Getting started with Open Digital Tax

Have your web login ready
For additional security and to easily confirm your email address, users first login with an existing web login. We support logins from:
Enable your HMRC account for MTD usage
Before using any MTD API software, it is necessary to enable your account for MTD API. If an account is not enabled, users will receive an error "The client and/or agent is not authorised" on login.
Have your VRN ready
The VAT Registration Number (VRN) for the HMRC account you wish to manage returns for.