Kizik

Kizik is the hands-free footwear company founded in Alpine, Utah, built on the patented Cage and Inner Cage step-in technology that lets a wearer put on a shoe without bending down, tying, or using their hands. Kizik sells direct-to-consumer at kizik.com across men's, women's and kids' lines, and licenses its hands-free technology to other footwear brands. Kizik has no traditional developer program, but it operates a real, publicly reachable agent commerce surface: its Shopify storefront serves an agent instruction document at /agents.md and /llms.txt, a Universal Commerce Protocol (UCP) merchant profile at /.well-known/ucp, and an unauthenticated MCP endpoint at /api/ucp/mcp exposing thirteen catalog, cart, checkout and order tools with full JSON Schema inputs. Customer identity is OpenID Connect, discoverable at /.well-known/openid-configuration.

Kizik publishes 2 APIs on the APIs.io network. Tagged areas include Company, Retail, E-Commerce, Footwear, and Consumer Goods.

Kizik’s developer surface includes documentation, engineering blog, support, signup flow, and 14 more developer resources.

🌐 Visit website 📡 Source on GitHub
21.4/100 emerging ▬ flat Agent 22/100 agent aware Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0
2 APIs 1 MCP Servers
CompanyRetailE-CommerceFootwearConsumer GoodsAgent CommerceUniversal Commerce ProtocolMCPShopifyDirect to Consumer

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0
Composite quality — 21.4/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 3.7 / 20
Access Clarity 6.8 / 20
Operational Transparency 0.0 / 13
Contract Governance 2.2 / 12
Discoverability 8.7 / 10
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 0 / 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 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Surface 5 / 5
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/kizik: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 2

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

Kizik Agent Commerce API (UCP / MCP)

Kizik's Universal Commerce Protocol surface, exposed over MCP at https://kizik.com/api/ucp/mcp. An unauthenticated tools/list returns thirteen tools covering catalog search and ...

Kizik Storefront Product Data

The read-only JSON product surface of the Kizik Shopify storefront, documented for agents in https://kizik.com/llms.txt: /products.json, /collections/{handle}/products.json, /pr...

MCP Servers 1

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

Kizik UCP Commerce MCP Server

Kizik's Universal Commerce Protocol (UCP) shopping service, exposed over MCP on Kizik's own domain. An unauthenticated JSON-RPC tools/list returns 13 tools with full JSON Schema...

MCP SERVER

Pricing Plans 1

Published pricing tiers and plan structures.

Kizik Plans Pricing

0 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Kizik Rate Limits

0 limits

RATE LIMITS

Security Posture 2

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

Kizik Authentication

4 schemes

SECURITY

Kizik Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Kizik Scopes

OAuth 2.0 · no documented scopes

0 scopes

SCOPES

Resources

Get Started 1

Portal, sign-up, and the first successful call

SignUp
SignUp

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt
LLMsTxt
 WellKnown
WellKnown
 AgentSkill
AgentSkill

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Conventions
Conventions
 Idempotency
Idempotency
 Conformance
Conformance
 Lifecycle
Lifecycle
 DataModel
DataModel

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Operate 2

Status, limits, changes, and where to get help

Support
Support
 HelpCenter
HelpCenter

Commercial 3

Pricing, plans, and the legal terms of use

Plans
Plans
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: kizik
name: Kizik
description: 'Kizik is the hands-free footwear company founded in Alpine, Utah, built on the patented Cage and Inner Cage
  step-in technology that lets a wearer put on a shoe without bending down, tying, or using their hands. Kizik sells direct-to-consumer
  at kizik.com across men''s, women''s and kids'' lines, and licenses its hands-free technology to other footwear brands.
  Kizik has no traditional developer program, but it operates a real, publicly reachable agent commerce surface: its Shopify
  storefront serves an agent instruction document at /agents.md and /llms.txt, a Universal Commerce Protocol (UCP) merchant
  profile at /.well-known/ucp, and an unauthenticated MCP endpoint at /api/ucp/mcp exposing thirteen catalog, cart, checkout
  and order tools with full JSON Schema inputs. Customer identity is OpenID Connect, discoverable at /.well-known/openid-configuration.'
url: https://raw.githubusercontent.com/api-evangelist/kizik/refs/heads/main/apis.yml
x-type: company
x-source: harvest:secondary-market
specificationVersion: '0.20'
created: '2026-08-23'
modified: '2026-08-23'
image: https://kizik.com/cdn/shop/files/social-image-athens-2-soft-chambray.jpg?v=1738684971&width=2048
tags:
- Company
- Retail
- E-Commerce
- Footwear
- Consumer Goods
- Agent Commerce
- Universal Commerce Protocol
- MCP
- Shopify
- Direct to Consumer
apis:
- name: Kizik Agent Commerce API (UCP / MCP)
  description: Kizik's Universal Commerce Protocol surface, exposed over MCP at https://kizik.com/api/ucp/mcp. An unauthenticated
    tools/list returns thirteen tools covering catalog search and lookup, cart create/update/cancel, checkout create/update/complete/cancel,
    and order retrieval, each with a full JSON Schema 2020-12 inputSchema. Payment completion requires contemporaneous human
    approval; agents must not finalize checkout autonomously.
  humanURL: https://kizik.com/agents.md
  baseURL: https://kizik.com/api/ucp/mcp
  tags:
  - Agent Commerce
  - MCP
  - Universal Commerce Protocol
  - Checkout
  - Catalog
  properties:
  - type: MCPServer
    url: mcp/kizik-mcp.yml
  - type: ToolCrosswalk
    url: mcp/kizik-tool-crosswalk.yml
  - type: Documentation
    url: https://kizik.com/agents.md
  - type: Authentication
    url: authentication/kizik-authentication.yml
  - type: OAuthScopes
    url: scopes/kizik-scopes.yml
  - type: ErrorCatalog
    url: errors/kizik-problem-types.yml
  - type: RateLimits
    url: rate-limits/kizik-rate-limits.yml
- name: Kizik Storefront Product Data
  description: 'The read-only JSON product surface of the Kizik Shopify storefront, documented for agents in https://kizik.com/llms.txt:
    /products.json, /collections/{handle}/products.json, /products/{handle}.json and /search?q={query}&type=product. No authentication
    is required and the documents are served directly from kizik.com.'
  humanURL: https://kizik.com/llms.txt
  baseURL: https://kizik.com
  tags:
  - Products
  - Catalog
  - E-Commerce
  properties:
  - type: Documentation
    url: https://kizik.com/llms.txt
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/kizik-domain-security.yml
- type: Website
  url: https://kizik.com/
- type: Documentation
  url: https://kizik.com/agents.md
- type: LLMsTxt
  url: llms/kizik-llms.txt
- type: WellKnown
  url: well-known/kizik-well-known.yml
- type: Conventions
  url: conventions/kizik-conventions.yml
- type: Idempotency
  url: conventions/kizik-conventions.yml
- type: Conformance
  url: conformance/kizik-conformance.yml
- type: Lifecycle
  url: lifecycle/kizik-lifecycle.yml
- type: DataModel
  url: data-model/kizik-data-model.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Plans
  url: plans/kizik-plans-pricing.yml
- type: Blog
  url: https://kizik.com/blogs/news
- type: Support
  url: https://kizik.com/pages/contact
- type: HelpCenter
  url: https://kizik.com/pages/faqs
- type: SignUp
  url: https://kizik.com/account/login
- type: TermsOfService
  url: https://kizik.com/policies/terms-of-service
- type: PrivacyPolicy
  url: https://kizik.com/policies/privacy-policy
x-enrichment:
  date: '2026-08-23'
  status: enriched
  artifacts_added: 20
  pass: local-v1

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