Track free Udemy courses automatically with RapidAPI and Google Sheets

This workflow fetches free Udemy courses hourly via the [Udemy Coupons and Courses API on RapidAPI](https://rapidapi.com/skdeveloper/api/udemy-coupons-and-courses), filters them, and updates a Google Sheet. It sends alerts on errors for smooth monitoring.

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Node-by-Node Explanation

1. Schedule Trigger: Runs the workflow every hour automatically. 2. Fetch Udemy Coupons: Sends POST request to the [Udemy Coupons and Courses API on RapidAPI](https://rapidapi.com/skdeveloper/api/udemy-coupons-and-courses) to get featured courses. 3. Check API Success: Verifies if the API response is successful; routes accordingly. 4. Filter Free Courses: Selects only courses with saleprice of zero (free courses). 5. Send Error Notification: Emails admin if API fetch fails for quick action. 6. Sync Courses to Google Sheet: Appends or updates the filtered free courses into Google Sheets.

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Google Sheets Columns

id name price saleprice image lectures views rating language category subcategory slug store salestart

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