System Atlas
SystemAtlas

Identifiers

Wikidata, LEI, CIK, EIN, ROR, UEI, .gov, EU Transparency Register, Surveillance Watch, OpenAlex.

In short

An organization is known in outside registers by their own ids. The identifiers dataset holds one row per id, scheme and value; each id names one organization at most. The API, MCP and CLI take any of them as scheme:value wherever they take a registry ref.

Schemes

SchemeWhat it isExampleFrom
wikidataWikidata QID. The Wikidata item the organization was imported from or matched to.Q95Wikidata
leiLegal Entity Identifier. The 20-character ISO 17442 code of a legal entity, from GLEIF.5493006MHB84DD0ZWV18GLEIF
cikSEC Central Index Key. A filer's number at the US Securities and Exchange Commission (no leading zeros).320193SEC EDGAR
einIRS Employer Identification Number. A US tax-exempt organization's number, from the IRS master file.12-3456789IRS Exempt Organizations Business Master File
rorROR id. A research organization's id in the Research Organization Registry.03vek6s52ROR, the Research Organization Registry
ueiSAM Unique Entity ID. The 12-character id of a US federal award recipient (USAspending).J7M9HPTGJ1S9USAspending.gov
dotgov.gov domain. A .gov domain a US government organization holds (CISA's registry).nasa.gov.gov registry (CISA)
eutrEU Transparency Register id. An organization's registration number in the EU Transparency Register.0123456789-01EU Transparency Register
swatchSurveillance Watch id. An entity's id in Surveillance Watch's public API.…Surveillance Watch
openalexOpenAlex institution id. An institution's id in OpenAlex.I136199984OpenAlex

Organizations also carry their website's registrable domain (organizations.domain), which lookups take as domain:stripe.com.

Look one up

curl -s "https://systematlas.org/api/v1/orgs?ids=lei:5493006MHB84DD0ZWV18,cik:320193,domain:stripe.com" \
  -H "Authorization: Bearer sa_…"
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