Webhook infrastructure
for developers
Capture, inspect, replay, and route webhooks. Open source with a CLI tunnel and MCP support for AI agents.
Create an endpoint instantly, or open an existing one by token.
$ npx snag-cli listen 3000
→ Tunneling to http://localhost:3000
→ Public URL: https://snag.dev/h/abc123
POST /webhooks/stripe 200 12ms
POST /webhooks/github 200 8ms
Real-time console
Watch requests arrive, inspect headers and bodies, replay with one click.
CLI tunnel
Stream webhooks to localhost. No ngrok, no port forwarding, no config.
Forwarding rules
Route to multiple destinations with filters, retries, and delivery logs.
MCP server
Let AI agents create endpoints, wait for webhooks, and inspect payloads.
TypeScript SDK
Programmatic access. Create endpoints, subscribe to events, replay requests.
Self-host
Run on your own infrastructure. Firestore + Redis. Deploy anywhere.
Open source and free to use. Star on GitHub