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ActionTelnyxUpdated May 2026

How do I send an SMS through Telnyx?

Short answer: Drop the "TelnyxSend SMS" action anywhere in your workflow, map the inputs from upstream nodes, and publish.

Inputs

The fields this action accepts.

Every field can be mapped from an upstream trigger, AI step, table row, or hard-coded literal.

FieldTypeRequiredDescription
From (E.164)
from
stringRequired
To (E.164)
to
stringRequired
Text
text
stringRequired
Messaging Profile ID
messaging_profile_id
stringOptional
Sample request
{
"from": "{{trigger.from}}",
"to": "{{trigger.to}}",
"text": "{{trigger.text}}",
"messaging_profile_id": "{{trigger.messaging_profile_id}}"
}
Returns
{
"data": {
"id": "msg_abc",
"to": [
{
"status": "queued",
"phone_number": "+19999999999"
}
],
"from": {
"phone_number": "+18888888888"
},
"text": "Hi"
}
}

Use these fields in downstream nodes for routing, logging, or error handling.

Triggered by

Apps that pair well as the trigger for Send SMS.

Any of these apps can fire this action as part of a workflow.

FAQ

Questions about Send SMS.

What does the Send SMS action do in Telnyx?
Sends a text message from a Telnyx number (or messaging profile) to a destination number. US/Canada destinations require 10DLC registration to avoid carrier filtering.
What inputs does Send SMS require?
Required: From (E.164), To (E.164), Text. Every input accepts a static value or a variable from any upstream node in your workflow.
Can I use dynamic inputs from earlier workflow nodes?
Yes. Any field on this action can pull values from upstream nodes, whether that's a form response, a trigger payload, an AI output, or a lookup result.
What happens if Telnyx returns an error?
The workflow pauses on the failed node, the error message is captured in the run log, and you can retry the run with one click. Auto-retry policies are configurable per workflow with exponential backoff up to 5 attempts.
Does Send SMS support batch operations?
Yes. Run Send SMS inside a Loop node to process arrays. Tiny Command handles Telnyx's rate limits automatically so you don't have to throttle manually.
More actions

Other Telnyx actions.

Send send sms from your workflows.

Triggered by anything in the catalog. Free tier available. No credit card.