This method allows to load the current account balance from an account of a logged-in user.
sessionHandle | String | required
User's session identifier received using the doLogin(Enc) method.
myBilling | String | required
Problems with Allegro database.
ERR_NO_SESSION / ERR_SESSION_EXPIRED
Invalid session identifier or the session has expired.
The session-generating WebAPI key has been deactivated (the owner did not accept the User Agreement).
Problems with Aukro WebAPI service.