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National Processing



National Processing's website boasts low fees and hassle free service, making them "your budget's best friend!" ChargeOver supports connecting to National Processing 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
  3. You can use the search bar to find National Processing, then select Connect

  1. Next, enter those details we grabbed earlier in their corresponding fields

  1. Once you're done entering the credentials, make sure to select which payment methods you would like to process through National Processing
  2. 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 MessageWhat National Processing is Trying to Tell YouNext Steps
ERR_DECLINENational Processing told ChargeOver the payment was declined.You or the customer should contact National Processing to discuss the reason for the decline.
ERR_CREDENTIALSNational 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_EXPIREDNational Processing told ChargeOver the credit card has expired.You should contact the customer and ask them to provide a new payment method.
ERR_CVVNational 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

Email Address -

Phone Number - 800-720-3323