Where can I find my PayPal username?

[Erican16]

Hi everyone, where can i find my PayPal username? I'm trying to add my PayPal link to my Reddit profile, I've tried typing in my name which is the 1 on my PayPal profile also my email address, but it keeps saying that it does not exist or it's invalid.

[kernowlass]

@Erican16 

Your paypal email address identifies your paypal account OR your mobile number if using the app.