Artsy
Artsy (art.sy) is the online marketplace and platform for discovering, buying, and selling fine art, connecting collectors with galleries, museums, art fairs, and auction houses worldwide. Artsy operates a public developer program: the Artsy Public API (v2) is a HAL hypermedia REST API exposing Artsy's database of artists, artworks, genes (the Art Genome Project's classification of artistic characteristics), gallery and museum shows, partners, art fairs, and auction sales. Authentication uses an application-level X-Xapp-Token minted by exchanging a client_id and client_secret. Artsy also runs the Metaphysics GraphQL API that powers its own web and mobile apps. Artsy has announced that the public REST API is being retired and may be taken down without notice; the Partner API remains available to approved partners. Surfaced as a slow-ventures portfolio company and enriched by the API Evangelist pipeline from Artsy's live API and docs.
Real signal across most facets with visible, nameable gaps — the contract exists but is thin, or the portal is good while governance and commercial terms are absent.
API Evangelist profiles Artsy the way a machine reads it — 57 machine-readable artifacts across 25 APIs, pulled from the provider's own public surface and indexed so a developer, an analyst, or an AI agent can evaluate it against every other provider on the network.
Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. From those artifacts we compute the Kin Score — Artsy scores 43.1/100 (developing), with a separate agent-readiness read of 41/100 (agent ready). The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.
Kin Score
This is the API Evangelist rating — a single, repeatable read computed from the artifacts on this page. Green fill is points earned; the red track is points possible, so every bar shows earned-versus-possible at a glance.
Kin Score
How this is scored →scored 2026-08-17 · rubric v0.11.0
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<!-- Kin Score · API Evangelist -->
<a href="https://providers.apievangelist.com/providers/art/"
title="Artsy on API Evangelist — API profile and Kin Score">
<img src="https://apis.io/badge/art.svg"
alt="Artsy Kin Score — API readiness rating by API Evangelist" width="150" height="150" loading="lazy">
</a>[](https://providers.apievangelist.com/providers/art/)<!-- Kin Score · API Evangelist -->
<a href="https://providers.apievangelist.com/providers/art/"
title="Artsy on API Evangelist — API profile and Kin Score">
<img src="https://apis.io/badge/art/card.svg"
alt="Artsy Kin Score — API readiness rating by API Evangelist" width="340" height="120" loading="lazy">
</a>More shapes, themes and sizes → · Score as JSON · How badges work
How we profile Artsy
Each block below is one kind of artifact we hold for Artsy. For each we say what it is and why it earns a place in the profile, then list every one we've indexed — capped at two rows, scroll within the panel for the rest.
APIs 25
Each API is captured as its own OpenAPI definition — every operation, parameter, and response. This is the single most useful machine-readable description of what an API does, and it's what lets us score, lint, mock, and generate against it without asking the provider for anything.
Individual APIs this provider publishes, each with its own machine-readable definition.
Artsy Applications API
The Applications API from Artsy — 2 operation(s) for applications.
Artsy Artists API
The Artists API from Artsy — 2 operation(s) for artists.
Artsy Artworks API
The Artworks API from Artsy — 2 operation(s) for artworks.
Artsy Authentication API
The Authentication API from Artsy — 1 operation(s) for authentication.
Artsy Bidder Positions API
The Bidder Positions API from Artsy — 2 operation(s) for bidder positions.
Artsy Bidders API
The Bidders API from Artsy — 2 operation(s) for bidders.
Artsy Collection Items API
The Collection Items API from Artsy — 2 operation(s) for collection items.
Artsy Collections API
The Collections API from Artsy — 2 operation(s) for collections.
Artsy Collector Profiles API
The Collector Profiles API from Artsy — 2 operation(s) for collector profiles.
Artsy Devices API
The Devices API from Artsy — 2 operation(s) for devices.
Artsy Editions API
The Editions API from Artsy — 1 operation(s) for editions.
Artsy Fairs API
The Fairs API from Artsy — 2 operation(s) for fairs.
Artsy Genes API
The Genes API from Artsy — 2 operation(s) for genes.
Artsy Images API
The Images API from Artsy — 1 operation(s) for images.
Artsy Partner Communications API
The Partner Communications API from Artsy — 2 operation(s) for partner communications.
Artsy Partner Contacts API
The Partner Contacts API from Artsy — 2 operation(s) for partner contacts.
Artsy Partners API
The Partners API from Artsy — 2 operation(s) for partners.
Artsy Profiles API
The Profiles API from Artsy — 2 operation(s) for profiles.
Artsy Sale Artworks API
The Sale Artworks API from Artsy — 2 operation(s) for sale artworks.
Artsy Sales API
The Sales API from Artsy — 2 operation(s) for sales.
Artsy Search API
The Search API from Artsy — 1 operation(s) for search.
Artsy Shows API
The Shows API from Artsy — 2 operation(s) for shows.
Artsy Status API
The Status API from Artsy — 1 operation(s) for status.
Artsy User Fair Actions API
The User Fair Actions API from Artsy — 2 operation(s) for user fair actions.
Artsy Users API
The Users API from Artsy — 3 operation(s) for users.
Scroll within the panel for all 25 ·
Open Collections 26
Open, tool-agnostic collections carry the same runnable value as Postman without locking you to one client — the portable, forkable form of the same exercise.
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
API Collection
OPEN COLLECTIONArtsy Public Applications API
OPEN COLLECTIONArtsy Public Applications Artists API
OPEN COLLECTIONArtsy Public Applications Artworks API
OPEN COLLECTIONArtsy Public Applications Authentication API
OPEN COLLECTIONArtsy Public Applications Bidder Positions API
OPEN COLLECTIONArtsy Public Applications Bidders API
OPEN COLLECTIONArtsy Public Applications Collection Items API
OPEN COLLECTIONArtsy Public Applications Collections API
OPEN COLLECTIONArtsy Public Applications Collector Profiles API
OPEN COLLECTIONArtsy Public Applications Devices API
OPEN COLLECTIONArtsy Public Applications Editions API
OPEN COLLECTIONArtsy Public Applications Fairs API
OPEN COLLECTIONArtsy Public Applications Genes API
OPEN COLLECTIONArtsy Public Applications Images API
OPEN COLLECTIONArtsy Public Applications Partner Communications API
OPEN COLLECTIONArtsy Public Applications Partner Contacts API
OPEN COLLECTIONArtsy Public Applications Partners API
OPEN COLLECTIONArtsy Public Applications Profiles API
OPEN COLLECTIONArtsy Public Applications Sale Artworks API
OPEN COLLECTIONArtsy Public Applications Sales API
OPEN COLLECTIONArtsy Public Applications Search API
OPEN COLLECTIONArtsy Public Applications Shows API
OPEN COLLECTIONArtsy Public Applications Status API
OPEN COLLECTIONArtsy Public Applications User Fair Actions API
OPEN COLLECTIONArtsy Public Applications Users API
OPEN COLLECTIONScroll within the panel for all 26 ·
Arazzo Workflows 1
Real integrations are rarely a single call. Arazzo describes the multi-step sequences — auth, then create, then confirm — so both a human and an agent can follow the choreography, not just the endpoints.
Multi-step API workflows described with the Arazzo specification.
Find an artist and list their artworks
Mint an XApp token, search for an artist, then list that artist's artworks.
ARAZZOMCP Servers 1
Model Context Protocol servers expose these APIs directly to AI agents. We profile them because agent-native access is the fastest-growing way this provider's capabilities actually get used.
Model Context Protocol servers that expose these APIs to AI agents.
art-mcp.yml
MCP SERVERRate Limits 1
Rate limits are the difference between a demo that works and a production integration that doesn't fall over. Publishing them is an operational-transparency signal — and a hard requirement for any agent that plans its own throughput.
Documented rate limits and quota policies.
Art Rate Limits
RATE LIMITSSecurity Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals — the evidence that a provider takes security seriously enough to document it. We profile it because you can't govern what you can't see.
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
An x-agentic-access contract marks which operations are safe for an agent to run on its own and which need a human in the loop. It is the difference between an API an agent can use and one it can use safely.
Recommended x-agentic-access execution contracts for AI agents.
Resources
Every other property we hold for Artsy — documentation, portals, status pages, policies, and corporate surface — grouped by the job it does, following the integrator's arc from getting started to running in production.
Get Started 1
Portal, sign-up, and the first successful call
Documentation 3
Reference material describing how the API behaves
Agent Surfaces 4
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 7
Pagination, idempotency, versioning, errors, and events
Scroll within the panel for all 7 ·
Build 1
SDKs, sample code, and the tooling you integrate with
Access & Security 2
Authentication, authorization, and security posture
Operate 3
Status, limits, changes, and where to get help
Commercial 2
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API
Other 1
Properties that don't map to a standard resource type
← All providers · Data indexed from github.com/api-evangelist/art · machine-readable index on apis.io
This is an independent, third-party profile of Artsy, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.
The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.
Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.
info@apievangelist.com
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