This question pertains to StackExchange API.
§
1) Does usage of this api endpoint count towards api call quota? (The most promising api call I found for verifying the validity of an access_token)
(I'm doing user authentication, not StackExchange api calls.)
My application's cache acts as the first level for checking whether a user is still logged in, but when a call slips through, it has to hit some api call on stackexchange api to verify whether the token is still valid.
2) Which gets me to my second question:
Is there a purpose-built endpoint just for verifying the validity of an access_token? GitHub apparently has:
#check-an-authorization ("OAuth applications can use a special API method for checking OAuth token validity without running afoul of normal rate limits for failed login attempts")