# Unlock Protocol **Canonical:** https://apis.io/providers/unlock-protocol/ **Website:** https://unlock-protocol.com/ **APIs profiled:** 34 Unlock Protocol is an open-source, community-governed protocol for onchain memberships and subscriptions. Creators deploy "locks" (membership smart contracts) that mint time-based, optionally recurring membership NFTs ("keys") across Ethereum, Base, Optimism, Polygon, Arbitrum, and other networks. The hosted Locksmith REST API adds off-chain conveniences — metadata storage, event ticketing with QR verification, checkout configuration, receipts, fiat payments via Stripe Connect, WebSub webhooks, and email delivery — while GraphQL subgraphs index the contracts per network. Originally built by Unlock Labs, stewardship passed to the Unlock Protocol Foundation and the Unlock DAO in 2025. ## Kin Score — 50.9 / 100 (developing) Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 50.9). | Facet | Score | |---|---| | Discoverability | 81.5 | | Contract Quality | 55.6 | | Governance | 30.3 | | Contract Governance | 30.3 | | Operational Transparency | 31.6 | | Developer Ergonomics | 73.2 | | Commercial Clarity | 27.6 | | Access Clarity | 27.6 | Regulatory layer — **Payments**: 39.1 (matched via tags). ## Agent readiness — 38.6 (agent-ready) | Dimension | Value | |---|---| | Spec Presence | yes | | Agentic Access | no | | Reversibility Documented | documented | | MCP Server | no | | Auth Clarity | yes | | Idempotency | no | | Error Semantics | documented | | OpenAPI Examples | partial | | Rate Limit Signal | no | | Event Surface Described | yes | | Agent Skills | derived | | Well Known Catalog | no | | Consent Identity | no | | Agent Card | no | | Dry Run Mode | no | ## Access Self-serve signup — onboarding: self-serve, pricing: unknown, trial: no (confidence: medium). ## APIs (34) - **Unlock Subgraphs (GraphQL)** — GraphQL subgraphs deployed on The Graph for each Unlock Protocol network, indexing locks, keys, and protocol data from the smart contracts. Unlock hosts a development endpoint p... - **Unlock Protocol Applications API** — The Applications API from Unlock Protocol — 3 operation(s) for applications. - **Unlock Protocol Auth API** — The Auth API from Unlock Protocol — 6 operation(s) for auth. - **Unlock Protocol Captcha API** — The Captcha API from Unlock Protocol — 1 operation(s) for captcha. - **Unlock Protocol Certificate API** — The Certificate API from Unlock Protocol — 1 operation(s) for certificate. - **Unlock Protocol Charges API** — The Charges API from Unlock Protocol — 1 operation(s) for charges. - **Unlock Protocol Checkout API** — The Checkout API from Unlock Protocol — 2 operation(s) for checkout. - **Unlock Protocol Claim API** — The Claim API from Unlock Protocol — 2 operation(s) for claim. - **Unlock Protocol Contracts API** — The Contracts API from Unlock Protocol — 1 operation(s) for contracts. - **Unlock Protocol Credit Card Details API** — The Credit Card Details API from Unlock Protocol — 1 operation(s) for credit card details. - **Unlock Protocol Email API** — The Email API from Unlock Protocol — 3 operation(s) for email. - **Unlock Protocol Email Subscriptions API** — The Email Subscriptions API from Unlock Protocol — 2 operation(s) for email subscriptions. - **Unlock Protocol Event Collection API** — The Event Collection API from Unlock Protocol — 9 operation(s) for event collection. - **Unlock Protocol Events API** — The Events API from Unlock Protocol — 9 operation(s) for events. - **Unlock Protocol Hooks API** — The Hooks API from Unlock Protocol — 2 operation(s) for hooks. - **Unlock Protocol Images API** — The Images API from Unlock Protocol — 1 operation(s) for images. - **Unlock Protocol Lock API** — The Lock API from Unlock Protocol — 2 operation(s) for lock. - **Unlock Protocol Lock Settings API** — The Lock Settings API from Unlock Protocol — 2 operation(s) for lock settings. - **Unlock Protocol Locks API** — The Locks API from Unlock Protocol — 4 operation(s) for locks. - **Unlock Protocol Merkle Tree API** — The Merkle Tree API from Unlock Protocol — 1 operation(s) for merkle tree. - **Unlock Protocol Metadata API** — The Metadata API from Unlock Protocol — 4 operation(s) for metadata. - **Unlock Protocol Pass API** — The Pass API from Unlock Protocol — 2 operation(s) for pass. - **Unlock Protocol Price API** — The Price API from Unlock Protocol — 1 operation(s) for price. - **Unlock Protocol Privy API** — The Privy API from Unlock Protocol — 1 operation(s) for privy. - **Unlock Protocol Purchase API** — The Purchase API from Unlock Protocol — 6 operation(s) for purchase. - **Unlock Protocol Receipts API** — The Receipts API from Unlock Protocol — 4 operation(s) for receipts. - **Unlock Protocol Receipts Base API** — The Receipts Base API from Unlock Protocol — 1 operation(s) for receipts base. - **Unlock Protocol Rsvp API** — The Rsvp API from Unlock Protocol — 5 operation(s) for rsvp. - **Unlock Protocol Stripe API** — The Stripe API from Unlock Protocol — 2 operation(s) for stripe. - **Unlock Protocol Subscriptions API** — The Subscriptions API from Unlock Protocol — 1 operation(s) for subscriptions. - **Unlock Protocol Ticket API** — The Ticket API from Unlock Protocol — 9 operation(s) for ticket. - **Unlock Protocol Transfer API** — The Transfer API from Unlock Protocol — 2 operation(s) for transfer. - **Unlock Protocol Users API** — The Users API from Unlock Protocol — 8 operation(s) for users. - **Unlock Protocol Verifier API** — The Verifier API from Unlock Protocol — 3 operation(s) for verifier. ## MCP servers (1) - **Unlock Protocol MCP Server** ## Security (2) - **Unlock Protocol Authentication** — apiKey/http · 2 schemes - **Unlock Protocol Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC ## Tags Blockchain, Memberships, Subscription, NFT, Ticketing, Web3, Payments --- Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/unlock-protocol/). Scores are computed from the provider's own public artifacts under a published rubric.