Battle.net

Diablo III Game Data API

Provides access to Diablo III game data including season index and season data, era index and era leaderboards. Requires OAuth 2.0 client credentials flow.

GitHub

Documentation

📖
Documentation
https://community.developer.battle.net/documentation/diablo-3/game-data-apis
📖
Authentication
https://community.developer.battle.net/documentation/guides/using-oauth