---
title: "Once (@once)"
description: "Music distribution service for artists."
account: "once"
---

# Once

Music distribution service for artists.

## APIs

1 public API with a stored document.
Each links to its markdown overview; the same address with
`/llms.txt` in place of `.md` lists its operations.
Changes across these APIs: https://skmtc.dev/once/feed.md

- [ONCE REST API](https://skmtc.dev/once/apis/once-rest-api.md): Music distribution: submit releases to stores, manage credits, uploads, webhooks and AI detection checks