P.E.K.K.A is a client library targeting .NET Standard 2.0 and .NET 4.6.1 that provides an easy way to interact with both official Clash Royale API and unofficial public API Royale API
All API requests must be accompanied by a developer key. You need to register then create a key for Clash Royale API (official) on Clash Royale API Website. You can learn how to obtain and manage your developer key for Royale API (unofficial) on Royale API Website.