GitHub Push Event Payload Example
A complete GitHub push webhook payload with X-GitHub-Event, X-Hub-Signature-256, and a cURL example for a live inspector.
7 min read
Stuck on a payload, Zapier, or an agent
These pages match the query you typed. Stripe, GitHub, Shopify, and Twilio payloads first. Then one error per page, honest alternatives, then Zapier, Make, n8n, ChatGPT, Claude, and Cursor. The inspector and CLI start without an account.
payloads
Provider payloads
The exact JSON and headers people look up when a handler will not parse.
Shopify orders/create Webhook Payload Example
Example JSON for the Shopify orders/create webhook, including X-Shopify-Topic, HMAC headers, and a cURL you can inspect live.
7 min read
Stripe Webhook Payload Example: JSON, Headers, and Signature
A complete Stripe webhook payload example with Event JSON, Stripe-Signature header, and a cURL you can send to a live inspector.
8 min read
Twilio Status Callback Webhook Example
Twilio message status callback fields, form-encoded body, and a cURL example to inspect MessageStatus deliveries live.
6 min read
errors
Concrete errors
One page per failure. Capture the request, then fix that status or message.
ngrok Tunnel Not Found: Fix It or Skip the Tunnel
ngrok tunnel not found means the agent is down or nothing is listening. Check the process, or forward to 127.0.0.1 without a tunnel.
5 min read
Stripe Webhook Signature Verification Failed
Fix Stripe webhook signature verification failed: verify the raw body, parse t and v1, and never JSON.parse before HMAC.
6 min read
Webhook 401 Unauthorized: How to Fix It
A webhook 401 is the secret, HMAC bytes, Basic auth, or clock skew. Capture the request, then fix that one cause.
5 min read
Common Webhook HTTP Errors and How to Fix Them
Diagnose webhook 400, 401, 404, 413, 429, 500, 502, and timeout responses with concrete checks for handlers and reverse proxies.
7 min read
alternatives
Alternatives
Honest comparisons. Use the other tool when it is the better fit.
When to Use an Inspector with Local History
Use IndexedDB history and a 24-hour encrypted share when you need the last events on your machine. Not a public bin, not a compliance log.
5 min read
RequestBin Alternative Without Storing Payloads
RequestBin stores captured HTTP on a server. Compare history, signup, localhost, and 1-to-N, plus when a stored bin is better.
5 min read
smee.io Alternative Without a GitHub-Only Relay
smee.io is a GitHub webhook relay. Compare history, signup, localhost, and 1-to-N, then pick the tool that matches the job.
5 min read
webhook.site Alternative for Local Webhook Testing
Compare webhook.site with a no-history inspector and a localhost CLI. Use webhook.site when a public shareable bin is the job.
5 min read
integrations
Test in your stack
One page per tool. Zapier, Make, n8n, and agents. Paste a URL, fire a sample, read the request.
What JSON Is Your n8n Workflow Actually Sending?
See the exact JSON n8n builds from {{ $json }} mappings. Paste an inspector URL, run the workflow, and read nested fields, nulls, and arrays.
5 min read
How to Test Webhooks from ChatGPT
Point a Custom GPT Action or an OpenAI webhook at an inspector URL to see the real method, headers, and JSON ChatGPT or OpenAI sends.
5 min read
How to Test Webhooks in Claude
Use Claude Code or Claude Desktop with OpenWebhook MCP: print an inspect URL, watch, and read the next request in the chat. No account for the first run.
5 min read
How to Test Webhooks in Cursor
Add OpenWebhook MCP in Cursor, ask for an inspect URL, watch the stream, and read the next webhook in the agent chat. No account required to start.
5 min read
How to Test Webhooks in Make
Inspect the HTTP Make sends with the HTTP module. Custom webhook is Make’s inbox; use an inspector URL when Make is the sender.
5 min read
How to Test Webhooks in n8n
Inspect HTTP Request output from n8n, or craft the POST you will send to a Webhook node. Test and production URLs are not the same.
5 min read
How to Test Webhooks in Pabbly Connect
See the request Pabbly Connect sends: webhook action or API step, paste an inspector URL, capture method, headers, and JSON.
5 min read
How to Test Webhooks in Zapier
See the exact HTTP Zapier sends: Webhooks by Zapier POST, paste an inspector URL, test the action, and read method, headers, and body.
5 min read
howto
How to test
Inspector, CLI, and MCP workflows. No account for the first run.
Inspect Webhook Headers and Payload in One Minute
Open the inspector, send one curl, and read method, path, headers, and body. A sixty-second first request with no account or install.
4 min read
Receive a Webhook on Localhost Without an Account
Forward a public HTTPS webhook to 127.0.0.1 with the OpenWebhook CLI. No signup, no tunnel. The first URL expires in 24 hours.
5 min read
From a Captured Webhook to a Test in Cursor or Claude
Capture a webhook with OpenWebhook MCP, then have Cursor or Claude write a test from the raw headers and body. Do not JSON.parse before verifying.
6 min read
Customize the HTTP Response of a Webhook Endpoint
Change the HTTP status and JSON body a custom OpenWebhook endpoint returns so you can test provider retries, errors, and accepted responses.
5 min read
Forward Webhooks to Localhost with the OpenWebhook CLI
Install the public openwebhook CLI and forward an anonymous or permanent webhook URL to 127.0.0.1 without a tunnel or signup.
6 min read
Replay a Webhook and Resend It to HTTPS Forwards
Edit a captured webhook body and resend it to your OpenWebhook Pro forwarding destinations without asking the provider to fire the event again.
5 min read
OpenWebhook MCP Tools for Cursor and Claude
Reference for OpenWebhook MCP tools: url.inspect, watch.start, and watch.wait. Cursor and Claude setup lives on dedicated pages.
6 min read
What Is a Webhook? A Practical Guide for Developers
Understand how webhooks work, how they differ from polling, and how to receive and verify webhook requests with practical HTTP examples.
7 min read
How to Test Webhooks Online Without Installing Anything
Inspect webhooks in a browser with no install, or forward them to localhost with the CLI. No account is required for the first run.
6 min read
Webhook Debugging Checklist for Developers
A systematic checklist for finding missing webhooks, signature failures, timeouts, duplicate events, and payload parsing problems.
8 min read
ready to test?
Open the inspectorGet a live webhook URL instantly
Free. The inspector needs no install. The CLI and MCP start without an account.
