https://registration.amps.berlin [1]
The event, this year will be held at Master Unit Madhukaruna, Germany.
Arrival: 01 of October
Departure: 3rd of October
The payment options are via PayPal and bank transfer.
PayPal does also allow to pay via Credit Card and Direct Debit wo/ having to create an account with PayPal.
Links:
[1] https://registration.amps.berlin