API reference/Auth
Apple's return to the API
POST
/v1/auth/apple/callback
Apple posts the result here; the API redirects to the sign-in's return_to.
Cookies
__Host-oauthstring
Set by the start endpoint
Body
application/x-www-form-urlencoded
Responses
errors: application/problem+json
Match errors on the problem's code, which stays the same, not on its message.