Developers : How to Obtain an API Key

If you are need of connecting Stax Pay to another software or application, follow the steps below to obtain your API key. 

  1. Log in to Omni.fattmerchant.com
  2. Select Apps
  3. Select API Keys
  4. Select Launch
  5. Select +New Key
  6. Edit the name of the API Key (if needed) 
  7. Select Save
  8. Select Reveal

 

Once you have your API keys, copy and paste them into the application that you need to connect, and you can begin processing.

 

 

If you have any further questions or need additional assistance, you can call our Support Team at 1.855.550.3288 or email support@fattmerchant.com.