service_not_allowed
This merchant category code (MCC) isn't allowed for the card.
What just happened
Some cards (HSA/FSA, prepaid, business) restrict spending by category.
Retry strategy
Don't retry. Need a different card.
What to tell the customer
Your card type doesn't allow charges for this service. Please use a different card.
Recommended action
Send update-card email. Halt retries.
Want to see what this looks like on your Stripe?
See how often "service_not_allowed" hits your Stripe account in the last 30 days — and how much MRR is at risk because of it.
Related codes
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