stripe_credit_failed
Stripe refused the $49 sandbox credit (ADR-0008). The local claim rolls back with the request, so the credit stays redeemable - retry rather than granting it by hand.
Problem shape
Every non-2xx response is an RFC 9457 application/problem+json body. The type URI below is stable and machine-matchable, so branch on the final path segment (the code) and treat the status as redundant confirmation. See the error-handling guide.
{
"type": "https://docs.vocapable.com/errors/stripe_credit_failed",
"title": "…",
"status": 502,
"detail": "…",
"instance": "/v1/…"
}