One OpenAI compatible key for every major AI provider
UnoRouter is an OpenAI compatible gateway: you change the base URL, keep your existing SDK, and reach models from OpenAI, Anthropic, Google, DeepSeek, Qwen and other providers with a single key. Requests are routed across providers with automatic failover, so one provider outage does not take your app down. It works in your own code, in Claude Code and in common AI clients. Pricing is pay as you go with a free tier to start.
UnoRouter is one of 7 tools in the Developer APIs category on 21st Tools. The Developer APIs tools page ranks every tool in the category by community upvotes, so you can compare UnoRouter with the alternatives side by side.
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