A channel is a resource which can send and receive messages.

For information on building your own channel type integration, see the Channels API Reference API offering for more info.

Here is the list of existing channel types:

smtpFor emails managed via SMTP
imapFor emails managed via IMAP
twilioLinked to a Twilio account
twitterLinked to a Twitter account
facebookLinked to a Facebook page
smoochLinked to a Smooch account
intercomLinked to an Intercom account
trulyLinked to a truly account
customFor messages sent and received only through the API

Example Channel Object

  "_links": {
    "self": "",
    "related": {
      "inbox": "",
      "owner": ""
  "id": "cha_55c8c149",
  "address": "[email protected]",
  "type": "smtp",
  "send_as": "[email protected]",
  "settings": {},
  "is_private": false,
  "is_valid": true