ChatCompletions格式

根据对话历史创建模型响应。支持流式和非流式响应。

兼容 OpenAI Chat Completions API。

Try It

POST/v1/chat/completionshttps://api-platform.ope.ai

认证

使用 Bearer Token 认证。

• Header：Authorization: Bearer <api-key>
• 示例：Authorization: Bearer sk-xxxxxx

请求体（application/json）

以下字段按 OpenAI Chat Completions API 官方格式列出。

字段	类型	必填	说明	默认值 / 范围
model	string	是	模型 ID	-
messages	array<object>	是	对话消息列表	-
temperature	number	否	采样温度	默认 1；范围 0~2
top_p	number	否	核采样参数	默认 1；范围 0~1
n	integer	否	生成数量	默认 1；范围 >=1
stream	boolean	否	是否流式响应	默认 false
stream_options	object	否	流式参数	-
stop	string | array<string>	否	停止序列	-
max_tokens	integer	否	最大生成 Token 数	-
max_completion_tokens	integer	否	最大补全 Token 数	-
presence_penalty	number	否	话题惩罚	默认 0；范围 -2~2
frequency_penalty	number	否	频率惩罚	默认 0；范围 -2~2
logit_bias	object	否	Logit 偏置	-
user	string	否	终端用户标识	-
tools	array<object>	否	工具列表	-
tool_choice	string | object	否	工具选择策略	-
response_format	object	否	响应格式	-
seed	integer	否	随机种子	-
reasoning_effort	"low" | "medium" | "high"	否	推理强度（用于支持推理的模型）	-
modalities	array<string>	否	输出模态	-
audio	object	否	音频输出配置	-

请求示例

下方域名为示例：https://api-platform.ope.ai。

cURL

curl -X POST "https://api-platform.ope.ai/v1/chat/completions" \
  -H "Authorization: Bearer $OPEAI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-v4-flash",
    "messages": [
      {
        "role": "user",
        "content": "hello"
      }
    ]
  }'

JavaScript

const url = "https://api-platform.ope.ai/v1/chat/completions";
const apiKey = process.env.OPEAI_API_KEY;

const res = await fetch(url, {
  method: "POST",
  headers: {
    Authorization: `Bearer ${apiKey}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    model: "deepseek-v4-flash",
    messages: [{ role: "user", content: "hello" }],
  }),
});

console.log(await res.json());

Go

package main

import (
  "bytes"
  "fmt"
  "net/http"
  "os"
)

func main() {
  body := []byte(`{"model":"deepseek-v4-flash","messages":[{"role":"user","content":"hello"}]}`)
  req, _ := http.NewRequest("POST", "https://api-platform.ope.ai/v1/chat/completions", bytes.NewBuffer(body))
  req.Header.Set("Authorization", "Bearer "+os.Getenv("OPEAI_API_KEY"))
  req.Header.Set("Content-Type", "application/json")

  resp, err := http.DefaultClient.Do(req)
  if err != nil {
    panic(err)
  }
  defer resp.Body.Close()
  fmt.Println(resp.Status)
}

Python

import os
import requests

resp = requests.post(
  "https://api-platform.ope.ai/v1/chat/completions",
  headers={
    "Authorization": f"Bearer {os.environ.get('OPEAI_API_KEY')}",
    "Content-Type": "application/json",
  },
  json={
    "model": "deepseek-v4-flash",
    "messages": [{"role": "user", "content": "hello"}],
  },
  timeout=60,
)

print(resp.json())

Java

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

public class Main {
  public static void main(String[] args) throws Exception {
    String apiKey = System.getenv("OPEAI_API_KEY");
    String url = "https://api-platform.ope.ai/v1/chat/completions";

    String json = """
      {
        "model": "deepseek-v4-flash",
        "messages": [
          { "role": "user", "content": "hello" }
        ]
      }
      """;

    HttpRequest request = HttpRequest.newBuilder()
      .uri(URI.create(url))
      .header("Authorization", "Bearer " + apiKey)
      .header("Content-Type", "application/json")
      .POST(HttpRequest.BodyPublishers.ofString(json))
      .build();

    HttpClient client = HttpClient.newHttpClient();
    HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
    System.out.println(response.statusCode());
    System.out.println(response.body());
  }
}

C#

using System;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;
using System.Threading.Tasks;

public class Program
{
  public static async Task Main()
  {
    var apiKey = Environment.GetEnvironmentVariable("OPEAI_API_KEY");
    var url = "https://api-platform.ope.ai/v1/chat/completions";

    var json = """
    {
      "model": "deepseek-v4-flash",
      "messages": [
        { "role": "user", "content": "hello" }
      ]
    }
    """;

    using var http = new HttpClient();
    http.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", apiKey);
    var content = new StringContent(json, Encoding.UTF8, "application/json");

    var resp = await http.PostAsync(url, content);
    Console.WriteLine((int)resp.StatusCode);
    Console.WriteLine(await resp.Content.ReadAsStringAsync());
  }
}

响应示例

200

{
  "id": "string",
  "object": "chat.completion",
  "created": 0,
  "model": "string",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "system",
        "content": "string",
        "name": "string",
        "tool_calls": [
          {
            "id": "string",
            "type": "function",
            "function": { "name": "string", "arguments": "string" }
          }
        ],
        "tool_call_id": "string",
        "reasoning_content": "string"
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 0,
    "completion_tokens": 0,
    "total_tokens": 0,
    "prompt_tokens_details": {
      "cached_tokens": 0,
      "text_tokens": 0,
      "audio_tokens": 0,
      "image_tokens": 0
    },
    "completion_tokens_details": {
      "text_tokens": 0,
      "audio_tokens": 0,
      "reasoning_tokens": 0
    }
  },
  "system_fingerprint": "string"
}

400

{
  "error": { "message": "string", "type": "string", "param": "string", "code": "string" }
}

429

{
  "error": { "message": "string", "type": "string", "param": "string", "code": "string" }
}