Twilio SMS
Send SMS messages to one or more recipients using the Twilio Messaging API.
Twilio SMS
Twilio is a cloud communications platform. The AACFlow Twilio SMS block uses the Twilio Messaging API to send SMS messages to one or more phone numbers.
For Voice operations, see the separate Twilio Voice block.
Official documentation: https://www.twilio.com/docs/messaging/api
Setup
- Log in to the Twilio Console and note your Account SID and Auth Token from the dashboard home page.
- Obtain or purchase a Twilio phone number to use as the sender (
Fromnumber). - In AACFlow, add a Twilio SMS block and enter:
- Twilio Account SID
- Auth Token (stored as a secret)
- From Twilio Phone Number (E.164 format, e.g.
+12025551234)
No OAuth flow is used; credentials are sent as HTTP Basic Auth to the Twilio REST API.
Operations
| Operation | Description |
|---|---|
twilio_send_sms | Send an SMS message to one or more recipient phone numbers (one per line, E.164 format). |
Example workflow
When a high-severity alert fires in a monitoring system, a Twilio SMS block sends an on-call notification to the engineer's phone number with the alert details, and the returned message SID is stored for audit purposes.
Links
- Official docs: https://www.twilio.com/docs/messaging/api
- Twilio Console: https://console.twilio.com/
- Block source: apps/aacflow/blocks/blocks/twilio.ts

