
API integration testing that remembers what breaks
One MCP config plugs FetchSandbox into Cursor, Claude Code, Cline, Windsurf, and Codex. 50+ APIs ready — Stripe, GitHub, Twilio, OpenAI, Paddle, and more. 30-second setup. Real webhooks, real state, real failures — no real-API quota burned.
FetchSandbox — Test the integrations your AI wrote, without leaving your IDE Skip to main content Features How it works Pricing FAQ How to Setup? Runnable API integrations for developers and agents The memory graph that lets your AI ship integrations without burning real APIs. Pre-configured APIs ready to use Works with Cursor, Claude, Codex CLI & more Test webhooks, auth, requests, and responses easily Go from idea → working integration in minutes Start Testing APIs Browse API Catalog Pre-built support for Stripe, GitHub, OpenAI, Paddle, Twilio and more Build and test API integrations wit
One MCP config plugs FetchSandbox into Cursor, Claude Code, Cline, Windsurf, and Codex. 50+ APIs ready — Stripe, GitHub, Twilio, OpenAI, Paddle, and more. 30-second setup. Real webhooks, real state, real failures — no real-API quota burned.
FetchSandbox — Test the integrations your AI wrote, without leaving your IDE Skip to main content Features How it works Pricing FAQ How to Setup? Runnable API integrations for developers and agents The memory graph that lets your AI ship integrations without burning real APIs. Pre-configured APIs ready to use Works with Cursor, Claude, Codex CLI & more Test webhooks, auth, requests, and responses easily Go from idea → working integration in minutes Start Testing APIs Browse API Catalog Pre-built support for Stripe, GitHub, OpenAI, Paddle, Twilio and more Build and test API integrations wit