/card/purchase comes back with
status: "pending".
Request
string
required
The buyer’s email. Verification is keyed to it, so use the same address you pass
to
/card/purchase.Response
string
Token to hand to the identity widget. Short-lived - fetch it when you are about to
mount the widget, not in advance.
string
The applicant’s identifier in the identity provider’s system.
After the buyer submits, verification is not instant.
/card/purchase keeps
returning pending while it is under review, which is a normal state and not an
error. Poll it rather than blocking the buyer on a spinner.