# Supplier

**Canonical:** https://apis.io/providers/supplier/  
**Website:** https://supplier.io  
**APIs profiled:** 0

Supplier.io is a supplier intelligence and supplier diversity platform for enterprise procurement teams. It pairs a database of 20M+ suppliers enriched from 450+ sources with spend analytics, diverse- and small-business spend reporting, Tier 2 reporting, supplier discovery and sourcing (Supplier Explorer), economic impact analysis, and Scope 3 carbon/ESG analytics. Backed by Norwest Venture Partners, it serves Fortune 100 procurement organizations. Its only public machine-accessible surface is a published Model Context Protocol (MCP) server (the Royal MCP WordPress plugin) at supplier.io; there is no documented public developer REST API.

## Kin Score — 20.5 / 100 (emerging)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+1.1 from 19.4).

| Facet | Score |
|---|---|
| Discoverability | 68.5 |
| Contract Quality | 0.0 |
| Governance | 18.2 |
| Contract Governance | 18.2 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 19.0 |
| Commercial Clarity | 38.2 |
| Access Clarity | 38.2 |

## Agent readiness — 18.8 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | verified |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Self-serve signup — onboarding: self-serve, pricing: unknown, trial: no (confidence: medium).

## MCP servers (1)

- **Supplier MCP Server**

## Security (2)

- **Supplier Authentication** — oauth2/apiKey/http · 3 schemes
- **Supplier Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Company, Procurement, Supply Chain, Supplier Diversity, Spend Analytics, Sourcing, ESG, Sustainability, MCP

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/supplier/). Scores are computed from the provider's own public artifacts under a published rubric.