QUOTE_EXPIRED

The quote presented with the payment has expired.

HTTP status	409
Group	Pricing and purchase
Retryable	No — sending it again changes nothing

What happened

Quotes are short-lived so a price cannot be held open across a tariff change.

What to do

Request a fresh quote and pay against that one.

The problem document

Every error is application/problem+json (RFC 9457) with the same shape:

{
  "type": "https://docs.co-relayer.com/errors/quote-expired",
  "title": "The quote presented with the payment has expired.",
  "status": 409,
  "detail": "A sentence about this specific occurrence.",
  "instance": "req_01JB…",
  "code": "QUOTE_EXPIRED",
  "retryable": false,
  "hint": "Request a fresh quote and pay against that one."
}

See the error model for what each member means and how to handle unknown codes.