https://docs.google.com/spreadsheets/d/[myworksheet]/edit?gid=0#gid=0
In this line what does /d/ do and what other values could be there? Same questions for /edit, ?gid and #gid. (note- I could not find detailed answers at: https://developers.google.com/sheets/api/guides/concepts)

I was able to successfully append data to my Sheet using laravel google sheets. The issue is with all dates and some integers. When uploaded, an apostrophe is added in front of the values.