How to get payment from PTC websites

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I am so excited because i earned enough cash from m yhard work PTC websites. However the website requested me to key in paypal ID before transfer payment to my paypal account. What data should i key in? Is it my palpal user name or my paypal log in email or my credit card number or others? Please advice. I appreaciate if anyone could help me. I am so confused and scared that i might not able to get my hard earn money.