Integration and Testing

Authorize.Net API questions and help with your payment integration.

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Recorded Developer Webinars Pinned

Please find the links of our recorded developer Webinars Simplify PCI Compliance with Authorize.Net Accept Learn about Authorize.Net API Integration with OAuth 2.0 Creating Automated Workflows Using Authorize.Net Webhooks Thanks Anurag


API / Features documentation Pinned

Use the features you want to build the payment solution you need. You'll be up and running in minutes. Features : SDKS : API reference :


Use Try It Tab for testing APIs on sandbox Pinned

You can test APIs from our Try it Tab in API reference on sandbox without signup Click on the Try it tab and click send .


Use Testing Guide for Specific Transaction Responses Pinned

Using the Testing Guide, developers can trigger specific transaction responses in the sandbox including approvals, declines, errors, as well as AVS and Card Code responses. If you have questions or comments, please use this thread.

Response returning empty

I am checking from my local serverPreviously it is working fine suddenly it stooped working, can i know where i am going wrongcancelSubscription($subscriptionId);print_r($response);?> O/p : AuthorizeNetARB_Response Object ( [xml] => [response] => )

Automated Pre-auth for amount greater than the transaction?

Hey everyone, I'm quite a beginner at Authorize.Net and I'm currently configuring it to work with a WooCommerce Wordpress site. I need to be able to automatically pre-authroize an amount greater than the order the customer submits online because ship...

c# dll strong name and version number

Hello, Is there any strong name version for dll?And dll also doesn't have version number (only How should I get dll with strong name and version number? Thank you

Regular Contributor


We noticed as of yesterday that the access to the test environment is no longer working. We use the CIM API over SOAP, so the service proxy points to This is the error reported: An error occurred wh...

TLS1.2 Issue with Authorize.Net Nuget Package

Hi, Our .Net Code base is set up to target .Net 4.6.2 which supports TLS1.2 by default. We are using the AuthorizeNet Nuget Package 1.9.2 (latest) to communicate with Authorize.Net. I believe the Nuget package is not yet upgraded to support TLS1.2. T...

TLS 1.2 Issue - in Classic ASP environment

I manage a few sites that still use Classic ASP.The method of connection is via a MSXML2 component pointing to there a simple change i can make in this code somewhere (see below), to test via the sa...

origin of iframe communicator messages

I'm concerned with validating messages received via the IFrameCommunicator method. What event.origin should we be looking for on messages from the Accept Hosted form?

Getting error after transaction is complete from

Hi, We have been getting this error for some time now. The orders still go through but after the end user leaves the page after finishing their order it redirects and shows this error: Fatal error: Call to undefined method Redis_Object_...

Accept.js - duplicate detection and CVV code Solved

We have encountered a problem in the sandbox and live gateway that the CVV code does not work as expected regarding duplicate transaction checking. If a customer enters an invalid CVV code and submits the payment, the attempt is declined as expected ...

Accept.js - proper method for AVS support Solved

How is an integrator supposed to enable AVS support with Accept.js? It is our understanding that it is not advisable to pass data collected in the Accept.js form to the payment details in the 'authCaptureTransaction' message. We see that the zip code...

Unknown SSL protocol sandbox SSL false

Hi all, I got this error when proccess a payment: public $post_url = ""; There was an error processing the transaction. Here is the error message: exception 'AuthnetCIMException' with message 'Connection error:...

Request fails in Sandbox, but succeeds in Production

I have a PHP script that was working in the Sandbox and I took some time off, and now when I run my code it fails. What is strange is that the exact same code works in both Test and Live in my Production account. I checked my API Login ID and created...

Errors on Hosted Payment via browser vs terminal

I've followed the instructions on the readme to get the integration setup and tested in the first instance. When I run `php PaymentTransactions/get-an-accept-payment-page.php` via terminal, I get a response string. When I try and run it via a web bro...

Sandbox URL to test TLS Update

I just turned our software into testing mode and processed a transaction which sent it to that it was successful. This is the sandbox URL correct so we will be good when TSL is disabled?


Important TLS Disablement Notice Solved

Hi, I received an email about "Important TLS Disablement Notice" and wanted to double check who this affect. This is something that only affects customer that are connecting to from theirs servers using for example the Advanced Integrati...


Accept.js error E_WC_14:Accept.js encryption failed

Starting a new thread on this, per Aaron's instructions from here... We have customers reporting this error app...

Cardholder Authentication extraOptions invalid error Solved

Hi, I've enabled cardholder authentication (verified by visa and mastercard securecode) in the sandbox account. But whenever I send a auth_charge transaction it gave me error: Error E00013 Extra Options is invalid. Below is the request I sent ... Sandbox connection issues Solved

Hi Everyone, I've been using the sandbox for awhile now, and I recently ran into a problem where I cannot process test transactions using I have my correct transaction ID and key, but I g...


Library is not coming from Accept CDN

I am trying to implement payments with a web application, after Square's technology not being compatible with the W3C Shadow DOM spec. When trying to initialize the accept.js script within a web component I get the following error: Libr...

TLS Server 2003

I'm looking for some advice on the TLS 1.0 issue. I'm currenlty running Windows Server 2003 (don't ask) and can't see moving off of it completely by the new Sept 2017 Authorize.Net deadline for TLS 1.0. What I need direction on is utilizing an Author...