Configures SMS-based one-time passcode (OTP) two-factor authentication. A code is sent by text message to the user's registered phone number at login.
Settings
- Message
- The text of the SMS message sent to the user. Use the placeholder
$[code] where the numeric code should appear. Maximum length is 160 characters to fit a single SMS. Default: Your SMS Authentication code is $[code]
- Code Length
- The number of digits in the one-time code. Range 4–16. Default is 6.
- Use Cloud Service
- When enabled (default), SMS messages are sent via the platform's hosted cloud SMS service. Disable to use the locally configured SMS provider (e.g. Twilio).
When "Use Cloud Service" is disabled, ensure a local SMS provider (such as Twilio) is configured and enabled.