Free users can use the basic functions of CamelProxy and can create one proxy user account. Paid users have no functional restrictions.

For details, please refer to
After paied through Alipay or Paypal, the authorized serial number will be automatically sent to your registered email.
Payment link:
The CamelAgent is used to encrypt the data stream between the user termial and CamelProxy. If you need to overcome the GFW(Great Firewall), it is use to avoid the interception.
An authorization serial number can only be applied to a CamelProxy server. If you need transfer the authorization serial number from one server to another, first remove it from the original Camel Proxy server and apply it to the new server as the following picture shows.
After the CamelProxy release the new version, you receive the following promp .