# Add a Participant to a Channel.

**POST /v1/Interactions/{InteractionSid}/Channels/{ChannelSid}/Participants**

Add a Participant to a Channel.


## Servers
- https://flex-api.twilio.com: https://flex-api.twilio.com ()


## Authentication methods
- Account sid auth token


## Parameters

### Path parameters
- **InteractionSid** (string)
  The Interaction Sid for the new Channel Participant.
- **ChannelSid** (string)
  The Channel Sid for the new Channel Participant.


### Body: application/x-www-form-urlencoded (object)

- **Type** (string)
  Participant type. Can be: `agent`, `customer`, `supervisor`, `external`, `unknown`
- **MediaProperties** ()
  JSON representing the Media Properties for the new Participant.
- **RoutingProperties** ()
  Object representing the Routing Properties for the new Participant.


## Responses
### 201
Created
#### Headers
- **Access-Control-Allow-Origin** (string)
  Specify the origin(s) allowed to access the resource
- **Access-Control-Allow-Methods** (string)
  Specify the HTTP methods allowed when accessing the resource
- **Access-Control-Allow-Headers** (string)
  Specify the headers allowed when accessing the resource
- **Access-Control-Allow-Credentials** (boolean)
  Indicates whether the browser should include credentials
- **Access-Control-Expose-Headers** (string)
  Headers exposed to the client

#### Body: application/json (object)
- **sid** (string | null)
  The unique string created by Twilio to identify an Interaction Channel Participant resource.
- **type** (string)
  Participant type. Can be: `agent`, `customer`, `supervisor`, `external`, `unknown`
- **interaction_sid** (string | null)
  The Interaction Sid for this channel.
- **channel_sid** (string | null)
  The Channel Sid for this Participant.
- **url** (string(uri) | null)

- **routing_properties** ()
  The Participant's routing properties.


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