Government APIs · Page 5

Page 5 of 7

Ordered by reported HTTPS, CORS support, no-auth access, then changed/observed facts. Access signals are not a popularity or quality score.

Radar CNPJ

Brazilian companies (CNPJ) lookup and search, with a market check by area and monitoring

Government · No auth · HTTPS

OpenStates

US state legislature bills and lawmakers

Government · API key · HTTPS

Regulations.gov

US federal rulemaking comments and dockets

Government · API key · HTTPS

OpenRegistry

Real-time queries to 80+ national company registries (UK, FR, DE, IT, ES, KR and more)

Government · OAuth · HTTPS

BuildData

Canadian construction and development data from 17 cities

Government · API key · HTTPS

PolitiData

Canadian political financing, lobbying registrations and communications

Government · API key · HTTPS

ProcureData

Canadian federal procurement contracts, tenders and awards

Government · API key · HTTPS