FINESSE

FINESSE is a Los Angeles direct-to-consumer womenswear brand, founded in 2018, that positions itself as an AI-driven fashion house: proprietary demand-prediction models combined with weekly community votes decide which styles get produced and in what quantity, which the company frames as an answer to overproduction and fashion waste. It sells dresses, tops, bottoms, jumpsuits, outerwear, footwear and accessories in sizes XS-3X. FINESSE publishes no developer API program, but its storefront at finesse.us ships a genuine agent surface: a live Universal Commerce Protocol merchant profile at /.well-known/ucp, an unauthenticated MCP endpoint at /api/ucp/mcp exposing 13 catalog, cart, checkout and order tools with full JSON Schema inputs, an /agents.md instruction document advertised through a dedicated agentic-discovery sitemap, a mirroring /llms.txt, and OAuth 2.0 / OpenID Connect metadata for shopper accounts on account.finesse.us.

FINESSE publishes 2 APIs on the APIs.io network. Tagged areas include Company, Retail, E-Commerce, Fashion, and Apparel.

FINESSE’s developer surface includes documentation, API reference, getting-started guide, support, engineering blog, signup flow, authentication, and 19 more developer resources.

🌐 Visit website 📡 Source on GitHub

27.6/100 thin ▬ flat Agent 33/100 agent ready saas Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

AccessOpen

2 APIs 2 MCP Servers

Company Retail E-Commerce Fashion Apparel Direct to Consumer Agentic Commerce UCP MCP agent-native Shopify Consumer

Kin Score

Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0

Composite quality — 27.6/100 · thin

Contract Quality 0.0 / 25

Developer Ergonomics 11.0 / 20

Access Clarity 6.8 / 20

Operational Transparency 0.0 / 13

Contract Governance 2.2 / 12

Discoverability 7.6 / 10

Agent readiness — 33/100 · agent ready

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 5 / 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 6 / 6

Protected Resource Metadata 5 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 5 / 5

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.

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 github.com/api-evangelist/finesse: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 2

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

FINESSE UCP Commerce MCP API

Agent-facing commerce endpoint implementing the Universal Commerce Protocol (version 2026-04-08, with 2026-01-23 also supported) over MCP/JSON-RPC 2.0. Thirteen tools cover cata...

FINESSE Storefront JSON (read-only)

Unauthenticated read-only product endpoints that FINESSE documents for agents in its own agents.md: a paged product feed at /products.json, per-product and per-collection JSON, ...

MCP Servers 2

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

FINESSE UCP Commerce MCP

MCP SERVER

FINESSE MCP Server

MCP SERVER

Pricing Plans 1

Published pricing tiers and plan structures.

Finesse Plans Pricing

0 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Finesse Rate Limits

0 limits

RATE LIMITS

Security Posture 2

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

Finesse Authentication

0 schemes

SECURITY

Finesse Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Finesse Scopes

OAuth 2.0 · no documented scopes

0 scopes

SCOPES

Resources

Get Started 3

Portal, sign-up, and the first successful call

GettingStarted

GettingStarted

SignUp

SignUp

Login

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

MCPServer

LLMsTxt

WellKnown

AgentSkill

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Conventions

ErrorCatalog

DataModel

Lifecycle

Conformance

Access & Security 3

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

OAuthScopes

OAuthScopes

Operate 3

Status, limits, changes, and where to get help

Support

Support

HelpCenter

HelpCenter

RateLimits

RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Plans

Plans

Company 2

The organization behind the API

Website

Website

Blog

Blog

Other 1

Properties that don't map to a standard resource type

OpenIDConnect

OpenIDConnect

Source (apis.yml)

aid: finesse
name: FINESSE
description: 'FINESSE is a Los Angeles direct-to-consumer womenswear brand, founded in 2018, that positions itself as an AI-driven
  fashion house: proprietary demand-prediction models combined with weekly community votes decide which styles get produced
  and in what quantity, which the company frames as an answer to overproduction and fashion waste. It sells dresses, tops,
  bottoms, jumpsuits, outerwear, footwear and accessories in sizes XS-3X. FINESSE publishes no developer API program, but
  its storefront at finesse.us ships a genuine agent surface: a live Universal Commerce Protocol merchant profile at /.well-known/ucp,
  an unauthenticated MCP endpoint at /api/ucp/mcp exposing 13 catalog, cart, checkout and order tools with full JSON Schema
  inputs, an /agents.md instruction document advertised through a dedicated agentic-discovery sitemap, a mirroring /llms.txt,
  and OAuth 2.0 / OpenID Connect metadata for shopper accounts on account.finesse.us.'
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: open
  trial: false
  try_now: false
  public: true
  label: Open access
  confidence: medium
  source:
  - authentication
  - scopes
  - rate-limits
  - security
  generated: '2026-09-02'
  method: derived
image: https://finesse.us/cdn/shop/files/opt-1.jpg?v=1745528244
url: https://raw.githubusercontent.com/api-evangelist/finesse/refs/heads/main/apis.yml
x-api-posture: no-product-api
x-api-posture-basis: observed
x-api-posture-note: 'FINESSE publishes no developer API program, but its storefront at finesse.us ships a genuine agent surface:
  a live Universal Commerce Protocol merchant profile at /.well-known/ucp, an unauthenticated '
x-type: company
x-source: harvest:secondary-market
x-tier: profiled
x-tier-reason: enrichment
specificationVersion: '0.23'
created: '2026-08-12'
modified: '2026-08-12'
tags:
- Company
- Retail
- E-Commerce
- Fashion
- Apparel
- Direct to Consumer
- Agentic Commerce
- UCP
- MCP
- agent-native
- Shopify
- Consumer
tags_raw:
- Company
- retail
- ecommerce
- fashion
- apparel
- direct-to-consumer
- agentic-commerce
- ucp
- mcp
- agent-native
- shopify
- consumer
apis:
- name: FINESSE UCP Commerce MCP API
  description: Agent-facing commerce endpoint implementing the Universal Commerce Protocol (version 2026-04-08, with 2026-01-23
    also supported) over MCP/JSON-RPC 2.0. Thirteen tools cover catalog search and lookup, product detail, cart create/read/update/cancel,
    checkout create/read/update/complete/ cancel, and order retrieval. tools/list is anonymous; tool calls require a self-asserted
    meta.ucp-agent.profile URI, and payment completion requires contemporaneous human buyer approval. Money is expressed in
    ISO 4217 minor units.
  humanURL: https://finesse.us/agents.md
  baseURL: https://finesse.us/api/ucp/mcp
  tags:
  - Agentic Commerce
  - UCP
  - MCP
  - E-Commerce
  - Retail
  - Fashion
  - agent-native
  tags_raw:
  - agentic-commerce
  - ucp
  - mcp
  - ecommerce
  - retail
  - fashion
  - agent-native
  properties:
  - type: MCPServer
    url: mcp/finesse-mcp.yml
  - type: MCPServer
    url: https://finesse.us/api/ucp/mcp
  - type: Documentation
    url: https://finesse.us/agents.md
  - type: Authentication
    url: authentication/finesse-authentication.yml
  - type: Conventions
    url: conventions/finesse-conventions.yml
  - type: ErrorCatalog
    url: errors/finesse-problem-types.yml
  - type: DataModel
    url: data-model/finesse-data-model.yml
  - type: RateLimits
    url: rate-limits/finesse-rate-limits.yml
- name: FINESSE Storefront JSON (read-only)
  description: 'Unauthenticated read-only product endpoints that FINESSE documents for agents in its own agents.md: a paged
    product feed at /products.json, per-product and per-collection JSON, product search, and a sitemap index. Prices here
    are decimal strings, unlike the minor-unit integers the MCP surface returns. Unversioned, with no published stability
    guarantee. The baseURL is the site root by design and not a marketing placeholder: these endpoints genuinely live at https://finesse.us/products.json
    and https://finesse.us/collections/{handle}/products.json, both verified HTTP 200 on 2026-08-12.'
  humanURL: https://finesse.us/agents.md
  baseURL: https://finesse.us/
  tags:
  - E-Commerce
  - Retail
  - Fashion
  - Catalog
  - agent-native
  tags_raw:
  - ecommerce
  - retail
  - fashion
  - catalog
  - agent-native
  properties:
  - type: Documentation
    url: https://finesse.us/agents.md
  - type: DataModel
    url: data-model/finesse-data-model.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/finesse-domain-security.yml
- type: Website
  url: https://finesse.us/
- type: Documentation
  url: https://finesse.us/agents.md
- type: APIReference
  url: https://finesse.us/agents.md
- type: GettingStarted
  url: https://finesse.us/agents.md
- type: Support
  url: https://finesse.us/pages/contact
- type: HelpCenter
  url: https://finesse.us/pages/faq
- type: Blog
  url: https://finesse.us/blogs/news
- type: SignUp
  url: https://finesse.us/account/register
- type: Login
  url: https://finesse.us/account/login
- type: TermsOfService
  url: https://finesse.us/policies/terms-of-service
- type: PrivacyPolicy
  url: https://finesse.us/policies/privacy-policy
- type: MCPServer
  url: mcp/finesse-mcp.yml
- type: LLMsTxt
  url: llms/finesse-llms.txt
- type: WellKnown
  url: well-known/finesse-well-known.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Authentication
  url: authentication/finesse-authentication.yml
- type: OAuthScopes
  url: scopes/finesse-scopes.yml
- type: OpenIDConnect
  url: well-known/finesse-openid-configuration.json
- type: Conventions
  url: conventions/finesse-conventions.yml
- type: ErrorCatalog
  url: errors/finesse-problem-types.yml
- type: DataModel
  url: data-model/finesse-data-model.yml
- type: Lifecycle
  url: lifecycle/finesse-lifecycle.yml
- type: Conformance
  url: conformance/finesse-conformance.yml
- type: RateLimits
  url: rate-limits/finesse-rate-limits.yml
- type: Plans
  url: plans/finesse-plans-pricing.yml
x-enrichment:
  date: '2026-08-12'
  status: enriched
  artifacts_added: 22
  pass: local-v1

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