We are very excited to announce to release of MultiAuth to all customer accounts. MultiAuth allows you to create different sets of credentials with different access permissions and email rights for your SendGrid account. This was one of the Most Requested Features in our SendGrid Community Forums. Below are useful links related to MultiAuth:

MultiAuth Announcement Blog Post

MultiAuth Documentation Including Website & API Setup

MultiAuth Knowledge Base Article

If you are interested in adding MultiAuth credentials to your account or have any questions about what MultiAuth can do for you please contact SendGrid support via email, live chat, or phone.