Quick Start

Get up and running in 4 steps. API key, first request, model switching, and usage management.

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API Reference

Complete endpoint reference. Chat Completions, Models, Embeddings, Streaming, and Error Codes.

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Tips

Best practices for model selection, streaming, error handling, rate limits, and more.

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Why AI Nexus
✅ OpenAI-compatible API
✅ 100+ Chinese AI models
✅ No phone number required
✅ Smart model routing
Useful Links

Ready to build? Get started in minutes.