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Sinch SMS

Estimated reading: 1 minute Updated July 31, 2026

Overview

AFI sends SMS messages through Sinch SMS from WordPress form submissions. Trigger transactional SMS — confirmations, OTPs, alerts — directly from user form interactions.

Supported actions

  • Send SMS — single recipient, customisable body.

Authentication

  1. Sign up for Sinch.
  2. Open Dashboard > APIs > SMS REST API.
  3. Copy your Service Plan ID and API Token.
  4. Note your assigned region (us, eu).
  5. In AFI go to Settings > Sinch SMS and paste all three values.

How to create the integration

  1. In WordPress admin, go to AFI > New Integration.
  2. Pick your Sender (Contact Form 7, WPForms, WooCommerce, etc.) and the form / event to listen on.
  3. Pick Sinch SMS as the Receiver, then pick the Task you want to run.
  4. Map sender fields onto Sinch SMS’s fields. E.164 phone number + message body are required.
  5. Optional: add Conditional Logic so the action only fires on matching submissions.
  6. Save and run a test submission. Check AFI > Log if anything looks off.

Notes & caveats

  • Region matters. EU and US clusters have different API hosts.
  • Sender ID must be pre-approved for the destination country (especially US 10DLC).
  • Character limits: SMS segments at 160 GSM characters / 70 Unicode characters.

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