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REST endpoints, auth, callbacks, OpenAPI 3.1 spec.
Seven first-party SDKs (Node, Python, Java, Go, PHP, Swift, Lua).
Mint a key in Settings → Developer.
Detect tempo and musical key — no signup
Nightcore, daycore, or sped-up versions from a YouTube link or upload.
Shift pitch up or down without affecting tempo.
Slow + reverb edits for TikTok, Reels, and slowed playlists.
Generate free AI voiceovers for short videos.
Remove vocals for karaoke tracks, quick acapellas, and six-stem previews from files or supported links
Pull a clean acapella out of any song for a remix, mashup, or DJ edit.
Pull the guitar out and practice over the real band — vocals, drums, and bass.
Paste a YouTube or SoundCloud link and split it into vocals, drums, bass, piano, guitar, and other stems
Remove vocals from a song to make a clean instrumental backing track for sing-alongs, rehearsals, and karaoke nights
Upload a song and download one drumless track — vocals, bass, and everything except the drums.
Extract spoken voice from noisy recordings, interviews, calls, and field audio.