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AnyFast is a unified AI API platform that gives developers access to the world’s best models — including chat, image generation, and video generation — through a single, consistent interface. Instead of managing separate API keys, SDKs, and authentication flows for each provider, AnyFast abstracts everything into one endpoint. Switch between models from Anthropic, ByteDance, OpenAI, Google, and more by changing a single parameter.

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Get started

Quickstart

Make your first API call in minutes.

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What AnyFast provides

Unified access to 100+ models Chat completions, image generation, video generation — all available under one API key. No need to integrate each provider separately. OpenAI-compatible interface For chat models, AnyFast follows the OpenAI API specification. If you’re already using the OpenAI SDK, switching to AnyFast requires only a base URL change. Multi-modal support Beyond chat, AnyFast supports image and video generation models with provider-specific parameters exposed in a clean, documented format. Predictable error handling Every endpoint returns consistent error codes and message formats, regardless of the underlying provider — so your error handling logic stays simple. Transparent pricing No platform fees or markup surprises. You pay per token for chat models and per generation for media models, billed based on actual usage.

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Explore the API

API Reference

Authentication, base URL, and error codes.

Model APIs

Browse all available models by provider.