This method provides a way to send check for the Egosms balance using HTTP.
Check balance by making an HTTP GET request to the following endpoints:
These are the standard request parameters that are needed when using the EgoSms Balance Inquiry HTTP Api.
The account username.
The account password.
Once the request is successful, the balance of the account is returned.
Once the request fails, an error message is returned.
Occurs if either your username or password is wrong.
Occurs if the account being used does not exist or is inactive or if the username is not set.
Occurs if any of the parameters is empty.