https://developer.broadcom.com/xapis/all-apps-org-custom-forms/latest/form-renderer/
Form Renderer APIs | All Apps Org - Custom Forms
renderer apisall appsformcustom
https://developers.arcgis.com/rest/services-reference/enterprise/generate-renderer-map-service-dynamic-layer/
Generate Renderer (Map Service/Dynamic Layer) | ArcGIS REST APIs | Esri Developer
This operation returns a renderer of Class Breaks or Unique Value type that includes symbols based on your input.
map servicerest apisgeneraterendererdynamic
https://developers.arcgis.com/rest/services-reference/enterprise/renderer-objects/
Renderer objects | ArcGIS REST APIs | Esri Developer
Learn about the JSON representation of renderer objects.
rest apisrendererobjectsarcgisesri