---
title: Authorize.net ACH Configuration
slug: authorizenet-ach-configuration
icon: 📃
docTags: 
createdAt: 2025-06-14T18:14:23.273Z
---

### Generating a new Signature Key 

Authorize.Net announced that they are upgrading a security feature currently used in the Gravity Integration. The MD5-Hash used for transaction response verification is being replaced by a SHA-512 utilizing a Signature Key. In order to continue using the Gravity integration with Authorize.Net, you must make this update using the following workflow. To generate your Signature Key: 

1. Log into the Merchant Interface at https\://account.authorize.net.
2. Click Account from the main toolbar.
3. Click Settings in the main left-side menu.
4.  Click API Credentials & Keys.
5. Select New Signature Key.
6. Click Submit to continue.
7. Request and enter PIN for verification. 

Your new Signature Key is displayed. To enter your Signature Key into your Gravity account: 



![](https://api.archbee.com/api/optimize/X2aA_MKMIQid52VOc-G4k/y0hobGrDvTTE2lkQqhPAK_image.png)

1. Log in to your Gravity portal at your unique URL. 
2. Click System Settings > System >Entity Configuration 
3. Click on the Revenue tab and scroll down to ACH DETAILS. 
4. Enter your new Signature Key in the ACH Merchant ID field. 
5. Navigate to Account > Security Settings > API Credentials & Keys in your Authorize.net portal. Copy and paste your API Login ID in the ACH Api Login field. 
6. ACH Transaction Key
   1. If you have an existing Authorize.net account: Navigate to Account > Security Settings > API Credentials & Keys in your Authorize.net portal. Copy and paste the transaction key in the ACH Transaction Key field. 
   2. If you have a new Authorize.net account: Navigate to Account > Security Settings > API Credentials & Keys in your Authorize.net portal. Enter a value for the transaction key. Copy and paste the transaction key in the ACH Transaction Key field. 
7. In the ACH Trasnaction Password paste the ACG Transaction Key (Same as #6)