PRICE_ABOVE_MAX

The price at execution time is above the maximum you signed for.

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

What happened

Every purchase carries a max_price; the tariff moved between quote and execution.

What to do

Re-quote and sign a purchase with a current max_price.

The problem document

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

{
  "type": "https://docs.co-relayer.com/errors/price-above-max",
  "title": "The price at execution time is above the maximum you signed for.",
  "status": 409,
  "detail": "A sentence about this specific occurrence.",
  "instance": "req_01JB…",
  "code": "PRICE_ABOVE_MAX",
  "retryable": false,
  "hint": "Re-quote and sign a purchase with a current `max_price`."
}

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