Webhook Guides & Resources

Everything you need to receive, test, secure, transform and route webhooks — plus tutorials for the providers and destinations you actually use.

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Webhook fundamentals

Start here if you are new to webhooks.

What is a Webhook?Definition, examples and how to set one up.Webhooks vs APIPush vs pull, and when to use each.What is a Webhook Gateway?The managed layer between producers and your services.

Drive webhooks from AI agents (Skills & MCP)

Let Claude, Cursor and other agents forward, transform and debug webhooks — install the open-source Skills or connect over MCP.

Agent SkillsInstall with npx skills add webhookrelay/skills.MCP ServerTyped tools for buckets, logs and transform functions.Skills on GitHubgithub.com/webhookrelay/skills — browse & contribute.skills.sh CLIThe open-source CLI to install the skills — with an example.Webhook Bin MCPCreate bins, inspect requests & run transforms from your agent.

CI/CD — trigger Jenkins & more

Receive SCM webhooks on build servers behind a firewall or without a public IP.

Jenkins PluginNative plugin: GitHub/GitLab/Bitbucket webhooks without exposing Jenkins.Jenkins + GitHub (CLI)Forward GitHub webhooks to Jenkins with the relay agent.Jenkins + Bitbucket (CLI)Forward Bitbucket webhooks to Jenkins with the relay agent.Kubernetes OperatorManage tunnels and forwarding from Kubernetes.Terraform AtlantisDrive Atlantis plan/apply from VCS webhooks.

Test & debug webhooks

How to Test WebhooksInspect, forward to localhost, replay.How to Debug WebhooksWhy deliveries fail and how to fix them.Free Webhook TesterInstant URL to inspect requests in your browser.HMAC Generator & VerifierCompute and check webhook signatures.

Secure & reliable webhooks

Webhook Security Best PracticesThe full checklist.Verify a Webhook SignatureHMAC/SHA256, per provider.Webhook Authentication MethodsHMAC, tokens, mTLS, IP allow-listing.Retries & IdempotencyHandle failures and duplicates safely.

Compare webhook & tunnel tools

Honest comparisons with the alternatives.

ngrok alternative Hookdeck alternative Svix alternative Pipedream alternative Zapier webhooks alternative Cloudflare Tunnel alternative webhook.site alternative RequestBin alternative Beeceptor alternative smee.io alternative Convoy alternative localtunnel alternative expose.dev alternative

Receive provider webhooks on localhost

Test real webhooks against your local code, no deploy needed.

Test provider webhooks online

Capture and inspect real provider payloads in your browser with a free webhook tester URL.

Route webhooks anywhere

Transform and forward webhooks to the destinations you use.