In Google Sheets, Spreadsheet ID is an identifier that’s unique to a Spreadsheet.
This ID is the value between the
"/d/" and the
"/edit" in the URL of your spreadsheet. For example, consider the following URL that references a Google Sheets spreadsheet:
The ID of this spreadsheet is 1Vq2Q9FIBj_ut7ZMLwX1Vq2Q9FIBj_ut7ZMLwX-hpjd.