Use these resources to build and bring capabilities into visualization extensions ( ), widgets (), custom components () and mashups (). The term Capability API was introduced with Qlik Sense Some of the Capability APIs were available before this version, published under the name Mashup API. See Capability APIs. The Qlik Sense APIs are the same APIs we use to develop Qlik Sense itself. This gives you tremendous flexibility to build, extend, and combine. Qlik Sense with other technologies. With the Qlik Sense APIs you can: • Integrate Qlik Sense into web applications. • Extend Qlik Sense by adding your own visualizations . Sadha Chilukoori Oct 21, PM (in response to Robert Mika). Hi Robert,. v is the latest API guide. But Qlik has been making updates to the API guide - v with each service release. You can download the latest copy of the API Guide at Its included in the documentation and.