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Playground demo key · api.reefapi.com
post/lei/v1/map1 credit

Identifier mapping: ISIN / BIC / MIC / QCC / S&P-Global-ID → LEI record(s), or reverse LEI → all its ISINs.

Working example
Parameters
request preview
curl -X POST https://api.reefapi.com/lei/v1/map \
  -H "x-api-key: $REEF_KEY" \
  -H "content-type: application/json" \
  -d '{"type":"isin","value":"US0378331005"}'

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