Hello,
My POS winform send total due ($247.50 to clover mini). Clover mini charge $222.05 from the card. and send message that it collect $222.05 to my POS. because the card have only $222.05 available fund.
it not enough fund to cover the transaction why clover not declined transaction?
That wouldn't be desirable in all situations so we leave it up to the POS. Your POS must handle partial authorizations and that is a test flow that our developer relations team tests before approving your application in production.
You should be comparing the amount on the payment request to the amount on the payment response. If the requested amount is larger you should notify the merchant and then you have two options:
1) Initiate a void.
2) Initiate a new payment for the difference.
You can use the partial authorization card number via a manual transaction to test the flow on your POS - https://docs.clover.com/docs/test-card-numbers.
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