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Webhook Tester API

https://webhook-tester-production-d9bb.up.railway.app/mcp

● degraded

Test webhook endpoints — send requests, measure latency, validate responses. x402 micropayment.

Transport

sse

Auth

—

Cost

—

How to connect

MCP endpoint (sse)

https://webhook-tester-production-d9bb.up.railway.app/mcp

JSON-RPC initialize probe

curl -X POST https://webhook-tester-production-d9bb.up.railway.app/mcp \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{}}'

Homepage

https://github.com/Br0ski777/webhook-tester-x402

Source code

https://github.com/Br0ski777/webhook-tester-x402