Splitwise Pay

Are there fees to settle up using Splitwise Pay? How do I set up Splitwise Pay? How do I transfer funds from my wallet to my bank account? I canceled my payment — why were funds still taken from my bank account? What happens if I send money to a friend who doesn't have Splitwise Pay? Why do you need my SSN? Why is my Splitwise Pay payment still pending? What kind of bank accounts can I use with Splitwise Pay? How do I cancel a Splitwise Pay payment? How do I connect a funding source?