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why transaction key is invalid?

I have a payment form that users the AIM method to post to Auth.net via PHP. It works great right up to the moment that Transaction key don't work. I have get error message ---- AuthorizeNet Error: Response Code: 3 Response Subcode: 1 Response Reason Code: 103 Response Reason Text: This transaction cannot be accepted. I get the reason from guides API. The transaction key is invalid. I set up the new transaction key and make it work. I want to know why transaction key is invalid. Thanks.

Jean
Member
1 REPLY 1

Thios probably indicates a coding issue somewhere. Can't really say more then that without seeing some code.


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John Conde :: Certified Authorize.Net Developer (Brainyminds) :: Official Authorize.Net Blogger

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