What are the supported characters for SMS?

The message encoding determines the character limit and the type of characters supported.

  • Default alphabet 7-bit supports the following single characters:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 8 9 : ; < = > ? ¡ ¿ ! " # ¤ % & ( ) ' * + , - . / Ä Ö Ñ Ü § ä ö ñ ü à @ £ $ ¥ è é ù ì ò Ç Ø ø Å å Δ _ Φ Γ Λ Ω Π Ψ Σ Θ Ξ Æ æ ß É


In addition, the following double characters are supported: 

€ [ ] { } ~ ^ | \ 
  • Unicode 16-bit supports all 7-bit characters, plus other special characters such as Katakana, Cyrillic, Greek lowercase and emojis 💬.

Avoid copying text from other programs into the platform, to ensure your SMS format is not modified.