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Merchant Support

Toll-Free Phone:
(877) 447-3938

Support Hours:
24x7
(Closed major holidays)


Reseller Support

Toll-Free Phone:
(888) 437-0481

Support Hours:
M–F: 6 AM – 5 PM PDT
(Closed major holidays)


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Toll-Free Phone:
(866) 682-4131

Support Hours:
M–F: 6 AM – 5 PM PDT
(Closed major holidays)


Corporate Offices

Authorize.Net (Utah)
P.O. Box 947
American Fork, UT 84003-0947
Tel: 801.492.6450
Fax: 801.492.6489

Authorize.Net Answers

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Pages: 27 - [ Previous | 1 2 3 4 5 627 | Next ]
  ID Title Views Posted descending
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A1433 Can the auth reversal be made several days after the original authorization request? 5,787 Jun 15, 2012
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A1432 What do I need to do to support the Partial Authorization Mandate? 8,283 Jun 15, 2012
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A1431 When will Authorize.Net and my processor support the Partial Authorization Mandate requirements? 4,824 Jun 15, 2012
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A1430 Which payment card types does the Partial Authorization Mandate impact? 5,755 Jun 15, 2012
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A1429 Must merchants support Partial Approval, Authorization Reversal, or Balance Response? 6,072 Jun 15, 2012
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A1419 What is the Luhn Mod 10 Algorithm? 10,460 Jan 30, 2012
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A1412 How can I change the billing method of my Authorize.Net account to be a credit card or bank account? 6,688 Dec 6, 2011
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A1410 How do I find the version of the Web browser I am using? 9,658 Nov 11, 2011
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A465 How can I edit Bank Account Billing Information for my Payment Gateway Account? 21,812 Jun 7, 2011
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A68 Why did I receive a Payment Gateway Account Password Update email? 8,834 Apr 28, 2011
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A659 How do I create a new Automated Recurring Billing (ARB) subscription? 14,991 Apr 28, 2011
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A1376 Why does the PHP Direct Post Method SDK return a syntax error on line 8? 8,493 Apr 28, 2011
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A852 Error 103: This transaction cannot be accepted. 39,011 Apr 4, 2011
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A840 How do I Specify Which Fields will be Included in the Uploaded Batch File? 5,156 Feb 25, 2011
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A844 What is the Authorize.Net Account Activation Guide? 7,156 Feb 25, 2011
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