Esendex API - Developers Messaging Customer Service, Marketing, Telephony, Transactions This is one of a suite of APIs for sending and receiving SMS Text messages to and from mobile phones around the world. Esendex is a leading provider of A2P SMS services sending over 200 million messages a month.Track API VersionsSDKs (9)Articles (1)How To(0)Source Code(8)Libraries(0)Developers (0)Followers (9)Changelog (19) Versions SDKs Articles How To Source Code Libraries Developers Followers ChangelogDevelopers (0) Add Mashup