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Playground demo key · api.reefapi.com
post/lei/v1/lookup1 credit

One LEI → the full verified legal-entity record (Level-1 who-is-who): legal name, addresses, jurisdiction, legal form, registration status + honesty note, authority ids, renewal dates, BIC/ISIN-adjacent identifiers.

Working example
Parameters
request preview
curl -X POST https://api.reefapi.com/lei/v1/lookup \
  -H "x-api-key: $REEF_KEY" \
  -H "content-type: application/json" \
  -d '{"lei":"HWUPKR0MPOU8FGXBT394"}'

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