Showing data in heatpumpmonitor.org

Hello, I have an emonhp installed. It works perfectly and I can see all my data in emoncms.org when I scan the 2D barcode on the unit.
I wanted to show the data on heatpumpmonitor.org but to do that I seem to need an emoncms login, and I only have a read API key from the barcode. How do I proceed please?

Hi, great to hear that you want to share your data on heatpumpmonitor.org.

The emoncms.org username is the username you gave us when you ordered your Level 3 bundle kit. Could you email us with your order number and we can reply with your username? Our email is [email protected]. Or did you order via an installer? If so, what was the name of your installer and your postcode?