---
title: "Search audio (music or sound effects)"
method: GET
path: "/v3/audio/sounds"
tags: ["Audio"]
---

# Search audio (music or sound effects)

`GET /v3/audio/sounds`

## Request

- Base URL: `https://api.heygen.com`
- URL: `https://api.heygen.com/v3/audio/sounds`
- Auth: one of:
  - API key in header `x-api-key`
  - HTTP bearer

Searches the music or sound-effects catalog by natural-language description (`type=music` by default, or `sound_effects`). Returns tracks ranked by similarity, each with a download URL, paginated by cursor.

## Query parameters

- `query` string, required
- `type` 'music' | 'sound_effects'
- `limit` integer
- `min_score` number
- `token` string

## Response `200`

Successful response

- object
  - `data` AudioSoundItem[]
    - `id` string, required: Unique identifier for the audio track.
    - `name` string, required: Display name of the audio track.
    - `description` string, required: Semantic description the track was indexed under.
    - `audio_url` string, required: Temporary pre-signed URL to download the audio file. Expires; do not cache long-term.
    - `duration` number, nullable: Duration of the audio in seconds, when known.
    - `peak_offset` number, nullable: For sound effects, seconds from clip start to the loudest RMS peak. Null for tracks without placement metadata.
    - `placement` string, nullable: For sound effects, suggested placement mode: 'hit', 'riser', or 'bed'. Null for tracks without placement metadata.
    - `score` number, required: Semantic similarity score (0-1); higher means a closer match.
    - `type` 'music' | 'sound_effects', required: Audio content type for catalog search. Each value maps to its own Pinecone namespace (see music_search._NAMESPACE_BY_TYPE).
  - `has_more` boolean: Whether more pages are available
  - `next_token` string, nullable: Opaque cursor for the next page

## Other responses

- `400`: Invalid request parameters
- `401`: Authentication failed
- `429`: Rate limit exceeded
- `503`: Temporarily unavailable — the request did not complete and is safe to retry.

## Changes

- **2026-11-03** `7dfa5e59b4f5`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/heygen/apis/heygen-external-api/changes/v3/audio/sounds/get.md)

---

[API](https://skmtc.dev/heygen/apis/heygen-external-api.md) - [All operations](https://skmtc.dev/heygen/apis/heygen-external-api/llms.txt) - [OpenAPI document](https://skmtc.dev/heygen/apis/heygen-external-api/revisions/7dfa5e59b4f5?raw)