Refund retries occasionally double-charge merchants. Three key shapes are on the table — pick the one we ship to production this quarter.
Picked
(a) refund_id + attempt_seq — stable across the same logical retry
api design
1 brief on api-design.
1 brief on api-design.
Refund retries occasionally double-charge merchants. Three key shapes are on the table — pick the one we ship to production this quarter.