Twilio SendGrid Marketing Campaigns Designs

The Twilio SendGrid Designs API offers the ability to manage assets stored in the Twilio SendGrid [Design Library](https://mc.sendgrid.com/design-library/my-designs).The Design Library is a feature-rich email layout tool and media repository. You can [build designs for all your marketing email needs](https://sendgrid.com/docs/ui/sending-email/working-with-marketing-campaigns-email-designs/), including Single Sends and Automations.You can also duplicate and then modify one of the pre-built designs provided by Twilio SendGrid to get you started.The Designs API provides a REST-like interface for creating new designs, retrieving a list of existing designs, duplicating or updating a design, and deleting a design.