# PRH Open Data (Finland)

**Canonical:** https://apis.io/providers/avoindata-prh-fi/  
**Website:** https://avoindata.prh.fi  
**APIs profiled:** 3

The Finnish Patent and Registration Office (Patentti- ja rekisterihallitus, PRH) publishes free open data APIs at avoindata.prh.fi covering the Finnish Business Information System (YTJ) company register, notifications registered at the Finnish Trade Register since 7 November 2014, and digital (iXBRL) financial statements. Data are JSON over HTTPS, updated once a day, need no key, and are licensed CC BY 4.0.

## Kin Score — 32.8 / 100 (thin)

Scored 2026-11-13 under rubric 0.28.0.

| Facet | Score |
|---|---|
| Discoverability | 71.4 |
| Contract Quality | 53.8 |
| Contract Governance | 22.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 25.6 |
| Access Clarity | 25.5 |

Regulatory layer — **Government & Public Sector**: 8.8 (matched via tags).

## Agent readiness — 24.7 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | derived |
| 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 |
| Pagination Ratio | no |
| Operation Distinctiveness | distinct |
| MCP Tool Quality | na |

## Access

Free — onboarding: unknown, pricing: free, trial: no (confidence: low).

## APIs (10)

- **PRH Open Data (Finland) All Companies API** — The All Companies API from PRH Open Data (Finland) — 1 operation(s) for all companies.
- **PRH Open Data (Finland) All Financial Statements API** — The All Financial Statements API from PRH Open Data (Finland) — 1 operation(s) for all financial statements.
- **PRH Open Data (Finland) All Financials API** — The All Financials API from PRH Open Data (Finland) — 1 operation(s) for all financials.
- **PRH Open Data (Finland) Companies API** — The Companies API from PRH Open Data (Finland) — 1 operation(s) for companies.
- **PRH Open Data (Finland) Description API** — The Description API from PRH Open Data (Finland) — 1 operation(s) for description.
- **PRH Open Data (Finland) Financial API** — The Financial API from PRH Open Data (Finland) — 1 operation(s) for financial.
- **PRH Open Data (Finland) Financials API** — The Financials API from PRH Open Data (Finland) — 1 operation(s) for financials.
- **PRH Open Data (Finland) Opendata Registered Notices API** — The Opendata Registered Notices Api API from PRH Open Data (Finland) — 2 operation(s) for opendata registered notices api.
- **PRH Open Data (Finland) Post Codes API** — The Post Codes API from PRH Open Data (Finland) — 1 operation(s) for post codes.
- **PRH Open Data (Finland) Publicnotices API** — The Publicnotices API from PRH Open Data (Finland) — 1 operation(s) for publicnotices.

## Agentic access (1)

- **PRH Open Data (Finland) Agentic Access** — 12 operations

## Security (1)

- **PRH Open Data (Finland) Domain Security** — TLSv1.2 · HSTS · DNSSEC · DMARC

## Plans (1)

- **PRH Open Data (Finland) Plans Pricing**

## Tags

Company, Government, Finland, Business Registry, Open Data, Financial Statements, XBRL

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