Telnyx Integration

Sends and receives voice calls, SMS, MMS, WhatsApp, RCS, and email; manages phone numbers, SIM cards, AI assistants, and storage on the Telnyx communications platform. Use Telnyx as a communication layer for triggering workflows and sending context where it belongs. Start from Inbound SMS/MMS, then follow with Get Call Control Application or Get Call Status.

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Supported triggers and actions for Telnyx integration

Triggers can detect changes in Telnyx and run actions that can create, search or modify data inside Telnyx automatically [3] — exactly how you set them.

Inbound SMS/MMSTriggers when the account receives an SMS, MMS, or RCS message.
Get Call Control ApplicationRetrieves the details of an existing call control application.
Get Call StatusReturns the status of a call; data is available 10 minutes after the call ended.
Get ConferenceReturns the details of a single conference.
Get Email DomainRetrieves a single email domain's configuration and verification state.
Get Email Event StatisticsRetrieves aggregate email delivery counts and rates for a time range.
Get Email MessageRetrieves an email message's details, including its plain-text and HTML bodies.
Get Email TemplateRetrieves a single email template by ID.
Get FaxReturns the details of a single fax, including its current status.
Get Fax ApplicationRetrieves the details of an existing Fax Application.
Get Global IPReturns the details of a single Global IP, including its address and current configuration.
Get Global IP AssignmentReturns the details of a single Global IP assignment.
Get Global IP Usage MetricsRetrieves data transmitted/received usage metrics for your Global IPs.
Get Group MMS MessagesRetrieves every message belonging to a group MMS conversation.
Get MessageRetrieves the details of a message sent or received in the last 10 days.
Get Messaging Hosted NumberRetrieves a specific messaging hosted number by its ID or phone number.
Get Messaging Hosted Number OrderReturns the current state, phone numbers, and required actions for a hosted-messaging order.
Get Messaging ProfileReturns the complete configuration of a messaging profile.
Get Messaging RCS AgentRetrieves the configuration and state of an RCS agent registered on the old Messaging RCS API.
Get Mobile Phone NumberReturns a single mobile (SIM-attached) phone number.
Get Number ReservationReturns the details of a single phone number reservation, including its status and the reserved numbers.
Get Outbound Voice ProfileRetrieves the details of an outbound voice profile.
Get RCS CapabilitiesReturns the RCS features a specific recipient supports for an agent.
Get RecordingRetrieves the details of an existing call recording, including its media download URLs.
Get Recording TranscriptionRetrieves the details of an existing recording transcription.
Get Short CodeRetrieves the messaging configuration and assignment details of a short code.
Get VerificationRetrieves a verification's channel, phone number, and current status by ID.
Get Verification RequestRetrieves a single tollfree verification request by its ID.
Get Verified NumberRetrieves the details of a verified number on your account.
Get VoicemailReturns the voicemail settings for a phone number.
Get WhatsApp Conversation WindowChecks whether the 24-hour WhatsApp conversation window is currently open for a destination.
Get WhatsApp Message TemplateRetrieves a specific WhatsApp message template by its ID.
Get WhatsApp ProfileRetrieves the WhatsApp business profile for a phone number.
List Call Control ApplicationsLists your call control applications, with optional filters and sorting.
List Call EventsLists call events filtered by given parameters, ordered by occurred_at, for debugging call flows.
List Conference ParticipantsLists the participants in a conference.
List ConferencesLists the account's conferences.
List Connection Active CallsLists all active calls for a given SIP, call control, or TeXML connection.
List Email DomainsLists the account's sending/receiving email domains.
List Email EventsLists account-wide email delivery lifecycle events (queued, delivered, bounced, opened, clicked, etc).
List Email MessagesLists the account's email messages.
List Email TemplatesLists the account's email templates.
List Fax ApplicationsLists your Fax Applications, which configure how you send and receive faxes using the Programmable Fax API.
List FaxesRetrieves a paginated list of faxes sent or received on your account.
List Global IP AssignmentsReturns a paginated list of your Global IP assignments, the links between Global IPs and the WireGuard peers that receive their traffic.
List Global IPsReturns a paginated list of the Global IPs on your account, including each IP's address and configuration.
List Messaging Hosted Number OrdersLists the hosted-messaging orders on the account.
List Messaging Hosted NumbersLists the messaging hosted numbers on the account.
List Messaging Profile Phone NumbersLists the phone numbers currently associated with a messaging profile.
List Messaging ProfilesLists the messaging profiles owned by the account.
List Messaging RCS AgentsLists the RCS agents registered on the old Messaging RCS API for the account.
List Messaging URL DomainsLists the URL domains available for message URL shortening.
List Mobile Phone NumbersLists the account's mobile (SIM-attached) phone numbers.
List Number ReservationsGets a paginated list of phone number reservations.
List Opt-OutsLists the opt-out blocks created when message recipients opt out.
List Outbound Voice ProfilesLists the outbound voice profiles belonging to the account.
List Phone Numbers JobsLists background jobs that operate on batches of phone numbers.
List Recording TranscriptionsLists your recording transcriptions, with optional filters by recording and creation date.
List RecordingsLists your call recordings, with optional filters to locate specific recordings.
List Short CodesLists short codes owned by the account.
List Verification RequestsLists previously-submitted tollfree verification requests.
List Verified NumbersLists the phone numbers you have verified for use as a caller ID with your Telnyx account.
List WhatsApp Business AccountsLists the WhatsApp Business Accounts connected to the Telnyx account.
List WhatsApp Message TemplatesLists the WhatsApp message templates for the account's WhatsApp Business Accounts.
List WhatsApp Phone NumbersLists the phone numbers registered for WhatsApp on the account.
Retrieve Phone Numbers JobReturns the status and details of a phone-numbers background job.
Search Available Phone Number BlocksSearches the Telnyx inventory for available contiguous phone-number blocks, filterable by locality, country, national destination code and number type.
Search Available Phone NumbersSearches the Telnyx inventory for available phone numbers by pattern, location, number type, features and reservability.
Call Control ActionPerforms any Call Control action (answer, hangup, bridge, transfer, gather, playback, recording, streaming, transcription, AI assistant, and more) against an in-progress call by its call_control_id. Collapses the full Call Control actions surface into one universal command picker.
Cancel FaxCancels an outbound fax that is still queued, media.processed, originated, or sending.
Cancel MessageCancels a scheduled message that has not yet been sent.
Cancel Scheduled Email MessageCancels a scheduled email message before it sends.
Conference ActionPerforms any Conference action (join, leave, hold, mute, play audio, speak text, record, update, stop, and more) against an in-progress conference by its conference_id. Collapses the full Conference actions surface into one universal command picker.
Create CallDials a phone number or SIP URI from a connection.
Create Call Control ApplicationCreates a call control application, which defines the webhook endpoints and settings used to control calls on associated connections.
Create ConferenceCreates a conference from an existing call leg and bridges the call into it.
Create Email DomainRegisters a new domain for sending or receiving email through Telnyx.
Create Email MessageCreates and sends, schedules, or sandbox-creates an email message.
Create Email Message BatchCreates and sends up to 50 email messages in a single batch request.
Create Email TemplateCreates a new email template.
Create Fax ApplicationCreates a new Fax Application. Once created, assign phone numbers to it via the Phone Numbers API.
Create Global IPRequests creation of a new Global IP, a static IP address announced from the Telnyx network. Provisioning is asynchronous; poll Get Global IP to check status.
Create Global IP AssignmentAssigns a Global IP to a WireGuard peer so traffic destined for the IP is delivered over that peer's tunnel. Assignment is asynchronous.
Create Group MMS MessageSends an MMS to multiple recipients as a single group conversation.
Create Long Code MessageSends an SMS or MMS message from a long-code phone number.
Create Messaging Hosted Number OrderCreates an order to enable Telnyx messaging on numbers whose voice service stays with another carrier.
Create Messaging ProfileCreates a messaging profile that controls outbound sender selection and webhooks.
Create Number Pool MessageSends a message using a number pool, letting Telnyx pick an eligible sender.
Create Number ReservationCreates a phone number reservation for one or more numbers, holding them for a short window before purchase.
Create Outbound Voice ProfileCreates a new outbound voice profile defining calling permissions and limits.
Create Short Code MessageSends an SMS or MMS message from a short code.
Create Verification CallStarts a phone verification that delivers the code in a voice call.
Create Verification SMSStarts a phone verification that delivers the code by SMS.
Create Verified NumberInitiates a phone number verification procedure via SMS or an automated call, with optional DTMF extension dialing.
Create Verify ProfileCreates a new Verify profile to associate verifications with.
Create VoicemailCreates voicemail settings for a phone number, optionally configuring a custom greeting.
Create WhatsApp Message TemplateCreates a new WhatsApp message template for approval by Meta.
Create WhatsApp VerificationStarts a phone verification that delivers the code over WhatsApp.
Delete a Batch of Phone NumbersCreates a background job to delete up to a thousand phone numbers at once.
Delete Call Control ApplicationPermanently deletes the specified call control application and its webhook configuration.
Delete Email DomainDeletes an email domain. Verified domains require the force flag.
Delete Email MessageDeletes an email message's data.
Delete FaxDeletes a fax resource from your account.
Delete Fax ApplicationPermanently deletes a Fax Application. Deletion may be prevented if the application is in use by phone numbers.
Delete Global IPDeletes the specified Global IP and releases its address back to Telnyx.
Delete Global IP AssignmentRemoves a Global IP assignment, stopping traffic for that IP from being delivered to the WireGuard peer.
Delete Messaging ProfileDeletes the specified messaging profile and returns its final configuration.
Delete Outbound Voice ProfileDeletes an existing outbound voice profile.
Delete RecordingPermanently deletes a call recording; the media is removed and can no longer be downloaded.
Extend Number ReservationExtends the expiry time on all phone numbers held by a number reservation.
Generate RCS DeeplinkGenerates a deeplink URL that starts an RCS conversation with an agent.
Make an API CallPerforms an arbitrary authorized API request to the Telnyx API.
Refresh FaxRefreshes an inbound fax's media URL after it has expired.
Render Email TemplateRenders a template's subject and body with the given Liquid variables.
Schedule MessageSchedules an SMS or MMS message to send at a future time.
Send Alphanumeric Sender ID MessageSends an SMS message from an alphanumeric sender ID.
Send FaxSends a fax. Files have size (50MB) and page count (350) limits; use either a media URL or an already-uploaded media name, not both.
Send MessageSends an SMS or MMS message using a phone number, alphanumeric sender ID, short code, or number pool.
Send RCS MessageSends an RCS message through an RCS agent to a phone number.
Send WhatsApp MessageSends a WhatsApp message using a Telnyx WhatsApp-enabled number.
Submit Verification RequestSubmits a new tollfree verification request.
Update a Batch of Phone NumbersCreates a background job to update settings on up to a thousand phone numbers, selected by ID or by filter.
Update Call Control ApplicationUpdates settings of an existing call control application.
Update Email TemplatePartially updates an existing email template.
Update Emergency Settings for a Batch of NumbersCreates a background job to enable or disable emergency services on up to a thousand phone numbers.
Update Fax ApplicationUpdates settings of an existing Fax Application.
Update Global IP AssignmentUpdates a Global IP assignment. Only the maintenance flag can be changed after creation; the Global IP and WireGuard peer are fixed.
Update Messaging ProfileUpdates the supplied settings on a messaging profile; omitted settings remain unchanged.
Update Mobile Phone NumberUpdates settings on a mobile (SIM-attached) phone number.
Update Outbound Voice ProfileUpdates an existing outbound voice profile's settings.
Update Short CodeUpdates the messaging profile binding and tags of a short code.
Update VoicemailUpdates voicemail settings for a phone number, optionally configuring a custom greeting.
Update WhatsApp Message TemplateUpdates an existing WhatsApp message template.
Update WhatsApp ProfileUpdates the WhatsApp business profile for a phone number.
Verify Domain DNS RecordsTriggers a re-check of an email domain's DNS records against Telnyx's recommended values.
Verify Verification CodeSubmits the verification code received via the selected verification method to verify a phone number.
Verify Verification Code By IDVerifies a submitted code, or a custom-code result, against a verification by ID.

How to integrate Telnyx in automation workflow?

3 simple steps to make your Telnyx connected with other apps in automation workflows on WEXTL. Up to 10 minutes integration set up.

STEP 1

Select Telnyx in workflow

Pick Telnyx app in the workflow builder [4] - just one click to select the app.

STEP 2

Connect Telnyx

When prompted, authorize access to Telnyx in WEXTL once. Telnyx credentials are encrypted and never shared with WEXTL. Authorization will be reused in any future API calls [3].

WEXTL wants to integrate with your Telnyx account. Approve?

STEP 3

Build a workflow

Build your workflow with Telnyx yourself or with WEXTL® AI Builder. Connect Telnyx to any available integrations [5], or use HTTP node to go beyond them.

Telnyx

How Telnyx connects and integrates with WEXTL

Save and approve your credentials once — WEXTL® stores authorization information encrypted and reuses the authentication whenever Telnyx app is called in workflows. That allows your communication automations to run without your attention, per defined schedule [7]. Explore documentation [6] for a detailed list of fields that Telnyx supports.

Full Telnyx API documentation

The following table illustrates what fields Telnyx integration require during authorization flow inside our workflow builder [4].

Demonstration of Telnyx connection step inside WEXTL Workflow Builder [4].

Field	Type	Help
API KeyRequired	password	Create an API key in the Mission Control Portal (portal.telnyx.com → API Keys). Paste the key here — it is never displayed again after save.

Connect Telnyx to popular apps on WEXTL

Enter a name of the other app you want to sync with Telnyx below. Click on selected app to explore integration options with Telnyx. If the app you search for is not available in WEXTL yet, you can use HTTP node [10] instead to integrate it directly.

Example automation with Telnyx integration

Select Inbound SMS/MMS trigger from Telnyx - this will be a starting point in your automation. Whenever event happens in Telnyx, workflow will start [7] from Inbound SMS/MMS node.

Search for Create Group MMS Message, connect it as the next step of integration sequence. You can use filters between Inbound SMS/MMS and Create Group MMS Message, so only important data pass from Inbound SMS/MMS to the next step. WEXTL gives you full control over the process of Telnyx automation. All parts of workflow are visible on the canvas [4].

Telnyx on WEXTL has 137 modules for combining communication automations. Explore Telnyx documentation for more.

Telnyx

Inbound SMS/MMS

Bandwidth

Performs action

Bandwidth

Triggers

Telnyx

Create Group MMS Message

Demonstration of how visual Telnyx automation [6] looks in WEXTL.

Frequently asked questions

Common questions about automating Telnyx in your workflows.

Telnyx has 1 trigger, including "Inbound SMS/MMS". Triggers are start points of the workflow, and automations may start from them.

Integration has 136 actions, including "Get Call Control Application", "Get Call Status", and "Get Conference", and more. Refer to our Telnyx Documentation for detailed inputs and outputs.

No. Most automations are built visually on the canvas by picking triggers, actions, and mapping fields. You can add custom JavaScript with Functions when advanced logic is needed — but our customers do that in rare cases [4].

Yes. Connections are authenticated per account, credentials are encrypted at rest, and you can enforce approvals and team-level access controls on any automation.

The Telnyx integration on WEXTL runs directly on its vendor public API — every field name, authentication method, and rate limit is controlled by Telnyx official API and covered in documentation [3]. WEXTL handles the request signing and pagination for you.

Absolutely. Where Telnyx provides native webhooks, you can use instant triggers to eliminate polling delay. For custom webhooks, WEXTL offers Custom Webhook node, so you can start automation whenever Telnyx or any other service sends event to webhook URL.

WEXTL is an AI-first visual canvas. The platform allows you to describe automation in plain text — and AI will wire nodes for Telnyx inside the workflow builder [4]. You can also use built-in workflow nodes (AI Agent, Human in the Loop, Condition, Aggregate Results) in pair with Telnyx modules to craft complex integration flows with branches, filtering, and conditional logic. There are absolutely no limits of what you can build.

References

List of sources used to gather information about the Telnyx integration.

Telnyx integration source code, module specs and credentials implementation.
Internal Telnyx integration documentation, structured input and output parameters, scopes, and authentication methods.
Official Telnyx vendor API documentation — used to verify field meanings, authentication flows, and anything our own specs don't fully capture.
WEXTL® Visual Workflow Builder, anonymized data from our technical support team.
WEXTL® Apps Library
WEXTL® Telnyx App Documentation
WEXTL® Workflow Scheduler
WEXTL® HTTP node documentation

Telnyx Integration

Supported triggers and actions for Telnyx integration