Save GSTR3B dataAsk AIput https://www.fynamics.co.in/api/gst/returns/gstr3bThis API is used to save GSTR3B data.Important Links Body ParamsAdd FieldHeadersgstinstringrequiredGSTIN of the Tax PayerrtnprdstringrequiredReturn periodip-usrstringrequiredPublic IP Address of end user who requested access to data will be passed by GSP application or application accessing Taxpayer services.state-cdstringrequiredState code to which the Tax Payer belongs tousernamestringrequiredUser name of tax payer or tax consultant registered with GSTNauthtokenstringrequiredAuthorization token is a universally unique identifier (UUID)app_keystringrequiredThis should be same as sent during otprequest callsekstringrequiredEncryption 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.Responses 200Response Payload 405Method not allowed 500Internal Server ErrorUpdated about 3 years ago