Getting an HTTP 405 Error - What's the Best Way to Fix It? or HTTP 405 Error: Why Is My Request Metho

http 405 error usually means the server knows the endpoint but won’t take your method.

Quick thing: are you *sure* the endpoint supports POST? Some APIs have separate URLs for GET vs. POST.

Also, if you’re using fetch/Axios, check for accidental preflight OPTIONS requests messing things up. CORS can be sneaky.