SMS MFA Rate Exceed Error

Last Updated: Aug 23, 2024

Overview

This article explains the reason behind the below error while using SMS MFA during the authentication process. No code was sent, and the error message too_many_sms_per_tenant can be seen in the logs with the below description:

no capacity for SMS 2FA"/"SMS per tenant rate exceed

Applies To

  • SMS
  • Rate Limits

Cause

This error message indicates that the limit of 100 messages per tenant has been reached while using the Auth0 provider.

Solution

The Auth0 provider is intended only for testing. For production use, an SMS delivery provider with either Twilio or a custom SMS gateway should be used.