Please follow the instruction and screenshots below:

Step 1 - Click Add New App to create new app slot in Quixxi Portal (Ignore if you have created already)

Step 2 - Click Scan

Step 3 - Click Get Started under API Scan

Add domain URL and Collection URL as shown below, then select Quick Scan

Step 4 -  Clicking Access Now will start the scan

Scanning in progress (Refer below image)

Scanning completed and this is portal report view (Refer below image)

Step 5 - Click Download Report for print (PDF) version of report