deepseek_api 0.1.2

A Flutter package for integrating with DeepSeek's API. Supports chat completions, model management, and streaming.

DeepSeek API

A modern Flutter package for seamless integration with DeepSeek's powerful AI APIs. Supports all major features, including chat completions, model management, and streaming.

Installation

Add the following dependency to your pubspec.yaml:

dependencies:
  deepseek_api: ^latest_version

Then run:

flutter pub get

Initialization

import 'package:deepseek_api/deepseek_api.dart';

final deepseek = DeepSeekAPI(
  apiKey: 'your-api-key',
  // Optional: baseUrl: 'https://api.deepseek.com/v1' (default)
);

🔗 Get API Key | 💵 Pricing Details

Quick Start

Basic Chat Completion

final response = await deepseek.createChatCompletion(
  ChatCompletionRequest(
    model: 'deepseek-chat',
    messages: [
      ChatMessage(
        role: 'user',
        content: 'Explain quantum computing in 50 words'
      )
    ],
    temperature: 0.7,
    maxTokens: 100,
  ),
);

print(response.choices.first.message.content);

Streaming Responses

final response = await deepseek.createChatCompletion(
  ChatCompletionRequest(
    model: 'deepseek-chat',
    messages: [/* your messages */],
    stream: true,
  ),
);

// Handle stream using Dio's response stream

Supported Models

Latest Models (2024)

Model ID	Description	Best For
deepseek-chat	General-purpose chat model	Everyday conversations
deepseek-coder	Code-focused model	Programming assistance
deepseek-math	Advanced mathematical reasoning	Complex calculations
deepseek-chat-pro	Premium chat model	Enterprise applications

🔍 Full Model List | 🔄 Model Updates

Parameters Reference

ChatCompletionRequest

Parameter	Type	Default	Description
model	String	Required	The model ID to use
messages	List	Required	Conversation history as ChatMessage objects
temperature	double?	1.0	Creativity control (0.0-2.0)
maxTokens	int?	null	Maximum number of tokens to generate
topP	double?	1.0	Nucleus sampling threshold (0.0-1.0)
frequencyPenalty	double?	0.0	Penalize new tokens based on frequency (-2.0 to 2.0)
presencePenalty	double?	0.0	Penalize new tokens based on presence (-2.0 to 2.0)
stop	List?	null	Up to 4 sequences where the API will stop generating
stream	bool?	false	Whether to stream back partial progress
user	String?	null	Unique identifier for end-user

Advanced Features

Model Management

// List all available models
final models = await deepseek.listModels();
print(models.data.map((m) => m.id).join(', '));

Error Handling

try {
  // API call
} on RateLimitException catch (e) {
  print('Slow down! ${e.message}');
} on ApiException catch (e) {
  print('API Error: ${e.message}');
} on NetworkException {
  print('Check your internet connection');
}

Custom Configuration

final customDio = Dio()
  ..interceptors.add(LogInterceptor());

final deepseek = DeepSeekAPI(
  apiKey: 'your-key',
  baseUrl: 'https://api.deepseek.com/v2', // Custom endpoint
);

API Resources

• Official Documentation
• API Status Dashboard
• Pricing Calculator
• Rate Limits Guide

Contributing

We welcome contributions! Please:

1. Fork the repository
2. Create your feature branch
3. Submit a PR with tests

📌 Report Issues | 📖 View Source

---

Disclaimer: This package is not officially affiliated with DeepSeek. Always refer to the official API documentation for the most accurate information.