Is there a way to check validity of a new username via the API before actually trying to register?

[Frank_Bailey]

Or alternatively is there a PHP implementation of the username rule set that anyone here knows of?

[zogstrip (Régis Hanol)]

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Reverse engineer the Discourse API

Discourse is backed by a complete JSON api. Anything you can do on the site you can also do using the JSON api. Many of the endpoints are properly documented in the discourse_api gem, however some endpoints lack documentation. To determine how to do something with the JSON API here are some steps you can follow. Example: recategorize a topic. Go to a topic and start editing a category: [image] Open Chrome dev tools, switch to the Network tab, select XHR filter: [image] Perform the op…

FTR, you want the /u/check_username endpoint

[Frank_Bailey]

That’s great! Thanks very much once again!