---
title: Advanced Opt-in/ Opt-out support now supported by the Telnyx Messaging API
canonical: https://telnyx.com/release-notes/advanced-opt-in-opt-out-for-messaging
---
# Advanced Opt-in/ Opt-out support now supported by the Telnyx Messaging API

[Release notes](https://telnyx.com/release-notes)

# New Features for European SMS & MMS

### 30, Mar 2023

We’ve recently released Advanced Opt-in / Opt-out, which allows users to configure custom keyword, auto response & block rule operations for their respective messaging profiles.

Advanced Opt In / Out allows users to configure and personalise their own auto response behaviour, negating the need to implement their own mechanisms in order to align with industry standards.

You can now optionally personalise configurations to trigger based on inbound messages from specific countries, allowing for localised language support for your brand.

All of this is now achievable via the [UI in our Mission Control portal](https://portal.telnyx.com/#/app/programmable-messaging/keywords-management).

API Reference can be found [here](https://developers.telnyx.com/api/messaging/list-messaging-profiles).

[Start building](https://telnyx.com/sign-up)

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