Yunxin API Documentation
One API for every AI model. Access 24+ providers and hundreds of models through a single, unified API.
This documentation is AI-generated and may contain errors. For the most accurate and up-to-date information, please refer to the Models API or Dashboard.
Welcome to Yunxin
Yunxin is a unified AI API gateway that aggregates 24+ model providers into a single, standardized API. Whether you need text generation, image creation, audio synthesis, video production, or 3D model generation — Yunxin has you covered.
Why Yunxin?
- Unified Interface — Use one API key and one endpoint format to access all supported providers.
- Full Provider Fidelity — Each provider is independently adapted at 100% API coverage, preserving unique features like reasoning, vision, and function calling.
- Multi-Format Support — OpenAI Chat Completions, OpenAI Responses API, and Anthropic Messages format — all natively supported.
- Multi-Modal — Beyond text: image generation, TTS/STT, video generation, music creation, and even 3D object generation.
- Native Reasoning — First-class support for thinking/reasoning models with extended reasoning capabilities — not a plugin, but built into the core.
- Dynamic Model Registry — Models are auto-synced from providers. New models available on day zero, no code changes required.
- 0-Day Extensibility — Add new providers, tools, and models without touching existing code.
Supported Providers
Yunxin supports 24+ providers with 100% API coverage. Models are automatically synced from providers — use the Models API or check the Dashboard to discover available models and their capabilities.
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