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