CityFlo Reduces Google Maps API Bill by 94% Google Directions API limited their free tier . CityFlo uses this API to calculate ETAs. Initially, CityFlo queried the API every time a stop was registered.
This was the problem. The number of API calls should be dependent on the stops themselves, not the buses. For an MVP, sure - make that query - but if you’re running a growing business, those calls add up!...