Kizik

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 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.

GitHub

Documentation

📖
Documentation
https://kizik.com/agents.md
📖
Authentication
https://raw.githubusercontent.com/api-evangelist/kizik/refs/heads/main/authentication/kizik-authentication.yml
📖
RateLimits
https://raw.githubusercontent.com/api-evangelist/kizik/refs/heads/main/rate-limits/kizik-rate-limits.yml

Other Resources

🔗
MCPServer
https://raw.githubusercontent.com/api-evangelist/kizik/refs/heads/main/mcp/kizik-mcp.yml
🔗
ToolCrosswalk
https://raw.githubusercontent.com/api-evangelist/kizik/refs/heads/main/mcp/kizik-tool-crosswalk.yml
🔗
OAuthScopes
https://raw.githubusercontent.com/api-evangelist/kizik/refs/heads/main/scopes/kizik-scopes.yml
🔗
ErrorCatalog
https://raw.githubusercontent.com/api-evangelist/kizik/refs/heads/main/errors/kizik-problem-types.yml
🔗
APIsJSON
https://raw.githubusercontent.com/api-evangelist/kizik/refs/heads/main/apis.yml

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Every API here is available over the APIs.io API and to AI agents over MCP.

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API entry from apis.yml

apis.yml Raw ↑ 
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