HASH: The encrypted result of the payload using IV key and Secret

The HASH header contains the same value of the encrypted payload


SIGNATURE: SHA256 of date and secret in this format ‘yyyymmddsecret’


Authorization: This is the base64 equivalent of the biller’s name in lower case without white spaces in between or at the end.


Biller Name: Test State IRS

Lowercase without white space: teststateirs

Base64 equivalent = YmVudWVzdGF0ZWlycw==