# Trusted Master Data

> Trusted Master Data is a paid API and MCP server that gives AI agents trusted master data: governed golden records and reference data for suppliers, locations, and organizations.

## Documentation

- [Documentation](/docs): the public documentation skeleton — coverage, pricing, public-data eligibility, provenance and freshness policies, error guide, contacts
- [OpenAPI contract](/openapi.json): the Trusted Master Data API as an OpenAPI 3.1.1 document
- [MCP registry manifest](/server.json): the Trusted Master Data MCP registry manifest template
- [Price catalogue](/v1/pricing): the machine-readable x402 price catalogue; HTTP 503 until the Operator resolves the deployment pricing configuration
- [Security contact](/.well-known/security.txt): the RFC 9116 vulnerability-disclosure contact for this host

## Legal

- [Paid public data terms](/legal/paid-public-data-terms): the terms governing paid calls, RATIFIED at 1.0.0 and effective 2026-09-07; the version governing a call is named in that call's payment challenge
- [Attribution](/legal/attribution): the attribution obligations that travel with served records, RATIFIED at 1.0.0
- [Public-data eligibility inventory](/eligibility/public-data-inventory): the versioned inventory of cleared sources — licence, jurisdiction, allowed and prohibited fields, retention, attribution, reviewer, next review

- [API catalog](/.well-known/api-catalog) — RFC 9727 links to specifications, docs and status.
- [Experimental MCP server card](/.well-known/mcp/server-card.json) — static connection metadata; use live discovery for availability.