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Passwordless · Setup

Set up SMS code

SMS code is passwordless sign-in: a one-time code sent to the user's phone.

The method does nothing until the same environment has an SMS provider connected. Authenticator-app MFA is a separate setting and does not use this method.

Connect a provider first

In the Authdog console, select the project and environment, open Notifications > Providers, and select the SMS channel. Connect one provider and send its test:

The provider you just connected becomes the one that sends. Others you connect later are fallbacks after a hard failure.

Enable the method

  1. Open Authentication > Methods.
  2. Enable SMS.
  3. Open the hosted sign-in page for that environment.
  4. Request a code for a handset you control and enter it.
  5. Confirm the user session is created.

If the test from the provider succeeds and the sign-in code never arrives, the method is on but the active provider is a different environment's. Providers do not copy between environments.

SMS as a second factor, after a password or social sign-in, is configured under Multi-factor authentication, not by this method. See Multi-factor authentication.

Read To learn how to
Multi-factor authentication SMS as a second factor
WhatsApp The same idea on WhatsApp, through Twilio
Marketplace The listing for this integration