Telnyx Voice Conferencing Java

Telnyx Voice Conferencing - Java

Installation

<!-- Maven -->
<dependency>
    <groupId>com.telnyx.sdk</groupId>
    <artifactId>telnyx</artifactId>
    <version>6.89.0</version>
</dependency>

// Gradle
implementation("com.telnyx.sdk:telnyx:6.89.0")

Setup

import com.telnyx.sdk.client.TelnyxClient;
import com.telnyx.sdk.client.okhttp.TelnyxOkHttpClient;

TelnyxClient client = TelnyxOkHttpClient.fromEnv();

All examples below assume client is already initialized as shown above.

Error Handling

All API calls can fail with network errors, rate limits (429), validation errors (422), or authentication errors (401). Always handle errors in production code:

import com.telnyx.sdk.errors.TelnyxServiceException;

try {
    var result = client.messages().send(params);
} catch (TelnyxServiceException e) {
    System.err.println("API error " + e.statusCode() + ": " + e.getMessage());
    if (e.statusCode() == 422) {
        System.err.println("Validation error — check required fields and formats");
    } else if (e.statusCode() == 429) {
        // Rate limited — wait and retry with exponential backoff
        Thread.sleep(1000);
    }
}

Common error codes: 401 invalid API key, 403 insufficient permissions, 404 resource not found, 422 validation error (check field formats), 429 rate limited (retry with exponential backoff).

Important Notes

• Pagination: List methods return a page. Use .autoPager() for automatic iteration: for (var item : page.autoPager()) { ... }. For manual control, use .hasNextPage() and .nextPage().

Enqueue call

Put the call in a queue.

POST /calls/{call_control_id}/actions/enqueue — Required: queue_name

Optional: client_state (string), command_id (string), keep_after_hangup (boolean), max_size (integer), max_wait_time_secs (integer)

import com.telnyx.sdk.models.calls.actions.ActionEnqueueParams;
import com.telnyx.sdk.models.calls.actions.ActionEnqueueResponse;

ActionEnqueueParams params = ActionEnqueueParams.builder()
    .callControlId("v3:550e8400-e29b-41d4-a716-446655440000_gRU1OGRkYQ")
    .queueName("support")
    .build();
ActionEnqueueResponse response = client.calls().actions().enqueue(params);

Returns: result (string)

Remove call from a queue

Removes the call from a queue.

POST /calls/{call_control_id}/actions/leave_queue

Optional: client_state (string), command_id (string)

import com.telnyx.sdk.models.calls.actions.ActionLeaveQueueParams;
import com.telnyx.sdk.models.calls.actions.ActionLeaveQueueResponse;

ActionLeaveQueueResponse response = client.calls().actions().leaveQueue("v3:550e8400-e29b-41d4-a716-446655440000_gRU1OGRkYQ");

Returns: result (string)

List conferences

Lists conferences. Conferences are created on demand, and will expire after all participants have left the conference or after 4 hours regardless of the number of active participants. Conferences are listed in descending order by expires_at.

GET /conferences

import com.telnyx.sdk.models.conferences.ConferenceListPage;
import com.telnyx.sdk.models.conferences.ConferenceListParams;

ConferenceListPage page = client.conferences().list();

Returns: connection_id (string), created_at (string), end_reason (enum: all_left, ended_via_api, host_left, time_exceeded), ended_by (object), expires_at (string), id (string), name (string), record_type (enum: conference), region (string), status (enum: init, in_progress, completed), updated_at (string)

Create conference

Create a conference from an existing call leg using a call_control_id and a conference name. Upon creating the conference, the call will be automatically bridged to the conference. Conferences will expire after all participants have left the conference or after 4 hours regardless of the number of active participants.

POST /conferences — Required: call_control_id, name

Optional: beep_enabled (enum: always, never, on_enter, on_exit), client_state (string), comfort_noise (boolean), command_id (string), duration_minutes (integer), hold_audio_url (string), hold_media_name (string), max_participants (integer), region (enum: Australia, Europe, Middle East, US), start_conference_on_create (boolean)

import com.telnyx.sdk.models.conferences.ConferenceCreateParams;
import com.telnyx.sdk.models.conferences.ConferenceCreateResponse;

ConferenceCreateParams params = ConferenceCreateParams.builder()
    .callControlId("v3:MdI91X4lWFEs7IgbBEOT9M4AigoY08M0WWZFISt1Yw2axZ_IiE4pqg")
    .name("Business")
    .build();
ConferenceCreateResponse conference = client.conferences().create(params);

Returns: connection_id (string), created_at (string), end_reason (enum: all_left, ended_via_api, host_left, time_exceeded), ended_by (object), expires_at (string), id (string), name (string), record_type (enum: conference), region (string), status (enum: init, in_progress, completed), updated_at (string)

List conference participants

Lists conference participants

GET /conferences/{conference_id}/participants

import com.telnyx.sdk.models.conferences.ConferenceListParticipantsPage;
import com.telnyx.sdk.models.conferences.ConferenceListParticipantsParams;

ConferenceListParticipantsPage page = client.conferences().listParticipants("550e8400-e29b-41d4-a716-446655440000");

Returns: call_control_id (string), call_leg_id (string), conference (object), created_at (string), end_conference_on_exit (boolean), id (string), muted (boolean), on_hold (boolean), record_type (enum: participant), soft_end_conference_on_exit (boolean), status (enum: joining, joined, left), updated_at (string), whisper_call_control_ids (array[string])

Retrieve a conference

Retrieve an existing conference

GET /conferences/{id}

import com.telnyx.sdk.models.conferences.ConferenceRetrieveParams;
import com.telnyx.sdk.models.conferences.ConferenceRetrieveResponse;

ConferenceRetrieveResponse conference = client.conferences().retrieve("550e8400-e29b-41d4-a716-446655440000");

Returns: connection_id (string), created_at (string), end_reason (enum: all_left, ended_via_api, host_left, time_exceeded), ended_by (object), expires_at (string), id (string), name (string), record_type (enum: conference), region (string), status (enum: init, in_progress, completed), updated_at (string)

End a conference

End a conference and terminate all active participants.

POST /conferences/{id}/actions/end

Optional: command_id (string)

import com.telnyx.sdk.models.conferences.actions.ActionEndConferenceParams;
import com.telnyx.sdk.models.conferences.actions.ActionEndConferenceResponse;

ActionEndConferenceResponse response = client.conferences().actions().endConference("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e");

Returns: result (string)

Gather DTMF using audio prompt in a conference

Play an audio file to a specific conference participant and gather DTMF input.

POST /conferences/{id}/actions/gather_using_audio — Required: call_control_id

Optional: audio_url (string), client_state (string), gather_id (string), initial_timeout_millis (integer), inter_digit_timeout_millis (integer), invalid_audio_url (string), invalid_media_name (string), maximum_digits (integer), maximum_tries (integer), media_name (string), minimum_digits (integer), stop_playback_on_dtmf (boolean), terminating_digit (string), timeout_millis (integer), valid_digits (string)

import com.telnyx.sdk.models.conferences.actions.ActionGatherDtmfAudioParams;
import com.telnyx.sdk.models.conferences.actions.ActionGatherDtmfAudioResponse;

ActionGatherDtmfAudioParams params = ActionGatherDtmfAudioParams.builder()
    .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
    .callControlId("v3:MdI91X4lWFEs7IgbBEOT9M4AigoY08M0WWZFISt1Yw2axZ_IiE4pqg")
    .build();
ActionGatherDtmfAudioResponse response = client.conferences().actions().gatherDtmfAudio(params);

Returns: result (string)

Hold conference participants

Hold a list of participants in a conference call

POST /conferences/{id}/actions/hold

Optional: audio_url (string), call_control_ids (array[string]), media_name (string), region (enum: Australia, Europe, Middle East, US)

import com.telnyx.sdk.models.conferences.actions.ActionHoldParams;
import com.telnyx.sdk.models.conferences.actions.ActionHoldResponse;

ActionHoldResponse response = client.conferences().actions().hold("550e8400-e29b-41d4-a716-446655440000");

Returns: result (string)

Join a conference

Join an existing call leg to a conference. Issue the Join Conference command with the conference ID in the path and the call_control_id of the leg you wish to join to the conference as an attribute. The conference can have up to a certain amount of active participants, as set by the max_participants parameter in conference creation request.

POST /conferences/{id}/actions/join — Required: call_control_id

Optional: beep_enabled (enum: always, never, on_enter, on_exit), client_state (string), command_id (string), end_conference_on_exit (boolean), hold (boolean), hold_audio_url (string), hold_media_name (string), mute (boolean), region (enum: Australia, Europe, Middle East, US), soft_end_conference_on_exit (boolean), start_conference_on_enter (boolean), supervisor_role (enum: barge, monitor, none, whisper), whisper_call_control_ids (array[string])

import com.telnyx.sdk.models.conferences.actions.ActionJoinParams;
import com.telnyx.sdk.models.conferences.actions.ActionJoinResponse;

ActionJoinParams params = ActionJoinParams.builder()
    .id("550e8400-e29b-41d4-a716-446655440000")
    .callControlId("v3:MdI91X4lWFEs7IgbBEOT9M4AigoY08M0WWZFISt1Yw2axZ_IiE4pqg")
    .build();
ActionJoinResponse response = client.conferences().actions().join(params);

Returns: result (string)

Leave a conference

Removes a call leg from a conference and moves it back to parked state. Expected Webhooks:

• conference.participant.left

POST /conferences/{id}/actions/leave — Required: call_control_id

Optional: beep_enabled (enum: always, never, on_enter, on_exit), command_id (string), region (enum: Australia, Europe, Middle East, US)

import com.telnyx.sdk.models.conferences.actions.ActionLeaveParams;
import com.telnyx.sdk.models.conferences.actions.ActionLeaveResponse;

ActionLeaveParams params = ActionLeaveParams.builder()
    .id("550e8400-e29b-41d4-a716-446655440000")
    .callControlId("c46e06d7-b78f-4b13-96b6-c576af9640ff")
    .build();
ActionLeaveResponse response = client.conferences().actions().leave(params);

Returns: result (string)

Mute conference participants

Mute a list of participants in a conference call

POST /conferences/{id}/actions/mute

Optional: call_control_ids (array[string]), region (enum: Australia, Europe, Middle East, US)

import com.telnyx.sdk.models.conferences.actions.ActionMuteParams;
import com.telnyx.sdk.models.conferences.actions.ActionMuteResponse;

ActionMuteResponse response = client.conferences().actions().mute("550e8400-e29b-41d4-a716-446655440000");

Returns: result (string)

Play audio to conference participants

Play audio to all or some participants on a conference call.

POST /conferences/{id}/actions/play

Optional: audio_url (string), call_control_ids (array[string]), loop (string), media_name (string), region (enum: Australia, Europe, Middle East, US)

import com.telnyx.sdk.models.conferences.actions.ActionPlayParams;
import com.telnyx.sdk.models.conferences.actions.ActionPlayResponse;

ActionPlayResponse response = client.conferences().actions().play("550e8400-e29b-41d4-a716-446655440000");

Returns: result (string)

Conference recording pause

Pause conference recording.

POST /conferences/{id}/actions/record_pause

Optional: command_id (string), recording_id (string), region (enum: Australia, Europe, Middle East, US)

import com.telnyx.sdk.models.conferences.actions.ActionRecordPauseParams;
import com.telnyx.sdk.models.conferences.actions.ActionRecordPauseResponse;

ActionRecordPauseResponse response = client.conferences().actions().recordPause("550e8400-e29b-41d4-a716-446655440000");

Returns: result (string)

Conference recording resume

Resume conference recording.

POST /conferences/{id}/actions/record_resume

Optional: command_id (string), recording_id (string), region (enum: Australia, Europe, Middle East, US)

import com.telnyx.sdk.models.conferences.actions.ActionRecordResumeParams;
import com.telnyx.sdk.models.conferences.actions.ActionRecordResumeResponse;

ActionRecordResumeResponse response = client.conferences().actions().recordResume("550e8400-e29b-41d4-a716-446655440000");

Returns: result (string)

Conference recording start

Start recording the conference. Recording will stop on conference end, or via the Stop Recording command. Expected Webhooks:

• conference.recording.saved

POST /conferences/{id}/actions/record_start — Required: format

Optional: channels (enum: single, dual), command_id (string), custom_file_name (string), play_beep (boolean), region (enum: Australia, Europe, Middle East, US), trim (enum: trim-silence)

import com.telnyx.sdk.models.conferences.actions.ActionRecordStartParams;
import com.telnyx.sdk.models.conferences.actions.ActionRecordStartResponse;

ActionRecordStartParams params = ActionRecordStartParams.builder()
    .id("550e8400-e29b-41d4-a716-446655440000")
    .format(ActionRecordStartParams.Format.WAV)
    .build();
ActionRecordStartResponse response = client.conferences().actions().recordStart(params);

Returns: result (string)

Conference recording stop

Stop recording the conference. Expected Webhooks:

• conference.recording.saved

POST /conferences/{id}/actions/record_stop

Optional: client_state (string), command_id (string), recording_id (uuid), region (enum: Australia, Europe, Middle East, US)

import com.telnyx.sdk.models.conferences.actions.ActionRecordStopParams;
import com.telnyx.sdk.models.conferences.actions.ActionRecordStopResponse;

ActionRecordStopResponse response = client.conferences().actions().recordStop("550e8400-e29b-41d4-a716-446655440000");

Returns: result (string)

Send DTMF to conference participants

Send DTMF tones to one or more conference participants.

POST /conferences/{id}/actions/send_dtmf — Required: digits

Optional: call_control_ids (array[string]), client_state (string), duration_millis (integer)

import com.telnyx.sdk.models.conferences.actions.ActionSendDtmfParams;
import com.telnyx.sdk.models.conferences.actions.ActionSendDtmfResponse;

ActionSendDtmfParams params = ActionSendDtmfParams.builder()
    .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
    .digits("1234#")
    .build();
ActionSendDtmfResponse response = client.conferences().actions().sendDtmf(params);

Returns: result (string)

Speak text to conference participants

Convert text to speech and play it to all or some participants.

POST /conferences/{id}/actions/speak — Required: payload, voice

Optional: call_control_ids (array[string]), command_id (string), language (enum: arb, cmn-CN, cy-GB, da-DK, de-DE, en-AU, en-GB, en-GB-WLS, en-IN, en-US, es-ES, es-MX, es-US, fr-CA, fr-FR, hi-IN, is-IS, it-IT, ja-JP, ko-KR, nb-NO, nl-NL, pl-PL, pt-BR, pt-PT, ro-RO, ru-RU, sv-SE, tr-TR), payload_type (enum: text, ssml), region (enum: Australia, Europe, Middle East, US), voice_settings (object)

import com.telnyx.sdk.models.conferences.actions.ActionSpeakParams;
import com.telnyx.sdk.models.conferences.actions.ActionSpeakResponse;

ActionSpeakParams params = ActionSpeakParams.builder()
    .id("550e8400-e29b-41d4-a716-446655440000")
    .payload("Say this to participants")
    .voice("female")
    .build();
ActionSpeakResponse response = client.conferences().actions().speak(params);

Returns: result (string)

Stop audio being played on the conference

Stop audio being played to all or some participants on a conference call.

POST /conferences/{id}/actions/stop

Optional: call_control_ids (array[string]), region (enum: Australia, Europe, Middle East, US)

import com.telnyx.sdk.models.conferences.actions.ActionStopParams;
import com.telnyx.sdk.models.conferences.actions.ActionStopResponse;

ActionStopResponse response = client.conferences().actions().stop("550e8400-e29b-41d4-a716-446655440000");

Returns: result (string)

Unhold conference participants

Unhold a list of participants in a conference call

POST /conferences/{id}/actions/unhold — Required: call_control_ids

Optional: region (enum: Australia, Europe, Middle East, US)

import com.telnyx.sdk.models.conferences.actions.ActionUnholdParams;
import com.telnyx.sdk.models.conferences.actions.ActionUnholdResponse;

ActionUnholdParams params = ActionUnholdParams.builder()
    .id("550e8400-e29b-41d4-a716-446655440000")
    .addCallControlId("v3:MdI91X4lWFEs7IgbBEOT9M4AigoY08M0WWZFISt1Yw2axZ_IiE4pqg")
    .build();
ActionUnholdResponse response = client.conferences().actions().unhold(params);

Returns: result (string)

Unmute conference participants

Unmute a list of participants in a conference call

POST /conferences/{id}/actions/unmute

Optional: call_control_ids (array[string]), region (enum: Australia, Europe, Middle East, US)

import com.telnyx.sdk.models.conferences.actions.ActionUnmuteParams;
import com.telnyx.sdk.models.conferences.actions.ActionUnmuteResponse;

ActionUnmuteResponse response = client.conferences().actions().unmute("550e8400-e29b-41d4-a716-446655440000");

Returns: result (string)

Update conference participant

Update conference participant supervisor_role

POST /conferences/{id}/actions/update — Required: call_control_id, supervisor_role

Optional: command_id (string), region (enum: Australia, Europe, Middle East, US), whisper_call_control_ids (array[string])

import com.telnyx.sdk.models.conferences.actions.ActionUpdateParams;
import com.telnyx.sdk.models.conferences.actions.ActionUpdateResponse;
import com.telnyx.sdk.models.conferences.actions.UpdateConference;

ActionUpdateParams params = ActionUpdateParams.builder()
    .id("550e8400-e29b-41d4-a716-446655440000")
    .updateConference(UpdateConference.builder()
        .callControlId("v3:MdI91X4lWFEs7IgbBEOT9M4AigoY08M0WWZFISt1Yw2axZ_IiE4pqg")
        .supervisorRole(UpdateConference.SupervisorRole.WHISPER)
        .build())
    .build();
ActionUpdateResponse action = client.conferences().actions().update(params);

Returns: result (string)

Retrieve a conference participant

Retrieve details of a specific conference participant by their ID or label.

GET /conferences/{id}/participants/{participant_id}

import com.telnyx.sdk.models.conferences.ConferenceRetrieveParticipantParams;
import com.telnyx.sdk.models.conferences.ConferenceRetrieveParticipantResponse;

ConferenceRetrieveParticipantParams params = ConferenceRetrieveParticipantParams.builder()
    .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
    .participantId("550e8400-e29b-41d4-a716-446655440000")
    .build();
ConferenceRetrieveParticipantResponse response = client.conferences().retrieveParticipant(params);

Returns: call_control_id (string), call_leg_id (string), conference_id (string), created_at (date-time), end_conference_on_exit (boolean), id (string), label (string), muted (boolean), on_hold (boolean), soft_end_conference_on_exit (boolean), status (enum: joining, joined, left), updated_at (date-time), whisper_call_control_ids (array[string])

Update a conference participant

Update properties of a conference participant.

PATCH /conferences/{id}/participants/{participant_id}

Optional: beep_enabled (enum: always, never, on_enter, on_exit), end_conference_on_exit (boolean), soft_end_conference_on_exit (boolean)

import com.telnyx.sdk.models.conferences.ConferenceUpdateParticipantParams;
import com.telnyx.sdk.models.conferences.ConferenceUpdateParticipantResponse;

ConferenceUpdateParticipantParams params = ConferenceUpdateParticipantParams.builder()
    .id("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
    .participantId("550e8400-e29b-41d4-a716-446655440000")
    .build();
ConferenceUpdateParticipantResponse response = client.conferences().updateParticipant(params);

Returns: call_control_id (string), call_leg_id (string), conference_id (string), created_at (date-time), end_conference_on_exit (boolean), id (string), label (string), muted (boolean), on_hold (boolean), soft_end_conference_on_exit (boolean), status (enum: joining, joined, left), updated_at (date-time), whisper_call_control_ids (array[string])

List queues

List all queues for the authenticated user.

GET /queues

import com.telnyx.sdk.models.queues.QueueListPage;
import com.telnyx.sdk.models.queues.QueueListParams;

QueueListPage page = client.queues().list();

Returns: average_wait_time_secs (integer), created_at (string), current_size (integer), id (string), max_size (integer), name (string), record_type (enum: queue), updated_at (string)

Create a queue

Create a new call queue.

POST /queues — Required: queue_name

Optional: max_size (integer)

import com.telnyx.sdk.models.queues.QueueCreateParams;
import com.telnyx.sdk.models.queues.QueueCreateResponse;

QueueCreateParams params = QueueCreateParams.builder()
    .queueName("tier_1_support")
    .build();
QueueCreateResponse queue = client.queues().create(params);

Returns: average_wait_time_secs (integer), created_at (string), current_size (integer), id (string), max_size (integer), name (string), record_type (enum: queue), updated_at (string)

Retrieve a call queue

Retrieve an existing call queue

GET /queues/{queue_name}

import com.telnyx.sdk.models.queues.QueueRetrieveParams;
import com.telnyx.sdk.models.queues.QueueRetrieveResponse;

QueueRetrieveResponse queue = client.queues().retrieve("queue_name");

Returns: average_wait_time_secs (integer), created_at (string), current_size (integer), id (string), max_size (integer), name (string), record_type (enum: queue), updated_at (string)

Update a queue

Update properties of an existing call queue.

POST /queues/{queue_name} — Required: max_size

import com.telnyx.sdk.models.queues.QueueUpdateParams;
import com.telnyx.sdk.models.queues.QueueUpdateResponse;

QueueUpdateParams params = QueueUpdateParams.builder()
    .queueName("my-queue")
    .maxSize(200L)
    .build();
QueueUpdateResponse queue = client.queues().update(params);

Returns: average_wait_time_secs (integer), created_at (string), current_size (integer), id (string), max_size (integer), name (string), record_type (enum: queue), updated_at (string)

Delete a queue

Delete an existing call queue.

DELETE /queues/{queue_name}

import com.telnyx.sdk.models.queues.QueueDeleteParams;

client.queues().delete("queue_name");

Retrieve calls from a queue

Retrieve the list of calls in an existing queue

GET /queues/{queue_name}/calls

import com.telnyx.sdk.models.queues.calls.CallListPage;
import com.telnyx.sdk.models.queues.calls.CallListParams;

CallListPage page = client.queues().calls().list("queue_name");

Returns: call_control_id (string), call_leg_id (string), call_session_id (string), connection_id (string), enqueued_at (string), from (string), is_alive (boolean), queue_id (string), queue_position (integer), record_type (enum: queue_call), to (string), wait_time_secs (integer)

Retrieve a call from a queue

Retrieve an existing call from an existing queue

GET /queues/{queue_name}/calls/{call_control_id}

import com.telnyx.sdk.models.queues.calls.CallRetrieveParams;
import com.telnyx.sdk.models.queues.calls.CallRetrieveResponse;

CallRetrieveParams params = CallRetrieveParams.builder()
    .queueName("my-queue")
    .callControlId("v3:550e8400-e29b-41d4-a716-446655440000_gRU1OGRkYQ")
    .build();
CallRetrieveResponse call = client.queues().calls().retrieve(params);

Returns: call_control_id (string), call_leg_id (string), call_session_id (string), connection_id (string), enqueued_at (string), from (string), is_alive (boolean), queue_id (string), queue_position (integer), record_type (enum: queue_call), to (string), wait_time_secs (integer)

Update queued call

Update queued call's keep_after_hangup flag

PATCH /queues/{queue_name}/calls/{call_control_id}

Optional: keep_after_hangup (boolean)

import com.telnyx.sdk.models.queues.calls.CallUpdateParams;

CallUpdateParams params = CallUpdateParams.builder()
    .queueName("my-queue")
    .callControlId("v3:550e8400-e29b-41d4-a716-446655440000_gRU1OGRkYQ")
    .build();
client.queues().calls().update(params);

Force remove a call from a queue

Removes an inactive call from a queue. If the call is no longer active, use this command to remove it from the queue.

DELETE /queues/{queue_name}/calls/{call_control_id}

import com.telnyx.sdk.models.queues.calls.CallRemoveParams;

CallRemoveParams params = CallRemoveParams.builder()
    .queueName("my-queue")
    .callControlId("v3:550e8400-e29b-41d4-a716-446655440000_gRU1OGRkYQ")
    .build();
client.queues().calls().remove(params);

Webhooks

Webhook Verification

Telnyx signs webhooks with Ed25519. Each request includes telnyx-signature-ed25519 and telnyx-timestamp headers. Always verify signatures in production:

import com.telnyx.sdk.core.UnwrapWebhookParams;
import com.telnyx.sdk.core.http.Headers;

// In your webhook handler (e.g., Spring — use raw body):
@PostMapping("/webhooks")
public ResponseEntity<String> handleWebhook(
    @RequestBody String payload,
    HttpServletRequest request) {
  try {
    Headers headers = Headers.builder()
        .put("telnyx-signature-ed25519", request.getHeader("telnyx-signature-ed25519"))
        .put("telnyx-timestamp", request.getHeader("telnyx-timestamp"))
        .build();
    var event = client.webhooks().unwrap(
        UnwrapWebhookParams.builder()
            .body(payload)
            .headers(headers)
            .build());
    // Signature valid — process the event
    System.out.println("Received webhook event");
    return ResponseEntity.ok("OK");
  } catch (Exception e) {
    System.err.println("Webhook verification failed: " + e.getMessage());
    return ResponseEntity.badRequest().body("Invalid signature");
  }
}

The following webhook events are sent to your configured webhook URL. All webhooks include telnyx-timestamp and telnyx-signature-ed25519 headers for Ed25519 signature verification. Use client.webhooks.unwrap() to verify.

Webhook payload fields

callEnqueued

callLeftQueue

conferenceCreated

conferenceEnded

conferenceFloorChanged

conferenceParticipantJoined

conferenceParticipantLeft

conferenceParticipantPlaybackEnded

conferenceParticipantPlaybackStarted

conferenceParticipantSpeakEnded

conferenceParticipantSpeakStarted

…(truncated)