{"repo":"Merit-Systems/echo","free":true,"listed":false,"github":"https://github.com/Merit-Systems/echo","clone":"git clone https://github.com/Merit-Systems/echo.git","description":"The User Pays AI SDK","language":"TypeScript","stars":542,"topics":["anthropic","billing","gemini","llm","openai","react","typescript","vercel"],"license":null,"category":"ai-agents","readme_excerpt":"Echo User-pays AI infrastructure. Drop in Echo, users pay for their own usage—you never front costs. Skip the hard choice between fronting API costs, high-friction BYOK flows, or building billing from scratch. Read the docs Live demo Read our announcement The Problem Building AI apps forces you to pick your poison: Approach Developer Cost User Experience Revenue Model ------------------ ----------------------- ---------------------- ------------------------ BYOK None (but no revenue) Complex key management None Dev API Key Unpredictable burn rate Simple Need metering + billing Bill End Users Weeks building infra Simple Auth + Stripe + metering Echo eliminates all three problems. How Echo Works Replace your AI SDK imports with Echo. Users authenticate once, get a balance, and pay for their own usage. You set a markup and earn revenue automatically. Before: After: Quick Start Creates a new app with Echo pre-configured. Live in 2 minutes. Why Echo? No hosting costs - Users pay providers directly through Echo. You never proxy requests or front bills. Better UX - One OAuth login replaces complex BYOK flows. Users get a universal balance across all Echo apps. Instant revenue - Set a markup percentage. Every token generates profit automatically. Zero infrastructure - No payment processing, no usage tracking, no key validation. Echo handles it all. Core - Echo Control: Next.js app for echo.merit.systems. Hosted site and api routes. - Echo Server: Express server for router.echo.merit.","default_branch":null,"files":null,"tree":[],"storefront":"/r/Merit-Systems","claimed":false,"request_supported":{"post":"https://gitbuyer.com/r/Merit-Systems/echo/request-supported","requests":0},"note":"indexed from public GitHub; nothing is for sale on this page. Clone it from GitHub. Paid listings live at /search."}