Terminology

For internal consistency, this documentation uses some sample data, and unofficial names for certain features of the protocol.

Definitions

Connected account

user currently authenticated to the API

User identifier

user’s Skype username, e.g. fred.2

Prefix

conversation type:

1 = Messenger user

2 = Skype for Business user

8 = Skype user

19 = group

28 = agent/bot account (e.g. 28:concierge)

Chat identifier

unique chat name, e.g. a1b2c3d4...@thread.skype or a user identifier

Thread identifier

combination of prefix and user/chat identifier, e.g. 8:fred.2, 19:a1b2c3d4...@thread.skype

Blob

old-style group chat identifier (and only identifier for P2P chats)

Sample users

The following users are mentioned:

• Fred Adams, fred.2 – the authenticated user

• Joe Bloggs, joe.4 – a contact of Fred’s

• Anna Cooper, anna.7 – not a contact of Fred’s

• Daisy Dean, daisy.5 – another contact of Fred’s