GLEIF LEI API
Official LEI data source and API for resolving legal entities — use the GLEIF LEI API to find authoritative identifiers, normalize company names, and enrich corporate profiles for due diligence and entity-resolution workflows.
- reviewed
- Apr 24, 2026
How this source is shaped
A strong official source for entity intelligence. Useful for identifying legal entities, matching company names, reducing ambiguity and enriching corporate profiles.
- Source type
- Official Registry
- Access model
- Free
- Pricing model
- Free Official API
- API available
- Yes
- Requires account
- No
- Risk level
- Low
- Sensitivity
- Normal
Review dimensions
Each dimension is graded on a 0–10 scale. The overall score is a weighted aggregate.
Weighted aggregate across the eight review dimensions.
Where this source fits
What analysts use it for, and — just as important — where it does not belong.
- company_verification
- entity_resolution
- corporate_due_diligence
- ownership_context
- compliance_teams
- journalists
- b2b_researchers
- financial_researchers
- consumer_people_search
- unverified_private_company_claims
Editorial take
Our qualitative read on the source — tone, framing and trust posture.
Excellent fit for a serious OSINT product because it is structured, official and defensible.
Ethics and compliance
Access, licensing and sensitive-data considerations for this source.
Do not treat missing LEI as negative evidence. Many legitimate entities may not have a LEI.
Clarify coverage limits and avoid implying universal company registry coverage.