Access Brazilian National Treasury Open Data APIs // Provides a unified interface to access open data from the Brazilian National Treasury ('Tesouro Nacional') and related government APIs. Covers six data sources: 'SICONFI' https://apidatalake.tesouro.gov.br/docs/siconfi/ for fiscal reports ('RREO', 'RGF', 'DCA', 'MSC') and entity information; 'CUSTOS' https://apidatalake.tesouro.gov.br/docs/custos/ for federal government cost data; 'SADIPEM' https://apidatalake.tesouro.gov.br/docs/sadipem/ for public debt and credit operations; 'Transferencias Constitucionais' ht tps://apiapex.tesouro.gov.br/aria/v1/transferencias_constitucio nais/docs for constitutional transfers to states and municipalities; 'SIORG' https://estruturaorganizacional.dados.gov.br for federal organizational structure; and 'SIOPE' ('FNDE'/'MEC') for education spending data. Features automatic pagination, in- memory caching, retry logic, and tidy output.