Pay-as-you-go API gateway for GPT and Claude models. Get one OpenAI-compatible endpoint with access to top models at a fraction of official list prices on select routes. Top up your balance once, then pay only for what you use — no subscriptions, no monthly minimums. Built for developers running agentic coding workflows (Claude Code, Cursor, Codex) who burn through tokens fast.

Already purchased? Top up your balance anytime at relay.fast/wallet — sign in with your delivered API key and choose the Whop payment method.