webhook-testing
Webhook.site is great for one-off inspection. If you actually need to mock a third-party API, replay captured webhooks into your handler, or drive your testing from an AI agent — you'll outgrow it fast. Here's a side-by-side.
mcp
Most webhook testing tools were built for humans clicking around a web UI. Some of them now expose an MCP server so AI coding agents can drive the whole workflow. Here's the 2026 state of the market.
mock-api
Spin up a public mock API endpoint that returns canned responses in 60 seconds. No backend, no install, no credit card. Includes a side-by-side comparison with running your own Express stub.
webhook-testing
Burp Collaborator is powerful but expensive ($449/yr) and overkill for webhook testing. Here are 5 lighter, cheaper alternatives — compared side by side.