# OpenCorporates

**Canonical:** https://apis.io/providers/open-corporates/  
**Website:** https://opencorporates.com  
**APIs profiled:** 1

OpenCorporates is the world's largest open database of companies, providing a REST API for searching and retrieving company registration data, officer information, and corporate filings globally across more than 140 jurisdictions. The API enables access to company details, director and officer records, statutory filings, and corporate groupings, making it a primary resource for compliance, due diligence, investigative journalism, and corporate transparency.

## Kin Score — 29.1 / 100 (thin)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 29.1).

| Facet | Score |
|---|---|
| Discoverability | 68.5 |
| Contract Quality | 26.7 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 36.8 |
| Developer Ergonomics | 11.9 |
| Commercial Clarity | 50.0 |
| Access Clarity | 50.0 |

Regulatory layer — **Government & Public Sector**: 11.1 (matched via tags).

## Agent readiness — 15.5 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Freemium — onboarding: unknown, pricing: freemium, trial: no (confidence: medium).

## APIs (1)

- **OpenCorporates API** — REST API providing access to the world's largest open database of companies. Search and retrieve company registration data, officer information, corporate filings, and jurisdict...

## Security (1)

- **Open Corporates Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Open Corporates Plans Pricing**

## Tags

Companies, Corporate Data, Business Intelligence, Compliance, Due Diligence, Officers, Filings, Corporate Transparency, Open Data

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