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.

C# SDK Update - What version and where is it? Locked

This blog post: that 1.5? For me, 1.5 is not correcting the null problem. I see no other download link. Please specify what version it is fixed in...

C# DLL - Please embed version number

Currently, the DLL shows no version number in Visual Studio. This is annoying when you are trying to confirm you have the correct version in the project. Thanks!


CIM - Recommended time to run createCustomerProfileRequest Solved Locked

Hi, reading through the CIM XML dev guide, one of the first steps it lists is running createCustomerProfileRequest to create an empty profile on am just a little torn and confused as to when the best time to run this would be... On ou...

Processing a refund on a card present transaction

We are using AIM and I can issue refunds just fine with payments made over our website, but we are now adding in for our card present transactions. Is there something different you have to do for a card present? Below is the data we are submitting an...

Reauthorize Credit Card Locked

I have 2 customers requesting a solution for the following situation. Both manufacturers offer Advanced Exchange. Customers may opt to receive a replacementunit prior to returning the defective unit. This is an important customer satisfaction feature...


ARB Best Practices? Locked

Hello, I was wondering if I could get some guidance regarding best practices for recurring billing. Let's say you have a monthlysubscription site. You add the ARB subscription to and everything is good there. How internally on your site do y...

Partial Auth Refunds (credit tx type) Locked

I just finished implementing partial authorizations, however I need to know what modifications I need to make to our "refunding" scripts. - Can I preform a "CREDIT" based on a split tender ID and have decide which card to refund what a...

Partial payment: Second transaction always returns transaction id 0 Solved Locked

We modified our code using to allow for one partial payment (one template that handles the initial payment, and another one that handles the second, if necessary). All went well in testing, but now that we're live we can't get the secon...


Test account - Settled Transactions Locked

Hello, I have a test account on And i try to implement authorize for my futur webshop. I made some transactions but they are all "Unsettled".I wanted to know when Unsettled transaction become Settle.Because If I'm right i ...

Help with Ebay Locked

I have my API numbers, but can't seem to get it working with ebay. Any suggestions? Thanks- Lisa

Rebill using API

I am wondering if there is an API for rebilling. We charge our customers in two steps:When the order is placed we charge the customers automatically for a portion of the total amount and once the order is complete we manually rebill the remain balanc...


Description field data not showing up Locked

Using AIM, I've tried the test code, I've tried my own stripped down code. Here is one my trials using the SDK: AuthorizeNet.Gateway gate = new AuthorizeNet.Gateway("***", "***", false);AuthorizeNet.AuthorizationRequest req = new AuthorizeNet.Authori...


What are the salient differences between SIM and DPM?? Locked

Which one is more appropriate for accepting donations on a website and being SAQ-A compliant vs. SAQ-C compliant?? Does SIM work with ARB?? Authnet support says DPM doesn't work with ARB. The API comparison isn't sufficiently detailed... Thank you, T...

Transaction decline but creats an ARB subscription Locked

Hi,When I make a transaction on live account with test credit card then it works fine and decline the transaction but it makesan ARB subscription, how it's possible? If it decline the transaction then it also decline the ARB subscription with live ac...

Integration Locked

Hi friend, i'm new to this web site. But i need a help how to integrate Authorize .Net Payment Gateway to my existing web application... it's.......................... very urgent.................. thanks,


How do I test Voiding an Authorization? Locked

I'm working on the test server and I've got AUTH_CAPTURE working just fine, as well as AUTH_ONLY. It just gives me back the basic transaction ID of 0 for all these test transactions, though. I'd like to test VOID now but I keep getting back an error ...

Is this a hash issue? Locked

Hi,I'd like to preface everything I say with this: I'm a complete newbie at (and know enough PHP to get myself in trouble), and that I've checked the forums and the appropriate API manual (SIM). Thus far, when testing out the PHP sample...

Removing Shipping Section input fields from payment form Locked

I am using the SIM method. The 'x_show_form' is set to "PAYMENT_FORM". The payment form has a Shipping Information section.. I do not need this section.. How do I removed this section from the form...


Add reference in expression web? Locked

Has anyone used expression web as their main web development tool? If so, does anyone know how to add a reference to AuthorizeNet.dll in expression web?If this is impossible (as everything has been thus far) can you give me an alternative solution?

SSL and AIM on a non-web based client Solved Locked

I am developing a credit card app that runs from a financial software package. This is business software and is not a web based product. I know that an SSL certificate is required (at least highly recommended) when using AIM, and I have no problem th...

Partial Capture Locked

Is there a facility to partially capture a transaction. Say I have authorized for $100. But I want to now partially capture for $50 and other $50 at later date. Is this possible for the same authorization. We are using AuthNet CIM for this. After rea...


Using the SDK for ARB .NET Locked

Hello, Has anyone successfully implemented ARB using the SDK for .NET? I haven't been able to find any code examples. I have somehow mucked my way through and I am able to create a subscription using the SDK however, I am not able to post Invoice #, ...

x_invoice_num - Where does it go in reporting? Locked

Hi, I'm setting x_invoice_num at the time of authorization, but my customer is complaining that he cannot see this invoice number in the reporting. Where can the merchant see this number in the merchant reporting? Thanks in advance for any help! --An...

Partial Capture - How to return the remainder? Locked

This is a very complete forum with lots of examples. I have found myself learning many new things. Thanks! We are hoping that we are already compliant with the new Partial Auth regulations, but I cannot find a forum topic which hits our exact situati...

Retrieve XML using CIM SDK Locked

Is there a way to retrieve the response XML from the CustomerGateway object of the CIM SDK after a transactions has occurred?