Build voice applications using TeXML markup language (TwiML-compatible). Manage applications, calls, conferences, recordings, queues, and streams. This skill provides JavaScript SDK examples.
Scanned 2/12/2026
Install via CLI
openskills install team-telnyx/telnyx-ext-agent-skills---
name: telnyx-texml-javascript
description: >-
Build voice applications using TeXML markup language (TwiML-compatible).
Manage applications, calls, conferences, recordings, queues, and streams. This
skill provides JavaScript SDK examples.
metadata:
author: telnyx
product: texml
language: javascript
---
# Telnyx Texml - JavaScript
## Installation
```bash
npm install telnyx
```
## Setup
```javascript
import Telnyx from 'telnyx';
const client = new Telnyx({
apiKey: process.env['TELNYX_API_KEY'], // This is the default and can be omitted
});
```
All examples below assume `client` is already initialized as shown above.
## List all TeXML Applications
Returns a list of your TeXML Applications.
`GET /texml_applications`
```javascript
// Automatically fetches more pages as needed.
for await (const texmlApplication of client.texmlApplications.list()) {
console.log(texmlApplication.id);
}
```
## Creates a TeXML Application
Creates a TeXML Application.
`POST /texml_applications` — Required: `friendly_name`, `voice_url`
```javascript
const texmlApplication = await client.texmlApplications.create({
friendly_name: 'call-router',
voice_url: 'https://example.com',
});
console.log(texmlApplication.data);
```
## Retrieve a TeXML Application
Retrieves the details of an existing TeXML Application.
`GET /texml_applications/{id}`
```javascript
const texmlApplication = await client.texmlApplications.retrieve('1293384261075731499');
console.log(texmlApplication.data);
```
## Update a TeXML Application
Updates settings of an existing TeXML Application.
`PATCH /texml_applications/{id}` — Required: `friendly_name`, `voice_url`
```javascript
const texmlApplication = await client.texmlApplications.update('1293384261075731499', {
friendly_name: 'call-router',
voice_url: 'https://example.com',
});
console.log(texmlApplication.data);
```
## Deletes a TeXML Application
Deletes a TeXML Application.
`DELETE /texml_applications/{id}`
```javascript
const texmlApplication = await client.texmlApplications.delete('1293384261075731499');
console.log(texmlApplication.data);
```
## Fetch multiple call resources
Returns multiple call resouces for an account.
`GET /texml/Accounts/{account_sid}/Calls`
```javascript
const response = await client.texml.accounts.calls.retrieveCalls('account_sid');
console.log(response.calls);
```
## Initiate an outbound call
Initiate an outbound TeXML call.
`POST /texml/Accounts/{account_sid}/Calls` — Required: `To`, `From`, `ApplicationSid`
```javascript
const response = await client.texml.accounts.calls.calls('account_sid', {
ApplicationSid: 'example-app-sid',
From: '+13120001234',
To: '+13121230000',
});
console.log(response.from);
```
## Fetch a call
Returns an individual call identified by its CallSid.
`GET /texml/Accounts/{account_sid}/Calls/{call_sid}`
```javascript
const call = await client.texml.accounts.calls.retrieve('call_sid', { account_sid: 'account_sid' });
console.log(call.account_sid);
```
## Update call
Update TeXML call.
`POST /texml/Accounts/{account_sid}/Calls/{call_sid}`
```javascript
const call = await client.texml.accounts.calls.update('call_sid', { account_sid: 'account_sid' });
console.log(call.account_sid);
```
## List conference participants
Lists conference participants
`GET /texml/Accounts/{account_sid}/Conferences/{conference_sid}/Participants`
```javascript
const response = await client.texml.accounts.conferences.participants.retrieveParticipants(
'conference_sid',
{ account_sid: 'account_sid' },
);
console.log(response.end);
```
## Dial a new conference participant
Dials a new conference participant
`POST /texml/Accounts/{account_sid}/Conferences/{conference_sid}/Participants`
```javascript
const response = await client.texml.accounts.conferences.participants.participants(
'conference_sid',
{ account_sid: 'account_sid' },
);
console.log(response.account_sid);
```
## Get conference participant resource
Gets conference participant resource
`GET /texml/Accounts/{account_sid}/Conferences/{conference_sid}/Participants/{call_sid_or_participant_label}`
```javascript
const participant = await client.texml.accounts.conferences.participants.retrieve(
'call_sid_or_participant_label',
{ account_sid: 'account_sid', conference_sid: 'conference_sid' },
);
console.log(participant.account_sid);
```
## Update a conference participant
Updates a conference participant
`POST /texml/Accounts/{account_sid}/Conferences/{conference_sid}/Participants/{call_sid_or_participant_label}`
```javascript
const participant = await client.texml.accounts.conferences.participants.update(
'call_sid_or_participant_label',
{ account_sid: 'account_sid', conference_sid: 'conference_sid' },
);
console.log(participant.account_sid);
```
## Delete a conference participant
Deletes a conference participant
`DELETE /texml/Accounts/{account_sid}/Conferences/{conference_sid}/Participants/{call_sid_or_participant_label}`
```javascript
await client.texml.accounts.conferences.participants.delete('call_sid_or_participant_label', {
account_sid: 'account_sid',
conference_sid: 'conference_sid',
});
```
## List conference resources
Lists conference resources.
`GET /texml/Accounts/{account_sid}/Conferences`
```javascript
const response = await client.texml.accounts.conferences.retrieveConferences('account_sid');
console.log(response.conferences);
```
## Fetch a conference resource
Returns a conference resource.
`GET /texml/Accounts/{account_sid}/Conferences/{conference_sid}`
```javascript
const conference = await client.texml.accounts.conferences.retrieve('conference_sid', {
account_sid: 'account_sid',
});
console.log(conference.account_sid);
```
## Update a conference resource
Updates a conference resource.
`POST /texml/Accounts/{account_sid}/Conferences/{conference_sid}`
```javascript
const conference = await client.texml.accounts.conferences.update('conference_sid', {
account_sid: 'account_sid',
});
console.log(conference.account_sid);
```
## List queue resources
Lists queue resources.
`GET /texml/Accounts/{account_sid}/Queues`
```javascript
// Automatically fetches more pages as needed.
for await (const queueListResponse of client.texml.accounts.queues.list('account_sid')) {
console.log(queueListResponse.account_sid);
}
```
## Create a new queue
Creates a new queue resource.
`POST /texml/Accounts/{account_sid}/Queues`
```javascript
const queue = await client.texml.accounts.queues.create('account_sid');
console.log(queue.account_sid);
```
## Fetch a queue resource
Returns a queue resource.
`GET /texml/Accounts/{account_sid}/Queues/{queue_sid}`
```javascript
const queue = await client.texml.accounts.queues.retrieve('queue_sid', {
account_sid: 'account_sid',
});
console.log(queue.account_sid);
```
## Update a queue resource
Updates a queue resource.
`POST /texml/Accounts/{account_sid}/Queues/{queue_sid}`
```javascript
const queue = await client.texml.accounts.queues.update('queue_sid', {
account_sid: 'account_sid',
});
console.log(queue.account_sid);
```
## Delete a queue resource
Delete a queue resource.
`DELETE /texml/Accounts/{account_sid}/Queues/{queue_sid}`
```javascript
await client.texml.accounts.queues.delete('queue_sid', { account_sid: 'account_sid' });
```
## Fetch multiple recording resources
Returns multiple recording resources for an account.
`GET /texml/Accounts/{account_sid}/Recordings.json`
```javascript
const response = await client.texml.accounts.retrieveRecordingsJson('account_sid');
console.log(response.end);
```
## Fetch recording resource
Returns recording resource identified by recording id.
`GET /texml/Accounts/{account_sid}/Recordings/{recording_sid}.json`
```javascript
const texmlGetCallRecordingResponseBody =
await client.texml.accounts.recordings.json.retrieveRecordingSidJson(
'6a09cdc3-8948-47f0-aa62-74ac943d6c58',
{ account_sid: 'account_sid' },
);
console.log(texmlGetCallRecordingResponseBody.account_sid);
```
## Delete recording resource
Deletes recording resource identified by recording id.
`DELETE /texml/Accounts/{account_sid}/Recordings/{recording_sid}.json`
```javascript
await client.texml.accounts.recordings.json.deleteRecordingSidJson(
'6a09cdc3-8948-47f0-aa62-74ac943d6c58',
{ account_sid: 'account_sid' },
);
```
## Fetch recordings for a call
Returns recordings for a call identified by call_sid.
`GET /texml/Accounts/{account_sid}/Calls/{call_sid}/Recordings.json`
```javascript
const response = await client.texml.accounts.calls.recordingsJson.retrieveRecordingsJson(
'call_sid',
{ account_sid: 'account_sid' },
);
console.log(response.end);
```
## Request recording for a call
Starts recording with specified parameters for call idientified by call_sid.
`POST /texml/Accounts/{account_sid}/Calls/{call_sid}/Recordings.json`
```javascript
const response = await client.texml.accounts.calls.recordingsJson.recordingsJson('call_sid', {
account_sid: 'account_sid',
});
console.log(response.account_sid);
```
## Update recording on a call
Updates recording resource for particular call.
`POST /texml/Accounts/{account_sid}/Calls/{call_sid}/Recordings/{recording_sid}.json`
```javascript
const response = await client.texml.accounts.calls.recordings.recordingSidJson(
'6a09cdc3-8948-47f0-aa62-74ac943d6c58',
{ account_sid: 'account_sid', call_sid: 'call_sid' },
);
console.log(response.account_sid);
```
## List conference recordings
Lists conference recordings
`GET /texml/Accounts/{account_sid}/Conferences/{conference_sid}/Recordings`
```javascript
const response = await client.texml.accounts.conferences.retrieveRecordings('conference_sid', {
account_sid: 'account_sid',
});
console.log(response.end);
```
## Fetch recordings for a conference
Returns recordings for a conference identified by conference_sid.
`GET /texml/Accounts/{account_sid}/Conferences/{conference_sid}/Recordings.json`
```javascript
const response = await client.texml.accounts.conferences.retrieveRecordingsJson('conference_sid', {
account_sid: 'account_sid',
});
console.log(response.end);
```
## Create a TeXML secret
Create a TeXML secret which can be later used as a Dynamic Parameter for TeXML when using Mustache Templates in your TeXML.
`POST /texml/secrets` — Required: `name`, `value`
```javascript
const response = await client.texml.secrets({ name: 'My Secret Name', value: 'My Secret Value' });
console.log(response.data);
```
## Request siprec session for a call
Starts siprec session with specified parameters for call idientified by call_sid.
`POST /texml/Accounts/{account_sid}/Calls/{call_sid}/Siprec.json`
```javascript
const response = await client.texml.accounts.calls.siprecJson('call_sid', {
account_sid: 'account_sid',
});
console.log(response.account_sid);
```
## Updates siprec session for a call
Updates siprec session identified by siprec_sid.
`POST /texml/Accounts/{account_sid}/Calls/{call_sid}/Siprec/{siprec_sid}.json`
```javascript
const response = await client.texml.accounts.calls.siprec.siprecSidJson('siprec_sid', {
account_sid: 'account_sid',
call_sid: 'call_sid',
});
console.log(response.account_sid);
```
## Start streaming media from a call.
Starts streaming media from a call to a specific WebSocket address.
`POST /texml/Accounts/{account_sid}/Calls/{call_sid}/Streams.json`
```javascript
const response = await client.texml.accounts.calls.streamsJson('call_sid', {
account_sid: 'account_sid',
});
console.log(response.account_sid);
```
## Update streaming on a call
Updates streaming resource for particular call.
`POST /texml/Accounts/{account_sid}/Calls/{call_sid}/Streams/{streaming_sid}.json`
```javascript
const response = await client.texml.accounts.calls.streams.streamingSidJson(
'6a09cdc3-8948-47f0-aa62-74ac943d6c58',
{ account_sid: 'account_sid', call_sid: 'call_sid' },
);
console.log(response.account_sid);
```
## List recording transcriptions
Returns multiple recording transcription resources for an account.
`GET /texml/Accounts/{account_sid}/Transcriptions.json`
```javascript
const response = await client.texml.accounts.retrieveTranscriptionsJson('account_sid');
console.log(response.end);
```
## Fetch a recording transcription resource
Returns the recording transcription resource identified by its ID.
`GET /texml/Accounts/{account_sid}/Transcriptions/{recording_transcription_sid}.json`
```javascript
const response =
await client.texml.accounts.transcriptions.json.retrieveRecordingTranscriptionSidJson(
'6a09cdc3-8948-47f0-aa62-74ac943d6c58',
{ account_sid: 'account_sid' },
);
console.log(response.account_sid);
```
## Delete a recording transcription
Permanently deletes a recording transcription.
`DELETE /texml/Accounts/{account_sid}/Transcriptions/{recording_transcription_sid}.json`
```javascript
await client.texml.accounts.transcriptions.json.deleteRecordingTranscriptionSidJson(
'6a09cdc3-8948-47f0-aa62-74ac943d6c58',
{ account_sid: 'account_sid' },
);
```
---
## Webhooks
The following webhook events are sent to your configured webhook URL.
All webhooks include `telnyx-timestamp` and `telnyx-signature-ed25519` headers for verification (Standard Webhooks compatible).
| Event | Description |
|-------|-------------|
| `TexmlCallAnsweredWebhook` | TeXML Call Answered. Webhook sent when a TeXML call is answered |
| `TexmlCallCompletedWebhook` | TeXML Call Completed. Webhook sent when a TeXML call is completed |
| `TexmlCallInitiatedWebhook` | TeXML Call Initiated. Webhook sent when a TeXML call is initiated |
| `TexmlCallRingingWebhook` | TeXML Call Ringing. Webhook sent when a TeXML call is ringing |
| `TexmlCallAmdWebhook` | TeXML Call AMD. Webhook sent when Answering Machine Detection (AMD) completes during a TeXML call |
| `TexmlCallDtmfWebhook` | TeXML Call DTMF. Webhook sent when a DTMF digit is received during a TeXML call |
| `TexmlGatherWebhook` | TeXML Gather. Webhook sent when a Gather command completes (sent to the action URL) |
| `TexmlHttpRequestWebhook` | TeXML HTTP Request. Webhook sent as response to an HTTP Request instruction |
| `TexmlAiGatherWebhook` | TeXML AI Gather. Webhook sent when AI Gather completes with transcription results |
| `TexmlConferenceJoinWebhook` | TeXML Conference Join. Webhook sent when a participant joins a TeXML conference |
| `TexmlConferenceLeaveWebhook` | TeXML Conference Leave. Webhook sent when a participant leaves a TeXML conference |
| `TexmlConferenceSpeakerWebhook` | TeXML Conference Speaker. Webhook sent when a participant starts or stops speaking in a TeXML conference |
| `TexmlConferenceEndWebhook` | TeXML Conference End. Webhook sent when a TeXML conference ends |
| `TexmlConferenceStartWebhook` | TeXML Conference Start. Webhook sent when a TeXML conference starts |
| `TexmlQueueWebhook` | TeXML Queue. Webhook sent for queue status events (triggered by Enqueue command waitUrl) |
| `TexmlRecordingCompletedWebhook` | TeXML Recording Completed. Webhook sent when a recording is completed during a TeXML call (triggered by recordingStatusCallbackEvent) |
| `TexmlRecordingInProgressWebhook` | TeXML Recording In-Progress. Webhook sent when a recording starts during a TeXML call (triggered by recordingStatusCallbackEvent) |
| `TexmlSiprecWebhook` | TeXML SIPREC. Webhook sent for SIPREC session status updates |
| `TexmlStreamWebhook` | TeXML Stream. Webhook sent for media streaming status updates |
| `TexmlTranscriptionWebhook` | TeXML Transcription. Webhook sent when a recording transcription is completed |
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