Offline Dummy Webhook Tester

A powerful offline tool to simulate and debug webhook flows. Use the Sender to trigger events and the Receiver to inspect them. Communication happens locally via browser channels.

Last updated: 2026-01-16

Sender (Client Simulator)

Headers (JSON)

{
  "Content-Type": "application/json"
}

Body / Payload

{
  "event": "user.created",
  "userId": "12345",
  "timestamp": "2024-10-24T12:00:00Z"
}

Receiver (Server Simulator)

Waiting for incoming webhooks...

Use the Sender on the left to trigger events.