Brief on APIs required by ERIs for tax return preparation and submission. User should establish a session using Login API for all post login services.

ERI begin the interaction with the e-Filing system by establishing a session invoking the login APIs. Type-2 ERIs shall create a session using their own credentials ERI User Id and Password.

For adding registered e-filing user as clients and for registering and adding unregistered user as clients for Type-2 ERI. Taxpayer's consent is required for Add Client.

For fetching prefill details on added client for return filing. Taxpayer's consent is required for Prefill details.

To validate the filed return and submit to e-filing system if validation is successful.

Added client who has filed return through Type-2 ERI can verify return electronically through e-verify Return.

Added client who has filed return through Type-2 ERI and has e-verified return, can request for Acknowledgement form.