Freesound

Overview

Freesound hosts millions of CC-licensed sound samples — search, download, and analyze audio. Auth is an OAuth2 token (an invalid token returns 401, verified).

Quick Start

Search (replace YOUR_TOKEN):

curl "https://freesound.org/apiv2/search/text/?query=rain&token=YOUR_TOKEN"

{
  "count": 12345,
  "results": [
    {
      "id": 123,
      "name": "rain-on-roof.wav",
      "duration": 12.5,
      "previews": { "preview-hq-mp3": "https://freesound.org/data/previews/..." },
      "license": "https://creativecommons.org/licenses/by/4.0/"
    }
  ]
}

Sound details:

curl "https://freesound.org/apiv2/sounds/123/?token=YOUR_TOKEN"

Authentication

• Register at freesound.org → create an app (OAuth2) → token.
• Send it as the token query parameter (invalid → 401, verified).

Rate Limits & Notes

• Free: ~2,000 requests/day + download quotas (check the docs); more via donation/partnership.
• Every sound carries a license (CC) — attribution is required for reuse.
• Endpoints: /apiv2/search/text/, /apiv2/sounds/{id}/, /apiv2/analysis/.

FAQ

Is Freesound free? Free tier with daily quotas; sounds are CC-licensed.

How do I get a token? freesound.org → create an app (OAuth2).

Can I download sounds? Yes — with quotas, via the API or website.