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Asked: 2026-05-11T04:05:09+00:00

I am working on the billing component of a Ruby on Rails application using

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I am working on the billing component of a Ruby on Rails application using ActiveMerchant. The payment gateway we have chosen is PaymentExpress.

Code examples I am seeing such as the one below, use authorize() and void() to test the validity of a card:

def test_card!   auth_response = gateway.authorize(100, card)   gateway.void(auth_response.authorization) if auth_response.success?   raise AuthorizationFailed.new(auth_response) unless auth_response.success? end

However, PaymentExpress does not support the void action. Is there an alternate way to perform this authorisation action, or is it OK to leave out the void action, considering gateways such as PaymentExpress expire the authorisation request after 7 days?

I can find no mention of voiding an authorisation in the documentation or Google, nor can I find any indication of how important it is.

Some help?

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1 Answer

  1. It turns out that at least with PaymentExpress, they automatically do an authorisation action as part of their card storing process. If the authorisation fails, it simply won’t store the card, returning ‘INVALID CARD’ instead. This is seen in their transaction search web app — when storing cards, $1.00 is authorised on the card, and invalidated automatically a week later.

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