Trumail - Free email verification API
Sheety - Turn any Google sheet into an API instantly, for free. Power websites, apps, or whatever you like, all from a spreadsheet. Changes to your spreadsheet update your API in realtime. Neat
Proofy - Quickly validate and verify your email lists.
Sheet 2 Site - Generate a website from 📗 Google Sheets
Email List Verify - The Fastest Way to Improve Email List Deliverability and ROI
Verifier - Weed out disposable, non-existent domains or invalid emails.