SendGrid Blocks REST API - Followers Email The SendGrid Blocks API returns data from the blocks list in JSON and XML formats. Developers can authenticate with API Key. SendGrid is an email marketing company.Track API Choose StyleREST Choose VersionRecommendedLearn about versioning SummarySDKs (0)How To(0)Source Code(0)Libraries(0)Developers (0)Followers (2)Changelog (0) Summary SDKs Articles How To Source Code Libraries Developers Followers ChangelogFollowers (2) Track this API Username Moksud Miah Leonardturpin