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.

x_line_item= (270) line item 1 is invalid. Solved Locked

Hello- I am trying to follow the instructions I found online in terms of formatting with delimiters and am getting the above error with the following syntax. $lineItem = "x_line_item=item1<|>home3<|>Basic (Reuse)<|>$29.99<|>Y&x_line_item=item2<|>4<|>...

ARB API - lookup subscription's resulting transaction id

I am sure this has been asked before... but I really need this functionality. I have a database listed with subscriptions, their info and subscriber ID's from successfulARBCreateSubscriptionRequest's. I would like to be able and run queries every day...


How many days in an month? Solved

How many days equals 1 month? For example: Is a length and interval of 28 days the same as the length and interval of 1 month? The reason why I ask is because I need to determine the maximum durration from all of the various subscriptions in a databa...


Login ID is viewable in source code in hidden fields? Locked

Hi, I'm relatively new to, so forgive me if I'm missing something obvious here. I'm currently working on a SIM integration. Everything seems to be working fine, but the loginID I'm using is viewable in the page source (when the page is ...


Multiple API Login IDs Locked

This has probably been asked before. I did search, but didn't find anything, although I may not have searched for the right terms. I do apologize if this has been asked before. Is it possible to have multiple API login IDs? One with lesser privileges...


CC expiration Date question Solved

HelloI am using AIM SDK to test simple transaction. I have noticed that transaction is approved even with incorrect expiration date for CC. Am I missing something? Below is a snippet of code I am using. when I run the application I use a valid CC num...

ARB Status Confirmation.

I haev few question : 1. What will be the subscription status when a subscription is charged successfully on Subscription end date? 2. When subscription status becomes expired? ThanksBhoomika


Direct Post Method samples don't work Locked

Hi, I followed the instructions in the "Integration Payments into your site in 15 minutes or less" page for C# MVC and it doesn't work as indicated. Granted, I'm new to MVC. But if you are going to post an example that requires a certain level of pre...

How to use Direct Post Method with Python? (custom code?) Solved

I just saw the email for the new Direct Post Method, and it looks really interesting (esp. due to customizable checkout flow & no PCI hassles). But the SDK is not available for Python yet. Is there a python library available that I somehow missed? If...


DPM - Security Code Error Locked

I'm trying to implement DPM. The .NET SDK is made for MVC and I have a webform site. It looks like DPM and SIM are pretty much the same except that the payment form is on my site and is posting directly to the payment gateway. So, I created a payment...

Questions about new Reporting API Locked

I'm looking for a way to run a nightly settlement report via an API, but the new reporting options seem to only allow me to query the results of a Batch or a specific transaction. What I'd like to be able to do is get the data for all transactions wi...


Merchant Email Receipt without product details Locked

Hi, We recieved mail from but there is no products in the mail and under "SECURITY STATEMENT" mentioned that [It is not recommended that you ship product(s) or otherwise grant servicesrelying solely upon this e-mail receipt.] . The mail...

Any way to export data from CIM? Locked

Hi, I need to export our customer data from CIM as we're looking to change our recurring billing provider. Ultimately we'll still be using, but we were using Chargify as an additional layer to handle dunning emails and such. To import i...

Trusted Contributor

AVS checking Solved Locked

On one of our company websites, we have a customer who repeatedly tries to order an item, and only gets the AVS correct on the 5th attempt. This situation has happenend numerous times now. We have recieved a number of emails from him saying that for ...

How to implement a "Review Order" feature Solved

I have been searching trying to find information about best practices around storing transient credit card data. My use case is as follows: After clicking "Checkout" in the cart to begin the checkout process, users enter their shipping address, billi...

(270) Line item 1 is invalid. Locked

I am getting an error everytime i try to purchase anything off of my website. I am using EShop for Wordpress. The error is (270) Line item 1 is invalid. Any help would be appreciated. The website is

Error w/processing transacion — Please Help Locked

Recently out of the blue (I didn't make any changes) my customers have been getting this error message when submitting their info: (97) This transaction cannot be accepted. So I went on the chat ant they told me to enter my x_fp_timestamp on this web...


Authorization reversals - no changes needed? Locked

I have decided that I will not support partial authorizations and balance response transactions for now. I am not sure if I need to change anything in my shopping carts integration with Authorize,net (SIM) to support authorization reversals. Here are...


Getting charged for AUTH_ONLY transaction? Solved

I'm trying to write code to validate that a credit card is valid, but the credit card shouldn't be charged for doing this check. In the code I have the x_type set to AUTH_ONLY and the x_amount set to .01. Even though I have an amount set, why is it c...

How to do Authorization Reversals? Locked

So as everyone knows, a void and an AVS mismatch can cause funds to get held on a customer's credit card for up to seven days. I read in the AIM guide there is a response code for x_reversal field but there is no documentation I have found that docum...

CIM vs ARB (again) - double checking the limitations of each

I haven't yet found in the forums or documentation where this is verified. First, my problem: I am working on a website that offers a number of different subscription options, and a user can have multiple different subscriptions at the same time, and...

ARB Subscriptions and refunds

I am developing the payment sections of my website at the moment. I am going to be using ARB subscriptions for members. Members can upgrade their accounts at any point during there current membership. My question is, if a member changes their subscri...


ASP.NET ARB Sample Code

Is the sample code set to work in Visual Web Developer Express 2008? I downloaded the sample code from Authorize,Net for ARB VB.NET. I extracted the compressed file. I opened VBNet (Microsoft Visual Studio Solutions) in Visual Web Developer Express 2...


how can we do multiple captures against a single auth ?

Hello, sometimes we have orders that have multiple items that ship at different times and we want to be able to capture funds against the original auth each time an item ships. e.g. Joe orders 2 books.Book 1 for $4.00 and Book 2 for $6.00.We Auth Joe...