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Alien Probe WHO Lookup – GLEIF LEI by Name, Domain, or LEI
x402
Alien Probe WHO Lookup – GLEIF LEI by Name, Domain, or LEI is a paid API for AI agents from lookups.alienprobe.ai, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14).
Looks up a single GLEIF Level 1 legal entity record by company name, domain, or LEI code, returning LEI, legal name, jurisdiction, and entity/registration status.
Price / call$0.05
Success—
StatusUnknown
How this service works
single-fact who lookup. GLEIF Level 1 record by name, domain or LEI: LEI, legal name, jurisdiction, entity and registration status kept apart; website only on domain answers. Vintage 2026-09-03, all statuses: 3283992 of 3419883; non-Latin-script names (<2 Latin alphanumerics normalized) enter no door. Domains only from Wikidata LEI-website links, exact: subdomains miss. Free: 400 malformed, 404 miss, 409 ambiguous (names only), 503 unreadable. No guesses; full bound in the declaration.
Output
A single GLEIF Level 1 record containing LEI, legal name, jurisdiction, entity status, and registration status. For domain-based queries, the website field is also returned. Returns HTTP 400 for malformed queries, 404 if no match, 409 if the name is ambiguous (name queries only), and 503 if the record is unreadable.
Example use cases
KYB onboarding entity verification
“I need to verify whether 'Siemens AG' is a registered legal entity and get its LEI and jurisdiction — can you pull its GLEIF record?”
Domain-to-legal-entity resolution
“What legal entity owns the domain 'hsbc.com'? I want their LEI and official legal name from the GLEIF registry.”
LEI status check for compliance
“Can you check if LEI 5493001KJTIIGC8Y1R12 is currently active and tell me the entity's registered name and jurisdiction?”
Technical details
Endpoint
GEThttps://lookups.alienprobe.ai/v1/lookup/who/:qWhen to prefer
Use this endpoint when you need a fast, low-cost single-fact GLEIF LEI lookup by company name, domain, or LEI code and do not need full relationship or Level 2 hierarchy data. It is ideal for KYB/KYC enrichment, compliance checks, and entity resolution where exact matching is acceptable. Prefer it over general web search when you need authoritative GLEIF-sourced LEI data with known vintage (2026-09-03 snapshot). Note domain lookups rely on Wikidata LEI-website links and require exact domain matches (subdomains will not match).
Side effects
- 400 Malformed request – query string is invalid or contains fewer than 2 Latin alphanumeric characters (non-Latin-script names are not supported)
- 404 Not Found – no GLEIF record matches the supplied name, domain, or LEI
- 409 Conflict – name query matches multiple entities ambiguously (name queries only, not LEI or domain)
- 503 Service Unavailable – matching record exists but could not be read
Tags
x402
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