RFC8555 has no mention of an "account resource URL", but does use the phrase "account URL" in several locations, notably section 7.3.
The server returns
this account object in a 201 (Created) response, with the account URL
in a Location header field. The account URL is used as the "kid"
value in the JWS authenticating subsequent requests by this account
RFC8555 has no mention of an "account resource URL", but does use the phrase "account URL" in several locations, notably section 7.3.