How to get the Collection ID? Wan Zulkarnain February 25, 2019 06:51 Updated Follow 1. Login to your Billplz account. Click here to access Billplz dashboard. Log in using the username and password. 2. Create a Collection. Go to Billing. Click Create Collection button on the right. Fill in a title and click Submit. 3. Get a Collection ID. Click on the Copy button. Related articles How to integrate Shopify with Billplz How to get the Billplz Secret key? Where to begin? List of system with production ready integration What is Billplz settlement policy? Comments 0 comments Article is closed for comments.