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(877) 447-3938

Support Hours:
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(Closed major holidays)


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Toll-Free Phone:
(888) 437-0481

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


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(866) 682-4131

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(Closed major holidays)


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

Authorize.Net Answers

Category: Server Integration Method (SIM)
Pages: 3 - [ 1 2 3 | Next ]
  ID ascending Title Views Posted
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A1376 Why does the PHP Direct Post Method SDK return a syntax error on line 8? 17,825 Apr 28, 2011
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A1458 Error 325: The request is missing one or more required fields. 38,497 Oct 31, 2012
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A1459 Error 326: One or more fields in the request contain invalid data. 133,484 Oct 31, 2012
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A1460 Error 327: The void request failed. Either the original transaction type does not support void, or the transaction is in the process of being settled. 29,954 Oct 31, 2012
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A1582 How can I sign up for Visa Checkout? 23,278 Jan 19, 2015
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A1662 Why does the Hosted Payment Form not use my custom HTML? 17,581 Sep 1, 2015
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A1702 What is the difference between HTTP GET and HTTP POST? 9,138 265 days ago
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A1706 Do I need to upgrade my transaction fingerprint from HMAC-MD5 to HMAC-SHA512, and how? 5,684 246 days ago
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A273 What is Simple Checkout and how can I sign up? 19,355 Feb 25, 2011
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A413 How do I resolve a General Error? 19,595 Feb 25, 2011
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A415 Error 13: The merchant login ID or password is invalid or the account is inactive. 112,528 Feb 25, 2011
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A49 Why am I receiving a Relay Response timeout with Simple Checkout? 23,149 Feb 25, 2011
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A52 What are the Response Reason Codes returned when using the Advanced Fraud Detection Suite (AFDS)? 22,271 Feb 25, 2011
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A530 Error 312: The specified Security Code was invalid. 16,389 Feb 25, 2011
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A558 How do I add or delete Relay or Response URLs? 29,091 Feb 25, 2011
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