UrbanStems

UrbanStems is a direct-to-consumer flower and gifting company founded on Valentine's Day 2014 in Washington, DC, selling modern bouquets, plants, gifts and centerpieces with same-day delivery in major US cities and next-day delivery nationwide, sourced through a vertically integrated supply chain that buys direct from Rainforest Alliance Certified farms. Its storefront runs on Shopify at urbanstems.com, and the company exposes a genuine agent-facing commerce surface rather than a developer API program: a published /llms.txt and /agents.md, a /.well-known/ucp merchant profile implementing the Universal Commerce Protocol (UCP 2026-08-25), and a live unauthenticated Model Context Protocol endpoint offering thirteen catalog, cart, checkout and order tools that lets an agent search the catalog and drive a buyer-approved purchase end to end.

UrbanStems is listed with 2 APIs on the APIs.io network. Tagged areas include Company, Commerce, E-Commerce, Retail, and Flowers.

UrbanStems’ developer surface includes documentation, support, engineering blog, signup flow, authentication, and 22 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

25.0/100 emerging ▬ flat Agent 22/100 agent aware Front door AI 1/6 silent Heartbeat 50/100 alive Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

AccessSelf serve

2 APIs 1 MCP Servers 3 Agent Skills

Company Commerce E-Commerce Retail Flowers Gifting Agentic Commerce Universal Commerce Protocol MCP Shopify Direct to Consumer

Kin Score

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

Composite quality — 25.0/100 · emerging

Contract Quality 0.0 / 21

Developer Ergonomics 5.2 / 17

Access Clarity 5.8 / 17

Operational Transparency 0.3 / 11

Contract Governance 1.9 / 10

Discoverability 5.7 / 9

Regulatory Posture 5.1 / 15

Agent readiness — 22/100 · agent aware

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 9 / 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

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 Contract +18 pts — api_specs includes an OpenAPI document
Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0
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
Typed Event Surface +6 pts — AsyncAPI document, OR webhooks/callbacks objects in the as-published OpenAPI, OR common[].type includes Webhooks

4 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
Developer Ergonomics scores 30.4 — up to +13.9 composite points
Access Clarity scores 34.2 — up to +13.2 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/urbanstems/apis.yml: open an issue on github.com/api-evangelist/urbanstems 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 3

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 (platform)

Universal Commerce Protocol (UCP)

measured — observed by APIs.io (shopify)

OAuth 2.0 Protected Resource Metadata

measured — observed by APIs.io (verified)

APIs 2

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

UrbanStems Commerce MCP API

The agent-facing commerce surface for the UrbanStems store, implementing the Universal Commerce Protocol (dev.ucp.shopping) over MCP. Thirteen tools cover catalog search and loo...

UrbanStems Storefront JSON API

The read-only storefront JSON endpoints UrbanStems documents for agents in its own /llms.txt and /agents.md — product JSON at /products/{handle}.json, collection product listing...

MCP Servers 1

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

UrbanStems Model Context Protocol servers

Remote MCP server at 274513-24.myshopify.com.

MCP SERVER

Agent Skills 3

Packaged agent skills for driving this provider's APIs from an AI assistant.

urbanstems-build-a-gift-order

AGENT SKILL

urbanstems-complete-purchase-safely

AGENT SKILL

urbanstems-find-flowers

AGENT SKILL

UrbanStems API pricing

Pricing Plans 1

Published pricing tiers and plan structures.

Urbanstems Plans Pricing

0 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Urbanstems Rate Limits

0 limits

RATE LIMITS

Security Posture 2

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

Urbanstems Authentication

4 schemes

SECURITY

Urbanstems Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Urbanstems Scopes

4 scopes

SCOPES

Resources

Get Started 2

Portal, sign-up, and the first successful call

SignUp

SignUp

Login

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

MCPServer

LLMsTxt

WellKnown

AgentSkill

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Conventions

Idempotency

ErrorCatalog

Lifecycle

Conformance

DataModel

Build 3

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

ToolCrosswalk

ToolCrosswalk

Packages

Packages

Access & Security 3

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

OAuthScopes

OAuthScopes

Operate 2

Status, limits, changes, and where to get help

Support

Support

RateLimits

RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Plans

Plans

Company 3

The organization behind the API

Website

Website

Blog

Blog

BlogRSS

BlogRSS

Source (apis.yml)

aid: urbanstems
name: UrbanStems
description: 'UrbanStems is a direct-to-consumer flower and gifting company founded on Valentine''s Day 2014 in Washington,
  DC, selling modern bouquets, plants, gifts and centerpieces with same-day delivery in major US cities and next-day delivery
  nationwide, sourced through a vertically integrated supply chain that buys direct from Rainforest Alliance Certified farms.
  Its storefront runs on Shopify at urbanstems.com, and the company exposes a genuine agent-facing commerce surface rather
  than a developer API program: a published /llms.txt and /agents.md, a /.well-known/ucp merchant profile implementing the
  Universal Commerce Protocol (UCP 2026-08-25), and a live unauthenticated Model Context Protocol endpoint offering thirteen
  catalog, cart, checkout and order tools that lets an agent search the catalog and drive a buyer-approved purchase end to
  end.'
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  gated: none
  gated_source:
  - onboarding
  label: Self-serve signup
  confidence: medium
  probe_state: covered
  source:
  - authentication
  - scopes
  - rate-limits
  - security
  generated: '2026-11-06'
  method: derived
image: https://urbanstems.com/cdn/shop/t/637/assets/organization-image_large.png?v=133620255960512887901788204824
url: https://raw.githubusercontent.com/api-evangelist/urbanstems/refs/heads/main/apis.yml
x-type: company
x-source: harvest:secondary-market
specificationVersion: '0.20'
created: '2026-09-02'
modified: '2026-09-02'
tags:
- Company
- Commerce
- E-Commerce
- Retail
- Flowers
- Gifting
- Agentic Commerce
- Universal Commerce Protocol
- MCP
- Shopify
- Direct to Consumer
tags_raw:
- Company
- Commerce
- E-Commerce
- Retail
- Flowers
- Gifting
- Agentic Commerce
- Universal Commerce Protocol
- Model Context Protocol
- Shopify
- Direct to Consumer
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
apis:
- aid: urbanstems:urbanstems-commerce-mcp-api
  name: UrbanStems Commerce MCP API
  description: The agent-facing commerce surface for the UrbanStems store, implementing the Universal Commerce Protocol (dev.ucp.shopping)
    over MCP. Thirteen tools cover catalog search and lookup, product detail, cart create/update/cancel, checkout create/update/complete/cancel,
    and order retrieval. Anonymous — no API key or OAuth token is required to list tools or search the catalog — but completing
    a checkout requires an idempotency key and contemporaneous buyer approval of payment.
  humanURL: https://urbanstems.com/agents.md
  baseURL: https://274513-24.myshopify.com/api/ucp/mcp
  tags:
  - Commerce
  - Catalog
  - Cart
  - Checkout
  - Order
  - Agentic Commerce
  tags_raw:
  - Commerce
  - Catalog
  - Cart
  - Checkout
  - Orders
  - Agentic Commerce
  properties:
  - type: Documentation
    url: https://urbanstems.com/agents.md
  - type: MCPServer
    url: mcp/urbanstems-mcp.yml
  - type: ToolCrosswalk
    url: mcp/urbanstems-tool-crosswalk.yml
  - type: WellKnown
    url: well-known/urbanstems-ucp.json
  - type: Authentication
    url: authentication/urbanstems-authentication.yml
  - type: Conventions
    url: conventions/urbanstems-conventions.yml
  - type: Idempotency
    url: conventions/urbanstems-conventions.yml
  - type: DataModel
    url: data-model/urbanstems-data-model.yml
  - type: ErrorCatalog
    url: errors/urbanstems-problem-types.yml
  - type: RateLimits
    url: rate-limits/urbanstems-rate-limits.yml
  x-surface: platform-generated
  x-platform: shopify
  x-platform-surface: ucp
- aid: urbanstems:urbanstems-storefront-json-api
  name: UrbanStems Storefront JSON API
  description: The read-only storefront JSON endpoints UrbanStems documents for agents in its own /llms.txt and /agents.md
    — product JSON at /products/{handle}.json, collection product listings at /collections/{handle}/products.json, and the
    sitemap set including a dedicated agentic-discovery sitemap. No authentication is required. These are Shopify Online Store
    routes served on the UrbanStems domain and named by UrbanStems in its own agent instructions.
  humanURL: https://urbanstems.com/llms.txt
  x-base-note: The site root IS the API base for this entry, not a marketing URL standing in for one. Shopify Online Store
    JSON routes are served off the storefront origin — https://urbanstems.com/products/{handle}.json returned HTTP 200 application/json
    on 2026-09-02 — and UrbanStems names exactly these paths in its own /llms.txt. The other api entry deliberately carries
    a different host (274513-24.myshopify.com), which is where the MCP endpoint actually answers; the two bases disagree because
    the two surfaces genuinely live on different hosts.
  tags:
  - Product
  - Collection
  - Catalog
  - Sitemap
  tags_raw:
  - Products
  - Collections
  - Catalog
  - Sitemap
  properties:
  - type: Documentation
    url: https://urbanstems.com/llms.txt
  - type: LLMsTxt
    url: llms/urbanstems-llms.txt
  x-surface: platform-generated
  x-platform: shopify
  x-platform-surface: storefront-json
common:
- type: DomainSecurity
  url: security/urbanstems-domain-security.yml
- type: Website
  url: https://urbanstems.com/
- type: Documentation
  url: https://urbanstems.com/agents.md
- type: Support
  url: https://help.urbanstems.com/en-US
- type: Blog
  url: https://urbanstems.com/blogs/news
- type: BlogRSS
  url: https://urbanstems.com/blogs/news.atom
- type: SignUp
  url: https://urbanstems.com/account/register
- type: Login
  url: https://urbanstems.com/account/login
- type: TermsOfService
  url: https://urbanstems.com/policies/terms-of-service
- type: PrivacyPolicy
  url: https://urbanstems.com/policies/privacy-policy
- type: GitHubOrganization
  url: https://github.com/urbanstems
- type: MCPServer
  url: mcp/urbanstems-mcp.yml
- type: ToolCrosswalk
  url: mcp/urbanstems-tool-crosswalk.yml
- type: LLMsTxt
  url: llms/urbanstems-llms.txt
- type: WellKnown
  url: well-known/urbanstems-well-known.yml
- type: Authentication
  url: authentication/urbanstems-authentication.yml
- type: OAuthScopes
  url: scopes/urbanstems-scopes.yml
- type: Conventions
  url: conventions/urbanstems-conventions.yml
- type: Idempotency
  url: conventions/urbanstems-conventions.yml
- type: ErrorCatalog
  url: errors/urbanstems-problem-types.yml
- type: RateLimits
  url: rate-limits/urbanstems-rate-limits.yml
- type: Plans
  url: plans/urbanstems-plans-pricing.yml
- type: Lifecycle
  url: lifecycle/urbanstems-lifecycle.yml
- type: Conformance
  url: conformance/urbanstems-conformance.yml
- type: DataModel
  url: data-model/urbanstems-data-model.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Packages
  url: packages/urbanstems-packages.yml
x-enrichment:
  date: '2026-09-02'
  status: enriched
  artifacts_added: 26
  pass: local-v1
x-coverage:
  state: covered

UrbanStems API — frequently asked questions

Does UrbanStems have an API?

Yes. APIs.io lists 2 APIs from UrbanStems, including UrbanStems Commerce MCP API and UrbanStems Storefront JSON API.

How do I authenticate with the UrbanStems API?

UrbanStems documents its authentication (4 schemes). The details are profiled on APIs.io as Urbanstems Authentication.

Does UrbanStems have an MCP server?

Yes. APIs.io lists 1 MCP server for UrbanStems: Remote MCP server at 274513-24.myshopify.com.

Is the UrbanStems API ready for AI agents?

UrbanStems has a Kin Score of 25.0 out of 100 (emerging) and an Agent Readiness score of 22.4 (agent-aware), scored by API Evangelist on 2026-11-06.

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