In order to integrate your Zapier account with Popupsmart, please follow these steps:
First, you should create an API key and copy the code.
Click and accept the invitation : https://zapier.com/app/login?next=/developer/public-invite/69311/e64007197032344c47a6fe19bc849a46/
You can create a zap now. Select Popupsmart from apps.
In the next step, you should put the API key into the window.
Then you can continue and integrate any other apps by choosing from more than 1,000 options.