・What does QPS mean on this page ? ( https://developer.foursquare.com/docs/places-api/getting-started/#choose-your-account-tier )
・How many requests can I make in one second?
I think that I can make a maximum of 2 requests per second to endpoints for the Personal Tier Accounts, but no error occured when I tried to make more than 2 requests per second to endpoints.