You can find all the planets, spaceships, vehicles, characters from the six original movies. This is a nice dataset to practice coding or for an assessment. I wrote an api client SharpTrooper with C# to support this project in 2015. You know Storm Troopers are famous with their lack of targeting skills.
Thanks to Paul, he shared my library in the documents. A few developers from Github and Microsoft starred the repository. I forgot about it until Matt Fricker sent me a pull-request with some updates. Apparently, the service was moved from swapi.co to swapi.dev.