Before you start setting up your Zap, copy your Zapier API key from "Integration" section:
On the Zapier’s Zap page, select Getform as a Trigger and paste your API Key you copied in the previous step, then click to “Yes, Continue” button to connect your Getform account to your Zap.
You can also click to “Test” to check if your account has been succesfully connected to your Zap:
After this step, you can click to “Save and Continue” to complete your Trigger step. Now you have access to all your forms and ready to bind your Getform submissions with other services.