SigningHub primarily depends on your registered enterprise user ID (email address) for your authentication.
However if you want to attach another unique ID with your account, SigningHub gives you an option to use your SSL certificate to log into SigningHub. For this, your SSL certificate needs to be registered in SigningHub through SigningHub API.

Login through your SSL certificate

  1. Go to the SigningHub login screen.
  2. Click the "More Login Options" link available at the bottom of login screen. 
    A dialog will appear listing all the supported authentication methods. 
  3. Click the "SSL Client Authentication" option.
    A popup will appear to select your SSL certificate.
  4. Select your certificate and click OK.


  1. The SSL Client authentication is not available to Individual subscriptions.
  2. ​The availability of SSL Client authentication is subject to your enterprise service plan.
  3. As a part of GDPR compliance, the "Service Agreement" dialog will appear after successful user authentication. This dialog contains the links of "Terms of Service" and "Privacy Policy" pages. SigningHub will ensure that you agree to them before letting you use your account.
  4. "Service Agreement" dialog will not appear after successful user authentication, if there is none of Service Agreement marked as active.
  5. When using an on-premises installation of SigningHub and this is the only configured authentication for the end-users, then you wont need to click the "More Login Options" link to choose it. In that case, this authentication method will be invoked by default on the Login screen.
  6. Users cannot login to SigningHub if their account is disabled, marked as dormant, or temporarily locked due to multiple invalid login attempts.



See Also