i don't konw
You can find APIs in the component datasheet.
Following the sequence, you can find the component datasheet and APIs.
1. Open "TopDesign.cysch" in PSoC Creator project file.
2. Drag the component what you want to design from "Component Catalog" to schematic page.
3. Right click on the component which is dragged.
4. Click "Open Datasheet...".
5. Find "Application Programming Interface" section.