![Logo|250](Pasted%20image%2020240320102440.png) ## Overview National Processing's website boasts low fees and hassle free service, making them "your budget's best friend!" ChargeOver supports connecting to [National Processing](https://nationalprocessing.com/) to process your ACH payments. ## How to Connect Steps to connect National Processing and ChargeOver together are below! ### In National Processing Obtain the following details - Merchant ID - API Key - Site ID Once you've grabbed those details, we can get started. ### In ChargeOver 1. Go to your **Settings** and select ==Payment Processing== 2. Select ==Add of configure a Payment Method or Merchant Account== ![](Pasted%20image%2020240320104758.png) 1. You can use the search bar to find National Processing, then select ==Connect== ![](./nationalprocessing2-its.png) 4. Next, enter those details we grabbed earlier in their corresponding fields ![](./nationalprocessing3-zte.png) 5. Once you're done entering the credentials, make sure to select which payment methods you would like to process through National Processing 6. ==Save== your changes ## Supported merchant country This is based on where your business is located. United States. ## Common decline messages If you are unsure what a National Processing decline message means or what to do next, the most common error messages you might encounter are explained below. |Error Message|What National Processing is Trying to Tell You |Next Steps| |---|---|---| |ERR_DECLINE|National Processing told ChargeOver the payment was declined. |You or the customer should contact National Processing to discuss the reason for the decline. | |ERR_CREDENTIALS|National Processing told ChargeOver that your authentication credentials for Forte are incorrect. |You should contact National Processing and fix the credentials you use to connect to them. | |ERR_EXPIRED|National Processing told ChargeOver the credit card has expired. |You should contact the customer and ask them to provide a new payment method.| |ERR_CVV|National Processing told ChargeOver the credit card was declined due to an incorrect CVV/CVC security code. |Your customer should provide a correct CVV/CVC security code, or provide a new payment method.| ## National Processing Support If you need to contact National Processing’s support team, you can use the information below. **[Support Website](https://help.nationalprocessing.com/en/)** **Email Address - help@nationalprocessing.com** **Phone Number - 800-720-3323**