An Open Audio Archive
For the people who make spoken word.
MP3Slovo is the open distribution layer for spoken-word audio. Submit editions, mirror your catalogue, syndicate through our public RSS and API, or partner with one of 38 national libraries — all free, all openly indexed.
Why publish with us
Four reasons 2,400+ creators already mirror here.
MP3Slovo treats your spoken-word edition as part of a living archive — open to read, open to syndicate, open to cite. Here is what that looks like in practice.
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01
Open syndication to 312 third-party apps.
Your catalogue ships through a public RSS feed and REST API consumed by 312 podcast players, university libraries, and accessibility tools worldwide. No gated tiers, no exclusivity clauses — your work goes where listeners already are.
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02
38% smaller files, same fidelity.
Our custom Opus-to-MP3 transcode pipeline produces files that average 38% smaller than equivalent bitrates from competing platforms — verified by an independent audio engineering audit in March 2024. Lighter downloads, cheaper bandwidth, cleaner audio.
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03
Curated by 47 named editors.
A hand-picked editorial bench — including a Nobel-shortlisted fiction editor and two former BBC Radio producers — reads what arrives and places worthy editions into thematic playlists. Discovery is editorial, not algorithmic.
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04
Free, with no signup wall.
MP3Slovo is ad-supported and open by design. Listeners browse, stream, and download without registering — a deliberate contrast to the $14.95/mo industry standard. Your audience meets your work without friction.
How an edition reaches the archive
Four steps from your inbox to live syndication.
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Step 01
Write to the editors.
Email [email protected] with a brief description of the edition, rights documentation, and one sample MP3. Religious communities, indie podcasters, and rights-holders all use the same address.
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Step 02
Editorial review.
A named member of the 47-editor bench reads, listens, and confirms rights status. Public-domain, Creative Commons, and rights-holder submissions are all welcome — we verify provenance before indexing.
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Step 03
Transcode and metadata.
Our Opus-to-MP3 pipeline rebuilds the audio at 38%-smaller equivalent bitrates. We author metadata for narrator, author, runtime, language, and subject so listeners find the work in seconds.
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Step 04
Live syndication.
The edition goes live on the archive, propagates through the public RSS feed and REST API, and is reachable from 312 third-party apps and 38 partner national libraries — typically within five business days.
The numbers behind an open archive
Established infrastructure, audited publicly.
Uptime over the trailing 12 months — public status page live since 2017.
Third-party apps, university libraries, and accessibility tools consuming our public API and RSS.
Partner national libraries, including the Internet Archive, the Czech National Library, and the National Library of Sweden.
Podcasters, authors, and audiobook creators who use MP3Slovo as their primary distribution mirror.
"We started mirroring our sermon archive on MP3Slovo in 2019 because it was the only open platform that indexed recordings by narrator, scripture reference, and language — three things our listeners actually search by. Six years later, the same catalogue still streams clean, the files are still the smallest we've found anywhere, and a third of our weekly downloads now come in through third-party apps we never integrated ourselves. It is, quietly, the most reliable piece of infrastructure in our publishing stack."
Two ways to start
Write to the right inbox.
Pick the path that matches your work. We answer both — usually within two business days, never longer than a week.
For rights-holders, authors, and religious communities
Submit a spoken-word edition.
Send rights documentation and a sample MP3 to [email protected]. Public-domain, Creative Commons, and rights-holder submissions all welcome. Typical reply within 2 business days.
Email [email protected]For developers, podcast apps, and podcasters
Integrate via API or RSS.
Mirror your catalogue through our public REST API and RSS feed, or use MP3Slovo as a distribution mirror for your existing podcast. Documentation is open; rate limits are generous.
Read the technical notes