# Participant Join

To inform the room that participants have joined over the phone, you need to execute a **POST** request against the **/rooms/:id/phone-participants/joined** endpoint. After executing the call, then these participants will appear in the Participants panel inside the room.

#### Request

{% tabs %}
{% tab title="cURL" %}
{% code overflow="wrap" %}

```bash
curl --request POST \
  --header "Content-Type: application/json" \
  --url https://api.digitalsamba.com/api/v1/rooms/45d125d8-bac9-43a5-a6a8-311a5433239d/phone-participants/joined \
  --user YOUR_TEAM_ID:YOUR_DEVELOPER_KEY \
  --data '[{"call_id": "53858671-c5e0-441a-9e33-e5d7f7f1861e","name": "John Smith", "caller_number": "+1234567890", "muted": true}, {"call_id": "074f23f1-6a8e-4856-8779-5cc888456d5c", "name": "David Travis", "caller_number": "+56345435", "muted": false}]'
```

{% endcode %}
{% endtab %}

{% tab title="Java" %}

```java
import com.fasterxml.jackson.databind.ObjectMapper;

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.net.http.HttpResponse.BodyHandlers;
import java.util.Base64;
import java.util.Map;

String TEAM_ID = "YOUR_TEAM_ID";
String DEVELOPER_KEY = "YOUR_DEVELOPER_KEY";
String authorizationHeader = "Bearer " + Base64.getEncoder().encodeToString((TEAM_ID + ":" + DEVELOPER_KEY).getBytes());
//Put your room id or friendly_url (name) here - this value is just an example
String roomId = "c39d7c40-7ff7-4faa-b06f-698a639a9523";

List<Map<String, Object>> data = Arrays.asList(
    Map.of(
       "call_id", "53858671-c5e0-441a-9e33-e5d7f7f1861e",
       "name", "John Smith",
       "caller_number", "+1234567890",
       "muted", true
    ),
    Map.of(
       "call_id", "074f23f1-6a8e-4856-8779-5cc888456d5c",
       "name", "David Travis",
       "caller_number", "+56345435"
       "muted", false
    )
);
String jsonData = new ObjectMapper().writeValueAsString(data);

HttpRequest request = HttpRequest.newBuilder()
  .POST(HttpRequest.BodyPublishers.ofString(jsonData))
  .uri(new URI("https://api.digitalsamba.com/api/v1/rooms/" + roomId + "/phone-participants/joined"))
  .header("Authorization", authorizationHeader)
  .header("Content-Type", "application/json")
  .build();

HttpClient client = HttpClient.newHttpClient();
HttpResponse<String> response = client.send(request, BodyHandlers.ofString());

System.out.println("Status code: " + response.statusCode());
System.out.println("Body: " + response.body());
```

{% endtab %}
{% endtabs %}

#### Response (200 OK) - empty