---
title: "List available noise suppression engines"
method: GET
path: "/noise_suppression_engines"
tags: ["Noise Suppression Engines"]
---

# List available noise suppression engines

`GET /noise_suppression_engines`

## Request

- Base URL: `https://api.telnyx.com/v2`
- URL: `https://api.telnyx.com/v2/noise_suppression_engines`
- Auth: HTTP bearer

Returns all noise suppression engines available to the authenticated user. Engines gated behind a feature flag are included only when the flag is enabled for the user's account. Results are not paginated; the number of engines is expected to remain small.

## Response `200`

A list of noise suppression engines available to the authenticated user

- NoiseSuppressionEnginesListResponse
  - `data` NoiseSuppressionEnginesNoiseSuppressionEngine[], required
    - `value` string, required: Machine-readable identifier of the engine, used when configuring noise suppression.
    - `label` string, required: Human-readable name of the engine.
    - `default_attenuation_level` integer, required: Default attenuation level of the engine (0-100, in multiples of ten).

## Other responses

- `401`: Unauthorized — the request did not carry valid Telnyx API credentials

## Changes

- **2026-10-15** `a72569d69430`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/team-telnyx/apis/telnyx-api/changes/noise_suppression_engines/get.md)

---

[API](https://skmtc.dev/team-telnyx/apis/telnyx-api.md) - [All operations](https://skmtc.dev/team-telnyx/apis/telnyx-api/llms.txt) - [OpenAPI document](https://skmtc.dev/team-telnyx/apis/telnyx-api/revisions/0f17b8167873?raw)