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.


Re: User authentication failed due to invalid authentication values.

Dear Sir, I'm a mvc developer and i'm deploying to client website. When I'm going to transaction it shows the error "Response Text: User authentication failed due to invalid authentication values." What is this issue. I used my ...

Using Accept Hosted Page IFrame / Lightbox Solved

I am trying to get the Accept Hosted Page ideally as a lightbox but I can't seem to get anywhere regarding a few things. I am not really sure what the point of the hostedPageReturnOptions are as I don't want the IFrame to "return" anywhere as it didn...

Not Getting Payment Nonce

We have tried to get Payment Nonce as defined in example in following URL but we are not getting response, we are using developer sandbox account. When we give right test credit it’s...

Weblink sundown Solved

Hi,I am currently using this URL: for my transactions.I am POSTing the params to you. As I read the developer pages, it sounds like this will continue to be supported, but no further development will...


Sandbox Internal 500 errors

Hi, We are experiencing intermittent, but a lot, of Internal 500 errors using our sandbox acount. The URL is and we are using the C# sdk-dotnet-1.9.1. We were experiencing this same issue last week in production but that ha...

SIM return to a page on my website

I am using SIM. I want the user to be directed to a page on my website when they are finished making a payment. I need the user to actually be directed back to the website. Because I need to update the database to say weither or not the payment went ...

Any way to get amount on Accept Hosted form?

I may be wrong, but I can't find a way to have the amount shown on the AcceptHosted form. I'm not using IFrame, so that may have a way, but not the other method. I have it working (in testing) to show the amount on my "cart", then when you click to g...

WEB, Business Checking, Savings Question? Solved

We are developing a Website to process eCheck's. Our customer's will be using business and personal checks. Currently, I only have WEB as the eCheckType, but after reading the eCheck Users Guide it noted that the user may choose Checking, Business Ch...

Doing a refund of CIM transaction

Hello All, I am tried to do a refund of CIM transaction as per the guidelines I am passsing via SDK. refTransIdcardNumber (Last 4 digit)ex...


AcceptHosted declined Payment

Hello,I was testing a declined payment and it was unable to make the payment after I updated the zip to no longer force a decline.Is there some process that needs to happen if the token has expired or a payment is declined for whatever reason to allo...

error in hostedPaymentReturn URL with equal sign Solved

I am trying to migrate to your new API. The problem I have is my script requires a parameter to know which area it is used in. (i.e. The problem is every time I try to use that for my return or cance...

IncompleteElementContentError Solved

I'm using what is essentially the sample code from from authorizenet import apicontractsv1 from authorizenet.apicontrollers import * from livesettings i...

eCheck Testing Doesn't Validate Account Number? Solved

I am developing a Credit Card and eCheck process to handle payments. Credit Cards are working just fine, but testing for eChecks has been perplexing to say the least. I've never been able to find an actual "Test" checking account. I've been using my ...


Default MD5 hash value if left unset in Settings

I am updating the DPM process for a legacy applicaiton where the MD5 hash value was an optional value on the merchant side. I am curious, if the MD5 hash value is never set in settings, is there a default value that is used to generate ...


Python: Charge-Credit-Card using Nonce from Accept.JS Solved

Hi All,I am looking for an example or some guidance on charging a card in python via the nonce received from Accept.JSI see within apicontractsv1.paymentType(), opagueData, which based on the xml example posted here: im guessing is where the magic ha...

Android Studio integration fails in 1000+1 ways

First I tried to integrate Authorize.Net in a simple Android Studio project.The sample code from github only has the credit charging method. I would like to implement the createCustomerProfile method, but the api sample codes are not working. What I ...


Validating eCheck.Net Account Number

Hi All, We are implementing eCheck and I wanted to confirm something becuase I can't seem to find any documentation on it - if someone has a link that explains this, that would be great! When I do an eCheck test transaction, I see it as pending and I...


Email field Null in Card Payment.

Hello Friends, Good Afternoon. Recentaly I Found a new Problem Regarding a Card Payment. I am Setting Fields "Email" in my code but i am not Seeing that in Tansaction Laog. Here is My Code: $refId = 'ref' . time(); // Create the paymen...

Webhook payload (invoice number) Solved

Hello, While testing the webhooks for authcapture created, I noticed that the original invoice number sent does not get sent back in the webhook POST -- only the new transaction ID. Is this by design? Is there a way to include the merchant invoice nu...

Does Authorize.Net work with Xamarin.Android?

I am trying to run the sample code posted on the following github link. I already signed up for the sandbox account and can confirm the posted code works when I run it through a console application. However, it will throw errors when I tried it on my...


How can I definitively ensure I'm not using WebLInk?

I know this might sound like a dumb question. But how can I be sure I'm NOT using WebLink? I've been helping a small business maintain their site for the last couple of months. I have access to all of their code, etc., but not the person who built it...


Webhooks vs Silent POST URL

Can someone please give me an idea about difference in Webhooks vs Silent POST URL ? Also if someone share a sample information which will be recieved on Webhook or Silent POST URL when ARB is triggered ?

Error validating a valid ACH Web Transaction through API

I have been using the same code for the past year or so with no issues, and have validated many transactions through the API with no issue. My script creates a payment profile, then a customer profile, and afterwards creates a recurring subscription....

Create ARB Subscription via Opaque Data (from Accept.js)

So our application is a website that is built on ASP.NET.The front end is JavaScript and the back end is C#. We are using Accept.js on the front end to create two nonce tokens (1 for the ARB sub, 1 for the 1 time transaction). I realize this might no...

NuGet package URLs / Logging

I'm using the Authorize.NET NuGet package, version 1.9.1 ( in a project. Our call to the library was modeled after the example code in the documentation of the GitHub repository (

Configuring Wordfence plugin to work with

I recently ran into an issue between the Wordfence plugin and the payment process and want to share the solution. One of the Wordfence options is “Block IPs who send POST requests with blank User-Agent and Referer". This is a very usefu...