1stdibs

1stDibs is an online marketplace for luxury antiques, vintage and modern furniture, fine art, jewelry, watches, and fashion. It connects a global network of vetted sellers and design dealers with buyers seeking curated, authenticated high-end goods, backed by purchase-protection and authenticity guarantees. 1stDibs does not operate a public REST/OpenAPI developer program; its documented machine-facing surface is an official Model Context Protocol (MCP) server, registered as com.1stdibs/1stDibs, that lets agents browse and search the marketplace.

1stdibs is listed with 1 API on the APIs.io network. Tagged areas include Company, Retail, Marketplace, Luxury Goods, and E-Commerce.

1stdibs’ developer surface includes support, documentation, engineering blog, and 8 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

16.4/100 emerging ▬ flat Agent 4/100 human only Front door AI 1/6 silent saas Full breakdown ↓
scored 2026-10-31 · rubric v0.25.0 · Show this score on your site →

1 API 1 MCP Servers

Company Retail Marketplace Luxury Goods E-Commerce Furniture Art Jewelry MCP

Kin Score

Kin Score How this is scored →
scored 2026-10-31 · rubric v0.25.0

Composite quality — 16.4/100 · emerging

Contract Quality 0.0 / 21

Developer Ergonomics 4.5 / 17

Access Clarity 3.6 / 17

Operational Transparency 0.6 / 11

Contract Governance 0.0 / 10

Discoverability 5.5 / 9

Regulatory Posture 2.1 / 15

Agent readiness — 4/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

Machine-Readable Contract +18 pts — api_specs includes an OpenAPI document
Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author
Machine-Readable Auth +10 pts — a served openid-configuration/oauth-authorization-server carrying `issuer` (served), else the securitySchemes class in the provider OpenAPIs — bound (mutualTLS, DPoP, Signature) > negotiable (oauth2 authorizationCode/clientCredentials, openIdConnect) > bearer (http bearer, apiKey)
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented)
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0
Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes

12 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Contract Quality scores 0.0 — up to +25.0 composite points
Access Clarity scores 21.1 — up to +15.8 composite points
Developer Ergonomics scores 26.2 — up to +14.8 composite points

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/1stdibs/apis.yml: open an issue on github.com/api-evangelist/1stdibs to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Markets this provider is in provisional

The Kin Score Market layer reads a provider inside its market: its position, and how deep its integrations go. Depth is only comparable within a position. Provisional and unweighted: not part of the Kin Score or agent readiness.

Market	Position	Depth	Registered MCP server	Declares compatibility
Fashion & Apparel (apparel, footwear, textiles)	undeclared	-	1	-
Film & Media Identifiers (EIDR, ISAN, MovieLabs, DPP)	undeclared	-	1	-

Registered MCP server and declares compatibility are report only — not weighted. Undeclared means we found nothing we can read, so there is no number: we never infer integrations.

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

1stDibs MCP Server

Official remote Model Context Protocol server (com.1stdibs/1stDibs) for browsing and searching luxury design items on the 1stDibs marketplace. Streamable-HTTP transport, API-key...

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

1stDibs

MCP server for browsing and searching items on 1stDibs marketplace.

MCP SERVER

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

1Stdibs Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

MCPServer

MCPServer

LLMsTxt

LLMsTxt

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 2

The organization behind the API

Website

Website

Blog

Blog

Source (apis.yml)

aid: 1stdibs
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/1stdibs.png
name: 1stdibs
description: 1stDibs is an online marketplace for luxury antiques, vintage and modern furniture, fine art, jewelry, watches,
  and fashion. It connects a global network of vetted sellers and design dealers with buyers seeking curated, authenticated
  high-end goods, backed by purchase-protection and authenticity guarantees. 1stDibs does not operate a public REST/OpenAPI
  developer program; its documented machine-facing surface is an official Model Context Protocol (MCP) server, registered
  as com.1stdibs/1stDibs, that lets agents browse and search the marketplace.
url: https://raw.githubusercontent.com/api-evangelist/1stdibs/refs/heads/main/apis.yml
x-type: company
x-source: index-ventures-portfolio
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-17'
tags:
- Company
- Retail
- Marketplace
- Luxury Goods
- E-Commerce
- Furniture
- Art
- Jewelry
- MCP
apis:
- name: 1stDibs MCP Server
  description: Official remote Model Context Protocol server (com.1stdibs/1stDibs) for browsing and searching luxury design
    items on the 1stDibs marketplace. Streamable-HTTP transport, API-key authentication.
  humanURL: https://www.pulsemcp.com/servers/1stdibs
  baseURL: https://www.1stdibs.com/soa/mcp/
  properties:
  - type: MCPServer
    url: mcp/1stdibs-mcp.yml
  aid: 1stdibs:1stdibs-mcp-server
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.1stdibs.com
- type: MCPServer
  url: mcp/1stdibs-mcp.yml
- type: LLMsTxt
  url: llms/1stdibs-llms.txt
- type: DomainSecurity
  url: security/1stdibs-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/1stdibs
- type: Support
  url: https://support.1stdibs.com/hc/en-us/
- type: TermsOfService
  url: https://www.1stdibs.com/about/user-agreement/
- type: PrivacyPolicy
  url: https://www.1stdibs.com/about/privacy-policy/
- type: Documentation
  url: https://www.1stdibs.com/about/
- type: Blog
  url: https://www.1stdibs.com/blogs/the-study
- type: DeveloperPortal
  url: https://www.pulsemcp.com/servers/1stdibs

1stdibs API — frequently asked questions

Does 1stdibs have an API?

Yes. APIs.io lists 1 API from 1stdibs, including 1stDibs MCP Server.

Does 1stdibs have an MCP server?

Yes. APIs.io lists 1 MCP server for 1stdibs: MCP server for browsing and searching items on 1stDibs marketplace.

Is the 1stdibs API ready for AI agents?

1stdibs has a Kin Score of 16.4 out of 100 (emerging) and an Agent Readiness score of 3.5 (human-only), scored by API Evangelist on 2026-10-31.

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Tools for providers

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get_provider_artifactsEvery artifact this provider publishes, grouped by type.
get_provider_operationsEvery operation across all of their OpenAPIs — one call instead of parsing every spec.
get_provider_toolsEvery MCP tool they ship, with the operation each wraps.
get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.
get_provider_ratingPRO — composite, band, trend and facet scores.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

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