https://developers.arcgis.com/documentation/mapping-apis-and-location-services/
ArcGIS for Developers website - developers.arcgis.com
Web AppBuilder
Experience Builder
Operations Dashboard
StoryMaps
Build dashboards quickly
Custom native apps
Cross-platform: .NET, Java, Android, iOS, Qt
No code
Deploy within your organization, or publish to app stores
aka "Where's the API?"
https://route.arcgis.com/arcgis/rest/services/World/Route/NAServer/Route_World/solve?stops=-117.1956,34.0564;-117.1825,34.0572&token=[token]&f=pjson
24 Tutorials - 10-15 min each
ArcGIS API for JavaScript - developer website
Full support for:
for non-Dojo apps
Angular
React
Using Esri Location Services with
Mapbox GL JS
API Keys
...turn on location services
native app development
ArcGIS Runtime SDK for iOS,
and more Tutorials and
example apps
source code projects
Artificial Intelligence
community.esri.com