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Mass Times is a skill for Amazon Echo that tells you what time Sunday Mass is in any place in the U.S.
While using the popular MassTimes.org website, I noticed it was getting its data from another website's API. After some investigation, I realized that this API only accepted a lattitude, longitude argument. The challenge, then, was to convert a location to its LAT,LON coordinates and query the API with that information, parse the data, and return it to the user in a relatively short period of time. I used Google Maps' Geocoding API to figure out the coordinates of the specified location, calling it from the same AWS Lambda function that's invoked by Alexa. This allows me to speedily return data to the user. The skill was published in May 2017. It has been used by a massive 45 unique people since it was published.
Some sample phrases you can ask the skill:
Below is a diagram of how data flows through the system: