# LemonData

> Unified AI API Gateway - Access 300+ AI models through a single API

LemonData is an AI API aggregation platform providing unified access to models from OpenAI, Anthropic, Google, DeepSeek, and more.

## Quick Start

Base URL: https://api.lemondata.cc/v1
Authentication: Bearer token (API key from dashboard)

```bash
curl https://api.lemondata.cc/v1/chat/completions \
  -H "Authorization: Bearer sk-your-api-key" \
  -H "Content-Type: application/json" \
  -d '{"model": "gpt-4o", "messages": [{"role": "user", "content": "Hello!"}]}'
```

## Documentation

- [Introduction](https://docs.lemondata.cc/introduction): Overview and key features
- [Quickstart](https://docs.lemondata.cc/quickstart): Get started in 2 minutes
- [Authentication](https://docs.lemondata.cc/authentication): API key management
- [Management API](https://docs.lemondata.cc/api-reference/management/introduction): Organization balance, key management, and key-level reporting
- [API Formats](https://docs.lemondata.cc/guides/api-formats): OpenAI, Anthropic, Gemini formats
- [Streaming](https://docs.lemondata.cc/guides/streaming): Real-time responses
- [Caching](https://docs.lemondata.cc/guides/caching): Semantic caching for cost reduction
- [Error Handling](https://docs.lemondata.cc/guides/error-handling): Error codes and handling

## API Reference

- [Chat Completions](https://docs.lemondata.cc/api-reference/chat/create-completion): POST https://api.lemondata.cc/v1/chat/completions
- [Messages (Anthropic)](https://docs.lemondata.cc/api-reference/messages/create-message): POST https://api.lemondata.cc/v1/messages
- [Responses (OpenAI)](https://docs.lemondata.cc/api-reference/responses/create-response): POST https://api.lemondata.cc/v1/responses
- [Gemini](https://docs.lemondata.cc/api-reference/gemini/generate-content): POST https://api.lemondata.cc/v1beta/models/{model}:generateContent
- [Images](https://docs.lemondata.cc/api-reference/images/create-image): POST https://api.lemondata.cc/v1/images/generations
- [Video](https://docs.lemondata.cc/api-reference/video/create-video): POST https://api.lemondata.cc/v1/videos/generations
- [Audio](https://docs.lemondata.cc/api-reference/audio/create-speech): POST https://api.lemondata.cc/v1/audio/speech
- [Translations](https://docs.lemondata.cc/api-reference/translation/create-translation): POST https://api.lemondata.cc/v1/translations
- [Embeddings](https://docs.lemondata.cc/api-reference/embeddings/create-embedding): POST https://api.lemondata.cc/v1/embeddings
- [Models](https://docs.lemondata.cc/api-reference/models/list-models): GET https://api.lemondata.cc/v1/models
- [Management API](https://docs.lemondata.cc/api-reference/management/introduction): Management token authentication, organization balance, and key-level usage/billing

## Supported Capabilities

| Capability | Example Models |
|------------|----------------|
| Chat | GPT-4o, Claude 3.5, Gemini 2.0, DeepSeek R1 |
| Vision | GPT-4o, Claude 3.5 Sonnet, Gemini |
| Image Generation | DALL-E 3, Midjourney, Flux, Ideogram |
| Video Generation | Sora, Runway Gen-3, Kling, Vidu |
| Audio | Whisper, TTS-1, MiniMax |
| Embeddings | text-embedding-3-small |
| Music | Suno |
| 3D | Tripo3D |

## Integrations

- [Cursor](https://docs.lemondata.cc/integrations/cursor)
- [Coding Agent Skill](https://docs.lemondata.cc/integrations/coding-agent-skill)
- [OpenAI SDK](https://docs.lemondata.cc/integrations/openai-sdk)
- [Anthropic SDK](https://docs.lemondata.cc/integrations/anthropic-sdk)
- [LangChain](https://docs.lemondata.cc/integrations/langchain)
- [Vercel AI SDK](https://docs.lemondata.cc/integrations/vercel-ai-sdk)

## Key Features

- **OpenAI Compatible**: Drop-in replacement, just change base URL
- **Multi-Format API**: Use OpenAI, Anthropic, or Gemini formats with one API key
- **Semantic Caching**: Intelligent caching reduces costs and latency
- **Smart Routing**: Automatic failover and load balancing
- **Pay As You Go**: No subscriptions, competitive pricing
- **Agent-First Model Discovery**: Use GET /v1/models?recommended_for=image|video|music|3d|tts|stt|embedding|rerank|translation before non-chat requests

## Links

- Website: https://lemondata.cc
- Dashboard: https://lemondata.cc/dashboard
- Models: https://lemondata.cc/en/models
- API Status: https://lemondata.cc/status
- Support: support@lemondata.cc