Get outbound credits
Determine the remaining faxing credits in your account.
If successful, the following data is returned .
|credits||Decimal||Value of outstanding outbound credits in account, in the account’s currency.|
GET /accounts/self/ppcards/balance HTTP/1.1 Authorization: Basic dXNlcm5hbWU6cGFzc3dvcmQ= Host: rest.interfax.net 10.0000
curl "https://rest.interfax.net/accounts/self/ppcards/balance" ^ -u username:password