Test an email template with sample data
The ID of the template to test
"welcome-template"
The email address to send the test email to
"test@example.com"
Subject line for the test email
"Welcome to OnlyAutomator! (TEST)"
Sample data to populate template variables
{
"name": "John Doe",
"subscription_level": "Premium",
"account_created": "2023-04-01"
}