https://www.twilio.com/docs/sendgrid/api-reference/ip-address-management-api/get-a-list-of-subusers-assigned-to-an-ip
Get a list of subusers assigned to an IP | SendGrid Docs | Twilio
Sep 17, 2026 - Use the Twilio SendGrid IP Address Management API to retrieve a list of all subusers assigned to a specific dedicated IP address.
get a listsubusersassignedsendgriddocs