Developers: Using Fattmerchant’s Zapier Integration to Trigger Events in Other Applications

Fattmerchant has built a custom Zapier integration that you can use to connect transaction events in Omni to other Zapier integrated tools, like Mailchimp, Slack, and Google sheets. 

  1. To get started, visit the


   2. Select Fattmerchant as the app, and New Payment as the trigger event. 


3. Select or add your Fattmerchant account. Note: you will need to have a valid API key in order to complete the set up for Zapier.  



4. Select a connected app or action. Connecting apps will allow you to automate actions for every new transaction that is run in your Omni account. For example, you can set up a direct Slack message to be sent to you, add a new row to a Google sheet, or even update a customer list for Mailchimp. 



  5. Once all of your required fields have been set up, you can turn on your zap! 


Learn more about setting up customized automation through Zapier.



If you have any further questions or need additional assistance, you can call our Support Team at 1.855.550.3288 or email