Types and enums
Types
ISO 8601 dates
All dates are referenced to UTC, and specified according to ISO 8601.
2016-09-27T15:38:26Z
ISO 639-3 language codes
All languages are specified according to ISO 639-3.
SMS sender
Maximum of 11 characters. Only a-z, A-Z and 0-9 allowed.
SMS recipient
Maximum of 15 digits, formatted with the country code first, i.e. 46735123456