
localhost.run
ngrok
sish
LocalXpose
Pinggy.io
Pagekite
Portmap.io
LocaltoNet
Hookmetry
Webhook.site
RequestBin
Runscope
ngrok
Hookbase
Hookbridge
Hooklistener
Hookmetry is an AIโpowered webhook debugging and observability platform built for developers who need reliability in eventโdriven systems.
Webhooks often fail silently after migrations, connector deprecations, or schema changes โ leading to missed events, broken workflows, and frustrated teams. Traditional inspection tools only show payloads, but they donโt explain why signatures fail, retries multiply, or payloads drift. Hookmetry was designed to solve these hidden problems.
Key Capabilities:
- Payload & Schema Drift Detection โ Catch renamed fields, encoding mismatches, and subtle format changes before they break production.
- Signature Validation & Replay โ Verify HMAC signatures against raw requests and replay events safely to reproduce failures.
- Retry & Delivery Insights โ Track retries, ordering, and latency to understand why events arrive late or multiple times.
- Observability for Webhooks โ Treat webhooks as distributed events, not just callbacks โ with visibility into headers, raw bodies, and delivery context.
Why Developers Choose Hookmetry:
- Purposeโbuilt for debugging โ Unlike generic API monitors, Hookmetry focuses on the unique failure modes of webhooks.
- Realโworld pain coverage โ From Microsoft Teams connector deprecations to Stripe signature mismatches, Hookmetry addresses the issues developers face daily.
- Lightweight integration โ Works alongside existing tunneling or inspection tools (Ngrok, RequestBin, Webhook.site) but adds deeper intelligence.
Ideal For:
- SaaS teams migrating webhook endpoints.
- Developers debugging signature errors or payload mismatches.
- Engineering teams needing observability into retries, ordering, and delivery failures.
localhost.run
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Hookmetry's answer:
Hookmetry is an AI-powered webhook telemetry and observability platform built for modern development teams. Webhooks are the nervous system of modern software, connecting services like Stripe, Clerk, and GitHub to your application. However, when they fail, they fail silentlyโcausing lost revenue, broken user onboarding, or out-of-sync databases.
Hookmetry acts as an intelligent proxy that captures, decodes, and reconstructs every webhook event. It gives developers full visibility into raw headers, payloads, response times, and cryptographic signatures. With advanced features like one-click replays, local server forwarding, and an AI-powered diagnostic engine, Hookmetry reduces webhook troubleshooting time from hours to seconds.
Hookmetry's answer:
Most competitors only inspect payloads or provide basic forwarding. Hookmetry goes deeper:
http://localhost:3000) to test and develop webhook-dependent features locally.This makes Hookmetry the developerโs debugging companion, not just another inspection tool.
Hookmetry's answer:
Since Hookmetry is still earlyโstage, itโs focused on individual developers and small SaaS teams testing webhook reliability. As traction grows, we can list customers like:
โ SaaS startups migrating webhook endpoints
โ Indie developers debugging Stripe/Razorpay integrations
โ Teams needing observability into retries and payload drift
Hookmetry's answer:
Hookmetry is built for:
Its audience is technical, handsโon, and focused on reliability in production systems.
Hookmetry's answer:
Hookmetry was born from a founderโs frustration with silent webhook failures during SaaS migrations. Existing tools showed payloads but didnโt explain why signatures failed or retries multiplied. The product was built to solve real developer pains, starting with Stripe and Razorpay signature mismatches, and has grown into a platform for webhook observability and debugging.
Hookmetry's answer:
Hookmetry is engineered for ultra-low latency event ingestion, high availability, and real-time telemetry rendering. To achieve this, the platform is built on a modern, robust, and highly reliable technology stack:
Based on our record, localhost.run seems to be more popular. It has been mentiond 42 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
- This asciinema: https://asciinema.org/a/674501?t=111 Any unix machine (currently only fedora and debian based distro dependencies are auto installed. Passwordless sudo recommended) with tmux if you run this ssh command youโll get a ghost in your shell. Inspired by https://localhost.run ```bash. - Source: Hacker News / almost 2 years ago
Localhost.run - Simple hosted SSH option. Supports custom domains for a cost. - Source: dev.to / about 2 years ago
Localhost.run โ Expose locally running servers over a tunnel to a public URL. - Source: dev.to / over 2 years ago
Many years ago I built localhost.run to help me write webhooks and accidentally got a bunch of users on it. Since then I've been launching and building and changing and re-launching over and over in an attempt to make it into my day job. Each time something has gotten in the way. - Source: dev.to / over 2 years ago
You'll see how to quickly access your local webserver over the internet using Localhost.run in this tutorial. - Source: dev.to / over 2 years ago
ngrok - ngrok enables secure introspectable tunnels to localhost webhook development tool and debugging tool.
Webhook.site - Instantly generate a free, unique URL and email address to test, inspect, and automate (with a visual workflow editor and scripts) incoming HTTP requests and emails.
sish - An open source serveo/ngrok alternative. HTTP(S)/WS(S)/TCP Tunnels to localhost using only SSH.
RequestBin - RequestBin.com gives you a URL that collects requests you send to it so you can inspect them in a...
LocalXpose - Your network without the IT work. Radically simple, always-on tunneling service for mission-critical applications.
Runscope - Log, monitor and measure your API usage to solve API problems fast.