> For the complete documentation index, see [llms.txt](https://fusionauth.io/docs/llms.txt)

# Twilio Integration

Learn more about the pre 1.26.0 FusionAuth Twilio integration.

> **CAUTION:** The functionality described on this page is deprecated as of version `1.26.0`. For `1.26.0` and later, see the [Email & Messages documentation](https://fusionauth.io/docs/customize/email-and-messages.md).

[Twilio](https://www.twilio.com/) is a popular third party messaging API. This integration when enabled allows FusionAuth to deliver push messaging during Two-Factor authentication.

## Configuration

The Twilio integration may be enabled using the [Integrations](https://fusionauth.io/docs/apis/integrations.md) API or through the FusionAuth UI by navigating to Settings -> Integrations -> Twilio .

![Twilio Configuration](https://fusionauth.io/img/docs/customize/email-and-messages/deprecated/integration-twilio.png)