# FINESSE UCP Commerce MCP API

**Canonical:** https://apis.io/apis/finesse/finesse-ucp-commerce-mcp-api/  
**Provider:** FINESSE — https://apis.io/providers/finesse/  
**Base URL:** https://finesse.us/api/ucp/mcp  
**Documentation:** https://finesse.us/agents.md

FINESSE UCP Commerce MCP API is one of 2 APIs that [FINESSE](https://apis.io/providers/finesse/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Agentic Commerce, UCP, MCP, E-Commerce, and Retail. The published artifact set on APIs.io includes API documentation, authentication docs, and rate-limit docs.

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.

## Machine-readable artifacts (9)

- **MCPServer** — https://raw.githubusercontent.com/api-evangelist/finesse/refs/heads/main/mcp/finesse-mcp.yml
- **MCPServer** — https://finesse.us/api/ucp/mcp
- **Documentation** — https://finesse.us/agents.md
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/finesse/refs/heads/main/authentication/finesse-authentication.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/finesse/refs/heads/main/conventions/finesse-conventions.yml
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/finesse/refs/heads/main/errors/finesse-problem-types.yml
- **DataModel** — https://raw.githubusercontent.com/api-evangelist/finesse/refs/heads/main/data-model/finesse-data-model.yml
- **RateLimits** — https://raw.githubusercontent.com/api-evangelist/finesse/refs/heads/main/rate-limits/finesse-rate-limits.yml
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/finesse/refs/heads/main/apis.yml

## Other FINESSE APIs (1)

- [FINESSE Storefront JSON (read-only)](https://apis.io/apis/finesse/finesse-storefront-json-read-only/)

## Tags

Agentic Commerce, UCP, MCP, E-Commerce, Retail, Fashion, agent-native

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/finesse/finesse-ucp-commerce-mcp-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/finesse/.