resp, err := client.Do(req)
    if err != nil {
        panic(err)
    }
    defer resp.Body.Close()

    body, _ := ioutil.ReadAll(resp.Body)
    fmt.Println(string(body))
}

import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.net.URI;

public class Main {
    public static void main(String[] args) throws Exception {
        String url = "https://api.tokengongfang.com/v1beta/models/gemini-2.5-pro:generateContent";

        String payload = """
        {
          "contents": [
            {
              "role": "user",
              "parts": [
                {
                  "text": "你好，介绍一下自己"
                }
              ]
            }
          ]
        }
        """;

        HttpClient client = HttpClient.newHttpClient();
        HttpRequest request = HttpRequest.newBuilder()
            .uri(URI.create(url))
            .header("Authorization", "Bearer <token>")
            .header("Content-Type", "application/json")
            .POST(HttpRequest.BodyPublishers.ofString(payload))
            .build();

        HttpResponse<String> response = client.send(request,
            HttpResponse.BodyHandlers.ofString());

        System.out.println(response.body());
    }
}

<?php

$url = "https://api.tokengongfang.com/v1beta/models/gemini-2.5-pro:generateContent";

$payload = [
    "contents" => [
        [
            "role" => "user",
            "parts" => [
                [
                    "text" => "你好，介绍一下自己"
                ]
            ]
        ]
    ]
];

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload));
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
]);

$response = curl_exec($ch);
curl_close($ch);

echo $response;
?>

require 'net/http'
require 'json'
require 'uri'

url = URI("https://api.tokengongfang.com/v1beta/models/gemini-2.5-pro:generateContent")

payload = {
  contents: [
    {
      role: "user",
      parts: [
        {
          text: "你好，介绍一下自己"
        }
      ]
    }
  ]
}

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = "Bearer <token>"
request["Content-Type"] = "application/json"
request.body = payload.to_json

response = http.request(request)
puts response.body

{
  "code": 200,
  "data": {
    "candidates": [
      {
        "content": {
          "role": "model",
          "parts": [
            {
              "text": "你好！很高兴能向你介绍我自己。\n\n我是一个大型语言模型，由 Google 训练和开发..."
            }
          ]
        },
        "finishReason": "STOP",
        "index": 0,
        "safetyRatings": [
          {
            "category": "HARM_CATEGORY_HATE_SPEECH",
            "probability": "NEGLIGIBLE"
          }
        ]
      }
    ],
    "promptFeedback": {
      "safetyRatings": [
        {
          "category": "HARM_CATEGORY_HATE_SPEECH",
          "probability": "NEGLIGIBLE"
        }
      ]
    ]
  },
  "usageMetadata": {
    "promptTokenCount": 4,
    "candidatesTokenCount": 611,
    "totalTokenCount": 2422,
    "thoughtsTokenCount": 1807,
    "promptTokensDetails": [
      {
        "modality": "TEXT",
        "tokenCount": 4
      }
    ]
  }
}

{
  "error": {
    "code": 400,
    "message": "无效的请求参数",
    "status": "INVALID_ARGUMENT"
  }
}

{
  "error": {
    "code": 401,
    "message": "认证失败，请检查 API Key",
    "status": "UNAUTHENTICATED"
  }
}

{
  "error": {
    "code": 402,
    "message": "余额不足，请充值",
    "status": "PAYMENT_REQUIRED"
  }
}

{
  "error": {
    "code": 403,
    "message": "没有访问权限",
    "status": "PERMISSION_DENIED"
  }
}

{
  "error": {
    "code": 404,
    "message": "找不到指定的模型",
    "status": "NOT_FOUND"
  }
}

{
  "error": {
    "code": 429,
    "message": "请求过于频繁，请稍后重试",
    "status": "RESOURCE_EXHAUSTED"
  }
}

{
  "error": {
    "code": 500,
    "message": "服务器内部错误",
    "status": "INTERNAL"
  }
}

{
  "error": {
    "code": 502,
    "message": "网关错误，服务暂时不可用",
    "status": "BAD_GATEWAY"
  }
}

{
  "error": {
    "code": 503,
    "message": "服务暂时不可用",
    "status": "UNAVAILABLE"
  }
}