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WebHook Tester logo

WebHook Tester

511

A self-hosted alternative to Postman

MIT LicenseOpen Source — No Paywall6 Containers — 6 containers — moderate hosting footprintBinary · Docker · K8s +1No external DB

About

WebHook Tester is a self-hosted tool for capturing, inspecting, and debugging webhooks and HTTP requests. It is aimed at developers who need temporary endpoints for testing integrations from services...

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screencast

Features

  • Random unique webhook URLs
  • Custom response code/headers/body
  • Response delay
  • In-memory storage
  • Redis storage
  • Filesystem storage
  • WebSocket notifications
  • Built-in React UI
  • Tunneling via ngrok
  • CLI health check

Details

Last Updated
Jul 11, 2026
Created
Jul 16, 2020
Install Methods
binarydockerkuberneteshelm
Requirements
Go runtime for building from sourceRedis for persistent storage or multi-instance operationngrok authentication token for tunneling
Backup & Export
file-backupdatabase-dump
Runtime / Stack
DockerGodebK8S
Privacy & Independence
Cloud: OptionalOffline Capable
Deployment

Deployment: Docker Compose ✓6 Containersmoderate hosting footprintRuns as 6 containers

Docker Compose

6 services · infra: redis · 1 unclassified (k6)

no resource limits declared

needs persistent storage (8 volumes)

compose.yml · @ de43e59 · scanned Jun 5, 2026

# yaml-language-server: $schema=https://cdn.jsdelivr.net/gh/compose-spec/compose-spec@master/schema/compose-spec.json

services:
  app: # common use case is to run shell or execute commands
    build: &app-build {dockerfile: Dockerfile, target: builder}
    env_file: &app-env-file [{path: .env, required: false}]
    environment: {HOME: /tmp, LOG_LEVEL: debug}
    volumes: [.:/src:rw, app-tmp-data:/tmp:rw, app-modules-cache:/var/tmp/go:rw]
    security_opt: [no-new-privileges:true]

  app-http:
    build: *app-build
    env_file: *app-env-file
    command: go run ./cmd/webhook-tester/ start --use-live-frontend --auto-create-sessions --max-requests 16
    volumes: [.:/src:rw]
    ports: ['8080:8080/tcp'] # open http://127.0.0.1:8080
    healthcheck:
      test: ['CMD', 'wget', '--spider', '-q', 'http://127.0.0.1:8080/healthz']
      start_interval: 1s
      interval: 10s
# ...

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Metadata extracted from README on Mar 25, 2026

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