Look in the source file for each resource, it's at the bottom. Your IDE should be able to go to the definition of a resource. If you're using .ts, you'll need to switch from the .d.ts file to the .js file; they're beside each other in the package listing.
fyi for aws-native that information isn't on the docs. there's an issue open from 2021 about it... https://github.com/pulumi/pulumi-aws-native/issues/293 but hopefully at some point that gets fixed since that's theoretically where pulumi is moving forward to.
Mentioning it just in case you end up using -native for something - that issue has a method for how to reverse-engineer the names