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Webhook.site vs Mockbin: catalog facts
Webhook.site	Mockbin
Freemium Free temporary URLs with a request limit; paid accounts keep URLs, remove limits and run…	Free Free and open source, with no sign-up.
Web	Web
Captures HTTP requests, emails and DNS lookups Shows headers, body, IP and size for each request	Custom status, headers and body for a mock endpoint Generates mocks from an OpenAPI 3.x document
Free URLs expire and accept a limited number of requests Workflows and permanent URLs require a paid upgrade	Fixed responses rather than programmable logic Losing browser storage loses the list of your bins
Web application, Hosted service	Web application
Closed source	Open 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.