GSTIN of the taxpayer

Return Period

from which time taxpayer want Invoices

User name of tax payer or tax consultant registered with GSTN

Public IP Address of end user who requested access to data will be passed by GSP application or application accessing Taxpayer services.

State code to which the Tax Payer belongs to

Auth Token

This should be same as sent during otprequest call

Encryption key (EK) is a 32 bit random secure key generated using AES 256 algorithm. E.g. base 64 representation of the key is :xZz32ygsaZ1jocD8USJxr6F8qcKWQRE87emHtPlhP/g=, app_key will be used as key to encrypt the Encryption key using AES 256 (AES/ECB/PKCS5Padding) algorithm.