Coup was a rental service for electric motorbikes 馃浀 (also called scooter, the wording is a mess).
First request the cities with GET request https://app.joincoup.com/api/v3/markets. Get the id for your city and request all vehicles with a GET request https://app.joincoup.com/api/v3/markets/{id}/scooters for example for Berlin: https://app.joincoup.com/api/v3/markets/fb7aadac-bded-4321-9223-e3c30c5e3ba5/scooters. A GET request to
https://app.joincoup.com/api/v3/markets/{id}/business_areas will give you business areas for that city.