Login to E-way Bill Portal(https://ewaybill.nic.in/)
Please note NIC system allows creating of sub-users. However for enabling API access you need to login using the main user credentials
Under registration tab, select the option For GSP‟
Once selected, you need to click on Send OTP and input the OTP number then
You will need to select IRIS Business Services from the list of GSPs.
After selecting IRIS from the list, you will need to define a new username and password It is recommended to create the user name and password as per NIC policies. User name - Initial characters are auto-filled by NIC (format of auto-filling: "NIC Username_API_") after which a box has been provided for adding 3 user-defined characters. Password - Minimum length: 12 and Maximum length: 15
Once successfully enabled for IRIS GSP, the details will be shown in view section
This username and password need to input in NIC details in easywaybill application when user is adding the GSTIN / Transporter Id.