Can You Still Call an API RESTful Without Every Rule?

cloudmato.com — Mon, 08 Jun 2026 00:03:37 +0530

Everyone slaps “RESTful” on their API. Open any docs page, scroll the marketing copy, and there it is — “our clean, RESTful API.” But here’s the uncomfortable bit: by the strict definition, almost none of them actually are. So the question you’re really asking is whether the word still means anything if you break some of the rules. Honestly, that’s where it gets tricky.

Short answer first, because I hate articles that bury it: yes, you can still call it RESTful in everyday conversation, but no, it isn’t a REST API by Roy Fielding’s original definition unless it’s hypertext-driven. Both of those things are true at the same time, and the gap between them is the whole story.

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Can You Still Call an API RESTful Without Every Rule?