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Mockbin vs Webhook.site: catalog facts
Mockbin	Webhook.site
Free Free and open source, with no sign-up.	Freemium Free temporary URLs with a request limit; paid accounts keep URLs, remove limits and run…
Web	Web
Custom status, headers and body for a mock endpoint Generates mocks from an OpenAPI 3.x document	Captures HTTP requests, emails and DNS lookups Shows headers, body, IP and size for each request
Fixed responses rather than programmable logic Losing browser storage loses the list of your bins	Free URLs expire and accept a limited number of requests Workflows and permanent URLs require a paid upgrade
Web application	Web application, Hosted service
Open source	Closed source
License not stated	License not stated
No account needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.