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Asked: 2026-06-06T15:04:29+00:00

I’m meeting some problem understanding how my current Payment Gateway( ProcessPink ) identify duplicate

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I’m meeting some problem understanding how my current Payment Gateway(ProcessPink) identify duplicate transactions. The “document man” says:

If there are 2 transactions for the same credit card, with the same
amount happen within 20 minutes, then they would be considered
duplicate. An error would be returned.

Personally I think this is a too-simple technique, which prevent our customers issue 2 orders: for example, there are 2 things with the same price in our online store, how can I tell that people should wait 20 minutes before trying to buy the second one?

Here’s my questions:

1) Is this a popular practice for payment gateway? Or is there any alternative?

2) How can I work around this problem? I have thought of a shopping cart, but it doesn’t fit my context. In short, my application need to perform 2 or more separate transactions (from the same card and with the same amount) within 20 minutes.

Any help would be appreciated.

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1 Answer

  1. Editorial Team

    1. Yes, but usually the time window is smaller and adjustable. Authorize.Net’s is 3 minutes by default and you can change that with a parameter during the transaction.

    2. Do an authorization only on the second purchase and then capture it after 20 minutes. It’s a pain in the butt to set up and do but I can’t see any other user-friendly way around this.

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