# GLEIF

**Canonical:** https://apis.io/providers/gleif/  
**Website:** https://www.gleif.org  
**APIs profiled:** 5

The Global Legal Entity Identifier Foundation (GLEIF) provides a free, open REST API that gives developers access to the full LEI Data search engine functionality. The API supports filters, full-text and single-field searches of legal entity and ownership data, and fuzzy matching of relevant data fields such as entity names and addresses. In addition to LEI reference data, the API exposes reference data for LEI issuers, code lists, and mapped identifiers including BIC and ISIN codes. The API requires no authentication or registration, making LEI data freely accessible to any interested party for searching, validating, and retrieving legal entity identifiers and associated organizational reference data.

## Kin Score — 42.1 / 100 (developing)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 42.1).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 64.5 |
| Governance | 25.0 |
| Contract Governance | 25.0 |
| Operational Transparency | 42.1 |
| Developer Ergonomics | 11.9 |
| Commercial Clarity | 39.5 |
| Access Clarity | 39.5 |

Regulatory layer — **Government & Public Sector**: 20.4 (matched via tags).

## Agent readiness — 36.2 (agent-ready)

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

## Access

Free · Open access — onboarding: open, pricing: free, trial: no (confidence: medium).

## APIs (5)

- **GLEIF Corporate Relationships API** — Corporate ownership and relationship hierarchy data
- **GLEIF LEI Issuers API** — Operations on accredited LEI Issuers (Local Operating Units)
- **GLEIF LEI Records API** — Operations on Legal Entity Identifier records
- **GLEIF Reference Data API** — Reference data including entity legal forms and registration authorities
- **GLEIF Search API** — Search and autocomplete operations

## Agentic access (1)

- **Gleif Agentic Access** — 16 operations

## Security (1)

- **Gleif Domain Security** — TLSv1.3 · HSTS · DNSSEC

## Plans (1)

- **Gleif Plans Pricing**

## Tags

Legal Entity Identifier, LEI, vLEI, Financial Data, Corporate Identity, Entity Verification, Reference Data, Open Data

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