---
title: "Unlock (@unlock-protocol)"
description: "Ʉnlock is a protocol for memberships built on a blockchain."
account: "unlock-protocol"
---

# Unlock

Ʉnlock is a protocol for memberships built on a blockchain.

## 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/unlock-protocol/feed.md

- [Unlock Locksmith](https://skmtc.dev/unlock-protocol/apis/unlock-locksmith.md): Ticketing: issue, sign and verify event tickets, plus lock metadata, RSVPs, Stripe payments and wallet passes