Privacy Policy

Last updated: 1 October 2026

AudioSilo Meta is a public, open source audiobook metadata database: this website, a read-only API, and the whole catalogue published as downloadable SQLite releases. There are no user accounts and nothing to sign in to. We set no cookies and run no analytics, advertising, or tracking scripts of any kind.

Who we are

AudioSilo Meta ("the database") is published by KodeStar. Questions about this policy can be sent to kode@audiosilo.app.

Server logs

Like any web server, ours keeps ordinary technical logs of the requests it answers: the requested URL, a timestamp, the IP address the request came from, and the browser's user agent. These are used only to operate the service and to deal with abuse such as scraping floods or attacks. They are not used to profile anyone and they are not shared.

Search

Search queries go to this site's own API, on the same origin as the page you are reading. They are handled like any other request - the ordinary logs described above, nothing more. There is no search history, because there is nobody to attach one to.

Language filter

The languages you choose under "Languages" in the header, and whether you have answered the one-line language suggestion, are stored only in your browser (in local storage on this device). To decide whether to offer that suggestion, the page reads the languages your browser already states; they are not sent anywhere. The languages you choose are sent only as the lang parameter on the search, latest additions and contribute-list requests they narrow.

Importing your library (/import)

The import page compares a library export against the database and shows you which of your books are catalogued and which are new. The export file is parsed entirely in your browser. The file itself never leaves your device, and nothing about your library is uploaded to us. Matching is done by asking the public API about identifiers and, for books it cannot match that way, author names - the same requests the search box makes.

Watching a series (/watching)

The series you watch and the marks you make on individual books - "I have this" and "not interested" - are stored only in your browser (in local storage on this device) and are never sent to the server - there is no account to attach them to. The page asks the public API only which books each series contains, the same request the series page makes, and clearing this site's data clears your watchlist, which is why the page offers a download of it.

To show a count of new releases next to "Watching" in the site header, this browser asks the public API for your own watched-series feed at most once an hour. That request carries only the series slugs - the same list a subscription URL carries - and its answer is kept in this browser until the next hourly check. If you are not watching anything, no such request is made.

A notification feed URL, and the calendar subscription URL that is the same feed in calendar form, carry the watched series slugs in the URL, are served statelessly without storing a subscription, and appear in ordinary access logs like any other request. Whatever service you subscribe with - a feed reader, a calendar app, an automation service - sees that URL and the series it lists, and so does our access log each time that service fetches it.

The one notification service we run ourselves is the bot on the AudioSilo Discord. If you send it your feed URL, it stores your Discord user ID, that URL, whether you have paused it, and the feed entries it has already sent you or is waiting to send, so it knows what is new. Send it stop to delete all of it; leaving the server removes it too. Your messages are handled by Discord under its own privacy policy.

The lookup assist (/add)

On the add-a-book page, searching for a title queries libex, a third-party Audible-metadata mirror, directly from your browser. That service therefore sees the text you searched for and your IP address, under its own terms. This happens on /add and nowhere else on the site.

Cover images

The database stores cover art as URLs, not as files - typically pointing at retailer content delivery networks. When a page shows covers, your browser fetches those images from the hosts that serve them, and those hosts see your IP address as they would for any image on the web.

Contributing

Contributions are made on GitHub, through issues and pull requests, under GitHub's own terms and privacy policy. Contributions are public and permanently recorded in the repository's history, and the data itself is published under open licences (CC0-1.0 for the factual core, CC BY-SA 4.0 for the community layer). A contributor's GitHub username is therefore part of the public record and cannot meaningfully be withdrawn later.

People in the database

The database contains bibliographic facts about published authors, narrators and other credited contributors: their names, the works they are credited on, and public identifiers. This is public information about public creative work - the same material a library catalogue or a bookshop listing carries - not private personal data. If you are credited in the database and something is wrong, or you have a concern about a record, please open an issue or email kode@audiosilo.app.

External links

Pages here link out to GitHub, Discord, audiosilo.app and other sites. Once you follow such a link you are on a service governed by its own privacy policy, not this one.

Changes to this policy

We may update this policy as the service evolves. Changes will be reflected by the "Last updated" date above and published at the same URL.

Contact

Questions about this privacy policy can be sent to kode@audiosilo.app.