AI Stem Splitter API
The facts below are what the maker publishes about AI Stem Splitter API, checked and dated. Our editors have not written about it yet.
Plans and prices
From AI Stem Splitter API's own pricing page, checked 8 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Free trial — 3 mins | Free | 3 minutes of processing · 3 minutes; no credit card required; free minutes stay until used |
| Free trial | Free | 3 processing minutes · no credit card · minutes never expire |
| 50 mins | $6.99, paid once | 50 minutes · ≈ 16 songs · minute pack; purchased minutes never expire |
| 50 minutes | $6.99, paid once | 50 processing minutes · approximately 16 songs · credits never expire |
| Pro | $9 a month | Homepage says users can go Pro |
| 150 minutes | $15, paid once | 150 processing minutes · approximately 50 songs · credits never expire |
| 150 mins | $15, paid once | 150 minutes · ≈ 50 songs · minute pack; purchased minutes never expire |
| 500 minutes | $39.99, paid once | 500 processing minutes · approximately 166 songs · credits never expire |
| 500 mins | $39.99, paid once | 500 minutes · ≈ 166 songs · minute pack; purchased minutes never expire |
The facts
Each one read from AI Stem Splitter API's own pages, with the date it was checked.
What it does
- API
- The REST API supports direct URLs or uploads, job-status polling, and signed webhooks.checked 8 Oct 2026
- API authentication and credits
- API requests use bearer API keys, and one credit represents one second of source audio.checked 15 Oct 2026
- API errors
- Documented errors include unauthorized, insufficient credits, validation, rate limiting and server errors with HTTP codes 401, 402, 422, 429 and 500.checked 15 Oct 2026
- API input and status flow
- The API supports direct URLs or presigned uploads, then exposes queued, processing, succeeded and failed job states.checked 15 Oct 2026
- Audio length limit
- The homepage lists 20 minutes as the longest supported track.checked 8 Oct 2026
- Audio model
- The site says its separation uses htdemucs, with guitar and piano provided by the htdemucs_6s model.checked 8 Oct 2026
- BPM and key detection
- Uploads receive automatic tempo and musical-key analysis.checked 15 Oct 2026
- Credit expiry
- Both free and purchased minutes remain available until consumed and do not expire.checked 15 Oct 2026
- Developer integrations
- The SDK page lists first-party SDKs for Node.js, Python, Java, Go, PHP, Swift, and Lua, plus n8n, GitHub Actions, Docker/CLI, and Pipedream options.checked 8 Oct 2026
- DJ export
- DJ mode provides beat grids, Camelot notation and Rekordbox XML export.checked 15 Oct 2026
- DJ features
- DJ mode offers beat grids, Camelot notation, and Rekordbox XML export.checked 8 Oct 2026
- Download formats
- Separated stems can be downloaded as WAV, MP3 or FLAC files.checked 15 Oct 2026
- Exports and preview
- Users can preview stems in a browser waveform player and download WAV, MP3, or FLAC files.checked 8 Oct 2026
- Failed-job refunds
- The service pre-charges a submission and automatically refunds the same amount when processing fails.checked 15 Oct 2026
- Formats and size
- The upload form lists MP3, WAV, FLAC, M4A, AAC, OGG, and WEBM, with a 50 MB maximum.checked 8 Oct 2026
- Input formats and size
- The homepage accepts MP3, WAV, FLAC, M4A, AAC, OGG and WEBM files up to 50 MB.checked 15 Oct 2026
- Intended users
- The homepage presents the tool for producers, DJs, vocalists, and karaoke fans.checked 8 Oct 2026
- Limit: Cyrillic filenames
- A forum participant said files whose names use Cyrillic characters failed to upload.checked 15 Oct 2026
- Limit: pricing criticism
- One forum reply accused the service of charging for software the commenter believed was freely available and called that deceptive.checked 15 Oct 2026
- Limit: regional access
- A forum participant reported that the site was inaccessible from their region.checked 15 Oct 2026
- Limit: reported glitches
- The same discussion includes a user who said uploads sometimes produced errors and described the site as buggy.checked 15 Oct 2026
- Link processing
- Users can submit YouTube or SoundCloud links for direct processing into stems.checked 8 Oct 2026
- n8n capabilities
- The verified n8n node offers Create Split, Get Credits and Get Split actions.checked 15 Oct 2026
Money
- Billing unit
- Billing deducts the exact duration of submitted audio, measured down to the second.checked 15 Oct 2026
