birkinbagstock-com

BirkinBagStock operates an online marketplace that lists authenticated new and pre‑owned Hermès Birkin bags from 143 luxury resellers. It provides tools such as AI‑powered search, price guides, market reports, and a direct seller‑to‑buyer listing service for owners to sell their bags. The site targets collectors and buyers seeking verified Birkin inventory and market data.

birkinbagstock-com publishes 13 API contracts indexed on the APIs.io network, including Alternatives API, Auction Results API, Auctions API, and 10 more. Tagged areas include Luxury Resale, Marketplace, Authentication, Price Index, and Bag Marketplace.

The birkinbagstock-com catalog on APIs.io includes 1 Spectral governance ruleset.

birkinbagstock-com’s developer surface includes pricing, engineering blog, getting-started guide, API reference, and 14 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

24.7/100 emerging Agent 21/100 agent aware Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

1 published contract 1 MCP Servers

Luxury Resale Marketplace Authentication Price IndexBag MarketplaceCollector Tools

Kin Score

Kin Score How this is scored →
scored 2026-11-06 · rubric v0.27.0

Composite quality — 24.7/100 · emerging

Contract Quality 8.3 / 21

Developer Ergonomics 2.6 / 17

Access Clarity 2.7 / 17

Operational Transparency 0.0 / 11

Contract Governance 1.9 / 10

Discoverability 5.6 / 9

Regulatory Posture 2.2 / 15

Agent readiness — 21/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 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

MCP Tool Quality 6 / 6

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 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
Rate-Limit Signaling +7 pts — OpenAPI responses document X-RateLimit-* / RateLimit headers (verified), else a rate_limits artifact or RateLimits link (documented)
Request/Response Examples +7 pts — share of operations carrying request/response examples; else an Examples / Code Samples link
Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document

9 more unmet checks in the Agent Readiness table above.

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

Developer Ergonomics scores 15.5 — up to +16.9 composite points
Access Clarity scores 15.8 — up to +16.8 composite points
Contract Quality scores 38.9 — up to +15.3 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/birkinbagstock-com/apis.yml: open an issue on github.com/api-evangelist/birkinbagstock-com 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 →

Standards implemented 2

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

Model Context Protocol (MCP)

measured — observed by APIs.io (documented)

OpenAPI

measured — observed by APIs.io (published)

APIs 13

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

birkinbagstock-com Alternatives API

The Alternatives API from birkinbagstock-com — 2 operation(s) for alternatives.

birkinbagstock-com Auction Results API

The Auction Results API from birkinbagstock-com — 1 operation(s) for auction results.

birkinbagstock-com Auctions API

The Auctions API from birkinbagstock-com — 1 operation(s) for auctions.

birkinbagstock-com Buy API

The Buy API from birkinbagstock-com — 1 operation(s) for buy.

birkinbagstock-com Data API

The Data API from birkinbagstock-com — 6 operation(s) for data.

birkinbagstock-com Freshness API

The Freshness API from birkinbagstock-com — 1 operation(s) for freshness.

birkinbagstock-com Inventory API

The Inventory API from birkinbagstock-com — 1 operation(s) for inventory.

birkinbagstock-com Listing API

The Listing API from birkinbagstock-com — 2 operation(s) for listing.

birkinbagstock-com Merchants API

The Merchants API from birkinbagstock-com — 1 operation(s) for merchants.

birkinbagstock-com News API

The News API from birkinbagstock-com — 1 operation(s) for news.

birkinbagstock-com Recommend API

The Recommend API from birkinbagstock-com — 1 operation(s) for recommend.

birkinbagstock-com Services API

The Services API from birkinbagstock-com — 1 operation(s) for services.

birkinbagstock-com .well Known API

The .well Known API from birkinbagstock-com — 1 operation(s) for .well known.

Scroll for all 13

MCP Servers 1

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

birkinbagstock-com MCP Server

Remote MCP server at birkinbagstock.com.

MCP SERVER

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

birkinbagstock-com API Rules

28 rules · 25 errors 2 warnings 1 info

SPECTRAL

Security Posture 1

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

Birkinbagstock Com Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Birkinbagstock Com Agentic Access

20 operations

20 operations · 0 acting

AGENTIC

Resources

Get Started 2

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

Documentation 1

Reference material describing how the API behaves

APIReference

APIReference

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

LLMsTxt

MCPServer

WellKnown

Design & Contract 3

Pagination, idempotency, versioning, errors, and events

Spectral

Spectral

ErrorCatalog

ErrorCatalog

Conformance

Conformance

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Commercial 3

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Pricing

Pricing

Company 3

The organization behind the API

Newsroom

Newsroom

Blog

Blog

Website

Website

Other 1

Properties that don't map to a standard resource type

Hosts

Hosts

Source (apis.yml)

aid: birkinbagstock-com
name: birkinbagstock-com
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source:
  - security
  generated: '2026-11-06'
  method: derived
image: https://birkinbagstock.com/og/home.png
description: BirkinBagStock operates an online marketplace that lists authenticated new and pre‑owned Hermès Birkin bags from
  143 luxury resellers. It provides tools such as AI‑powered search, price guides, market reports, and a direct seller‑to‑buyer
  listing service for owners to sell their bags. The site targets collectors and buyers seeking verified Birkin inventory
  and market data.
url: https://artifacts.apis.io/birkinbagstock-com/apis.yml
x-type: company
x-source: harvest:mcp-registry
x-tier: profiled
x-tier-reason: enrichment pass 2026-11-02 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-11-02'
modified: '2026-11-02'
tags:
- Luxury Resale
- Marketplace
- Authentication
- Price Index
- Bag Marketplace
- Collector Tools
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: AgenticAccess
  url: agentic-access/birkinbagstock-com-agentic-access.yml
- type: Spectral
  url: rules/birkinbagstock-com-rules.yml
- type: ErrorCatalog
  url: errors/birkinbagstock-com-problem-types.yml
- type: Conformance
  url: conformance/birkinbagstock-com-conformance.yml
- type: LLMsTxt
  url: llms/birkinbagstock-com-llms.txt
- type: MCPServer
  url: mcp/birkinbagstock-com-mcp.yml
- type: WellKnown
  url: well-known/birkinbagstock-com-well-known.yml
- type: Hosts
  url: hosts/birkinbagstock-com-hosts.yml
- type: TermsOfService
  url: https://birkinbagstock.com/terms
- type: PrivacyPolicy
  url: https://birkinbagstock.com/privacy
- type: Pricing
  url: https://birkinbagstock.com/guide/pricing
- type: Newsroom
  url: https://birkinbagstock.com/news
- type: DeveloperPortal
  url: https://birkinbagstock.com/developers
- type: Blog
  url: https://birkinbagstock.com/blog
- type: GettingStarted
  url: https://birkinbagstock.com/cli.txt
- type: APIReference
  url: https://birkinbagstock.com/docs
- type: DomainSecurity
  url: security/birkinbagstock-com-domain-security.yml
- type: Website
  url: https://birkinbagstock.com/
apis:
- aid: birkinbagstock-com:birkinbagstock-com-alternatives-api
  name: birkinbagstock-com Alternatives API
  description: The Alternatives API from birkinbagstock-com — 2 operation(s) for alternatives.
  humanURL: https://birkinbagstock.com/docs
  baseURL: https://birkinbagstock.com
  tags:
  - Alternatives
  properties:
  - type: OpenAPI
    url: openapi/birkinbagstock-com-alternatives-api-openapi.yml
- aid: birkinbagstock-com:birkinbagstock-com-auction-results-api
  name: birkinbagstock-com Auction Results API
  description: The Auction Results API from birkinbagstock-com — 1 operation(s) for auction results.
  humanURL: https://birkinbagstock.com/docs
  baseURL: https://birkinbagstock.com
  tags:
  - Auction Results
  properties:
  - type: OpenAPI
    url: openapi/birkinbagstock-com-auction-results-api-openapi.yml
- aid: birkinbagstock-com:birkinbagstock-com-auctions-api
  name: birkinbagstock-com Auctions API
  description: The Auctions API from birkinbagstock-com — 1 operation(s) for auctions.
  humanURL: https://birkinbagstock.com/docs
  baseURL: https://birkinbagstock.com
  tags:
  - Auctions
  properties:
  - type: OpenAPI
    url: openapi/birkinbagstock-com-auctions-api-openapi.yml
- aid: birkinbagstock-com:birkinbagstock-com-buy-api
  name: birkinbagstock-com Buy API
  description: The Buy API from birkinbagstock-com — 1 operation(s) for buy.
  humanURL: https://birkinbagstock.com/docs
  baseURL: https://birkinbagstock.com
  tags:
  - Buy
  properties:
  - type: OpenAPI
    url: openapi/birkinbagstock-com-buy-api-openapi.yml
- aid: birkinbagstock-com:birkinbagstock-com-data-api
  name: birkinbagstock-com Data API
  description: The Data API from birkinbagstock-com — 6 operation(s) for data.
  humanURL: https://birkinbagstock.com/docs
  baseURL: https://birkinbagstock.com
  tags:
  - Data
  properties:
  - type: OpenAPI
    url: openapi/birkinbagstock-com-data-api-openapi.yml
- aid: birkinbagstock-com:birkinbagstock-com-freshness-api
  name: birkinbagstock-com Freshness API
  description: The Freshness API from birkinbagstock-com — 1 operation(s) for freshness.
  humanURL: https://birkinbagstock.com/docs
  baseURL: https://birkinbagstock.com
  tags:
  - Freshness
  properties:
  - type: OpenAPI
    url: openapi/birkinbagstock-com-freshness-api-openapi.yml
- aid: birkinbagstock-com:birkinbagstock-com-inventory-api
  name: birkinbagstock-com Inventory API
  description: The Inventory API from birkinbagstock-com — 1 operation(s) for inventory.
  humanURL: https://birkinbagstock.com/docs
  baseURL: https://birkinbagstock.com
  tags:
  - Inventory
  properties:
  - type: OpenAPI
    url: openapi/birkinbagstock-com-inventory-api-openapi.yml
- aid: birkinbagstock-com:birkinbagstock-com-listing-api
  name: birkinbagstock-com Listing API
  description: The Listing API from birkinbagstock-com — 2 operation(s) for listing.
  humanURL: https://birkinbagstock.com/docs
  baseURL: https://birkinbagstock.com
  tags:
  - Listings
  tags_raw:
  - Listing
  properties:
  - type: OpenAPI
    url: openapi/birkinbagstock-com-listing-api-openapi.yml
- aid: birkinbagstock-com:birkinbagstock-com-merchants-api
  name: birkinbagstock-com Merchants API
  description: The Merchants API from birkinbagstock-com — 1 operation(s) for merchants.
  humanURL: https://birkinbagstock.com/docs
  baseURL: https://birkinbagstock.com
  tags:
  - Merchants
  properties:
  - type: OpenAPI
    url: openapi/birkinbagstock-com-merchants-api-openapi.yml
- aid: birkinbagstock-com:birkinbagstock-com-news-api
  name: birkinbagstock-com News API
  description: The News API from birkinbagstock-com — 1 operation(s) for news.
  humanURL: https://birkinbagstock.com/docs
  baseURL: https://birkinbagstock.com
  tags:
  - News
  properties:
  - type: OpenAPI
    url: openapi/birkinbagstock-com-news-api-openapi.yml
- aid: birkinbagstock-com:birkinbagstock-com-recommend-api
  name: birkinbagstock-com Recommend API
  description: The Recommend API from birkinbagstock-com — 1 operation(s) for recommend.
  humanURL: https://birkinbagstock.com/docs
  baseURL: https://birkinbagstock.com
  tags:
  - Recommend
  properties:
  - type: OpenAPI
    url: openapi/birkinbagstock-com-recommend-api-openapi.yml
- aid: birkinbagstock-com:birkinbagstock-com-services-api
  name: birkinbagstock-com Services API
  description: The Services API from birkinbagstock-com — 1 operation(s) for services.
  humanURL: https://birkinbagstock.com/docs
  baseURL: https://birkinbagstock.com
  tags:
  - Services
  properties:
  - type: OpenAPI
    url: openapi/birkinbagstock-com-services-api-openapi.yml
- aid: birkinbagstock-com:birkinbagstock-com-well-known-api
  name: birkinbagstock-com .well Known API
  description: The .well Known API from birkinbagstock-com — 1 operation(s) for .well known.
  humanURL: https://birkinbagstock.com/docs
  baseURL: https://birkinbagstock.com
  tags:
  - .well Known
  properties:
  - type: OpenAPI
    url: openapi/birkinbagstock-com-well-known-api-openapi.yml
x-enrichment:
  date: '2026-11-02'
  status: enriched
  artifacts_added: 16
  pass: modular-v1
  engine: identity=local,contract=local,surfaces=local,docs=local,regulatory=local

birkinbagstock-com API — frequently asked questions

Does birkinbagstock-com have an API?

Yes. APIs.io lists 13 APIs from birkinbagstock-com, including birkinbagstock-com Alternatives API, birkinbagstock-com Auction Results API and birkinbagstock-com Auctions API, and 10 more.

Is there an OpenAPI specification for the birkinbagstock-com API?

Yes. APIs.io indexes 13 OpenAPI specifications for birkinbagstock-com, each linked for download from this page.

Does birkinbagstock-com have an MCP server?

Yes. APIs.io lists 1 MCP server for birkinbagstock-com: Remote MCP server at birkinbagstock.com.

Is the birkinbagstock-com API ready for AI agents?

birkinbagstock-com has a Kin Score of 24.7 out of 100 (emerging) and an Agent Readiness score of 20.6 (agent-aware), scored by API Evangelist on 2026-11-06.

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