YiAPI
Low-cost, reliable OpenAI and Claude API proxy
Use OpenAI and Claude services from one site. YiAPI provides an AI API gateway and LLM API proxy with usage-based billing, clear balance tracking, and usage visibility.
Lower-cost access
Lower per-call costs and clearer balance usage, so long sessions feel easier to sustain.
Fast and stable responses
Less waiting, fewer timeouts, and fewer retries, making each request feel smoother.
Full GPT quality
No model swapping or intentional capability downgrade, keeping the output close to the native GPT experience.
Start in three steps
The client experience stays simple: get a key, paste it into your AI client or agent, and call GPT as usual.
Log in to YiAPI
Open the dashboard to see account status, balance, and available API entry points.
Create an API key
Issue separate keys for different AI tools or use cases so each one can be tracked, limited, or disabled.
Change the Base URL
Point your client or agent to YiAPI and keep using GPT-style request parameters.