API tutorials: including the RS API

In your build.gradle:

Adding the repository

repositories {
    maven {
        name = "refinedstorage"
        url = "https://dl.bintray.com/raoulvdberge/dev/"

Adding the dependency

dependencies {
    compile "refinedstorage:refinedstorage:VERSION_HERE+:api"

Replace VERSION_HERE with the version you want. The latest one at the time of writing is 1.5.5-1214 for Minecraft 1.12 (June 2017).

For a list of all versions, see: https://dl.bintray.com/raoulvdberge/dev/refinedstorage/refinedstorage/.