205 Reset Content

The request succeeded, and the client should reset what sent it, such as clearing a form.

Class
2xx Successful. The request was received, understood and accepted.
Registered
Yes, in the IANA HTTP status code registry.
Cacheable by default
No. A cache stores it only when Cache-Control or Expires says to.
References
RFC 9110 ยง15.3.6 · MDN

Every 2xx code

All HTTP status codes, in one table