SDK

A Software Development Kit (SDK) is a collection of software development tools for building applications. They typically consist of an APIA Client API is a web, native, or scripting Application Programming Interface (including all ArcGIS, open source, and third-party APIs) that has mapping capabilities and can be used to access ArcGIS location services.Learn more, documentation, tools, and samples. Examples of SDKs are the ArcGIS Maps SDKsArcGIS Maps SDKs are developer products for building mapping and spatial analysis applications for web browsers, native devices, and game engines.Learn more which can be used to build applications with ArcGIS servicesA service, also known as an ArcGIS service, is software that supports an ArcGIS REST API and provides geospatial functionality or data. A service can be hosted by Esri or in ArcGIS Enterprise.Learn more. Other ArcGIS SDKs such as ArcGIS Pro SDK for .NET contain frameworks that can be used to extend applications including ArcGIS Pro.