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
Sheetson - Instantly turn any Google Sheet into RESTful API
SheetBest - Turn a Google SpreadSheet into a JSON Database API
Sheetsu - Turn Google Spreadsheet into API
Rows - The spreadsheet where teams work faster
RapidAPI - API marketplace for finding and connecting to the world's top APIs.