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Auth0’s default phone message flow addresses the requirements of most applications. You may want to customize your phone message flow, such as in the following use cases:
  • Localize your phone messages to meet the needs of different target markets.
  • Set a custom sending phone number or select a different phone message provider based on the custom domain or region.
  • Enable different phone message templates per application, tenant, or custom domain.
The Auth0 Management API provides endpoints to help you manage your phone message flow to control when and how phone messages are sent. You can also implement and manage your own custom phone endpoints using the Auth0 .

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Customize Multi-factor Authentication SMS and Voice Messages

Learn how to customize SMS and voice messages sent by Auth0 during enrollment and verification.

Auth0's Unified Phone Experience

Use Auth0's Unified Phone Experience for Multi-Factor Authentication

Migrate your phone provider configuration to the Unified Phone Experience.

Use the Unified Phone Experience for Passwordless

Learn how to configure the Unified Phone Experience for Passwordless authentication.

Configure Auth0 Unified Phone Experience

Learn how to configure Auth0's Unified Phone Experience for MFA and Passwordless.

Migrate to Unified Phone Experience with Terraform

Learn how to migrate from the legacy Guardian phone configuration to the Unified Phone Experience using the Auth0 Terraform Provider.

Configure Phone Messaging Providers

Configure Twilio as a Phone Messaging Provider

Configure Twilio as a phone messaging provider in the Auth0 Dashboard.

Custom Phone Provider

4 pages

Phone Templates

Customize Phone Templates

Customize the appearance and content of phone messages sent by Auth0's phone-based workflows using phone templates.

Supported Liquid Syntax for Phone Templates

Learn about the Liquid tags, filters, and common variables supported in phone templates.