Dev tools · alternatives · 2026

24 alternatives to I made an online Webhook Tester

Hi HN! Last year, I built LocalCan app in which you can develop apps using .local domains and Public URLs. Although it allows for testing webhooks too, I wanted to give back and create a free online tool specifically for that purpose! And so, I've made Webhook.cool Simply use your unique webhook URL to send any webhook to it from services like Shopify, Slack, Mailchimp, Trello, GitHub, PayPal, Discord, and Jira. Give it a try and let me know how if you have any feedback.

Webhook.cool is a free online tool for testing webhooks from services like Shopify, Slack, Mailchimp, Trello, GitHub, PayPal, Discord, and Jira. Developers can generate a unique webhook URL and send payloads to it to… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. I made an online Webhook Tester launched in 2024; newer entries below may have overtaken it.

1
Webhook.cool▲75
Free Online Webhook Tester
2024 · webhook.cool · its alternatives →
2
Webhookify▲123
Instant Webhook URLs with AI Powered Notifications
2025 · webhookify.app · its alternatives →
3
Webhook.site▲176
Do anything with Webhooks
2017 · webhook.site · its alternatives →
4
Webhook Store▲79
Simple open source webhook tool for development
2022 · its alternatives →
5
Webhook – A lightweight configurable tool written in Go▲144
webhook is a lightweight incoming webhook server to run shell commands - adnanh/webhook
2017 · github.com · its alternatives →
6
Webhook Catcher▲105
Create instant disposable Webhooks to inspect & respond fast
2025 · webhook.projext.in · its alternatives →
7
WebhookCatch▲1
Free Webhook Testing Tool
Aug 2026 · webhookcatch.com · its alternatives →
8
CodeHook▲12
Ultimate tool for webhook testing and debugging
2024 · its alternatives →
9
HTTPDump▲96
A simple, beautiful Webhook debugging tool.
2018 · cyrin.io · its alternatives →
10WS
Webhook – Static site generator with a CMS▲78
2014 · webhook.com · its alternatives →
11
Onlook for Web▲574
The open-source, local-first Figma for React apps
2025 · onlook.com · its alternatives →
12
WebhookApp▲6
Free webhook tester & online http inspector
2025 · its alternatives →
13
webhook.rodeo▲95
Looking for feedback on a new tool I just built to make managing webhooks during development easier (and hopefully fun!) Roast me HN
Nov 2025 · webhook.rodeo · its alternatives →
14
Reliable Webhook▲81
Webhooks development relay app with VS Code extension
2022 · its alternatives →
15
Hook0▲339
OpenSource Webhook as a service, secure and enterprise ready
2024 · hook0.com · its alternatives →
16
WhatsHook▲116
To send webhooks, emails & alerts directly to your WhatsApp
2023 · whatshook.io · its alternatives →
17
Webhook▲76
The easiest way to build a custom CMS for your next website
2014 · domainmanage.com · its alternatives →
18WT
WebhookTest. Test Your Webhooks▲5
2021 · webhooktest.com · its alternatives →
19
Requex.me
Only webhook test tool you will ever need
Jan 2026 · app.requex.me · its alternatives →
20
Webhook Simulator▲5
Easy Webhook Testing on Localhost
2024 · webhooksimulator.com · its alternatives →
21
Webhooks by Zapier▲163
Move Your Data Instantly With Webhooks
2018 · zapier.com · its alternatives →
22
Unofficial Webhooks for Notion▲97
Receive Webhooks from your Notion Workspace
2021 · its alternatives →
23
Webhooks.fyi▲112
The place to learn how to build & use webhooks
2022 · webhooks.fyi · its alternatives →
24
Hook Relay▲83
Reliable webhook delivery, with debugging and logging
2021 · hookrelay.dev · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →