💻 API Documentation

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_API_KEY",
    base_url="https://api.deepseek.com/v1"
)

response = client.chat.completions.create(
    model="deepseek-v4-pro",
    messages=[{"role": "user", "content": "Hello!"}],
    temperature=0.7,
    max_tokens=1024,
)
print(response.choices[0].message.content)

import OpenAI from "openai";

const client = new OpenAI({
  apiKey: "YOUR_API_KEY",
  baseURL: "https://api.deepseek.com/v1",
});

const res = await client.chat.completions.create({
  model: "deepseek-v4-pro",
  messages: [{ role: "user", content: "Hello!" }],
  temperature: 0.7,
});
console.log(res.choices[0].message.content);

curl https://api.deepseek.com/v1/chat/completions \
  -H "Authorization: Bearer $DEEPSEEK_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-v4-flash",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

package main

import (
    "context"
    "fmt"
    openai "github.com/sashabaranov/go-openai"
)

func main() {
    cfg := openai.DefaultConfig("YOUR_API_KEY")
    cfg.BaseURL = "https://api.deepseek.com/v1"
    client := openai.NewClientWithConfig(cfg)

    resp, _ := client.CreateChatCompletion(context.Background(),
        openai.ChatCompletionRequest{
            Model:    "deepseek-v4-pro",
            Messages: []openai.ChatCompletionMessage{{Role: "user", Content: "Hello!"}},
        })
    fmt.Println(resp.Choices[0].Message.Content)
}

OpenAiService service = new OpenAiService("YOUR_API_KEY");
ChatCompletionRequest request = ChatCompletionRequest.builder()
    .model("deepseek-v4-pro")
    .messages(List.of(new ChatMessage("user", "Hello!")))
    .build();
service.createChatCompletion(request)
    .getChoices().get(0).getMessage().getContent();