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Independent project, not affiliated with Anthropic
igorpdev avatar

DataBR — API de Dados Públicos Brasileiros

igorpdev/databr
HTTPregistry active
Summary

Connects Claude to 122 Brazilian public data endpoints covering BCB (Selic, PTAX, Focus), IBGE (IPCA, PIB), CVM (fundos, fatos relevantes), B3 (equities, indices), Receita Federal (CNPJ), CGU compliance checks, TSE election data, STF/STJ decisions, INPE deforestation alerts, and ANEEL/ANP energy metrics. Uses x402 payment protocol with USDC on Base, so no API keys or registration. You pay per query (typically $0.003–$0.075) and the agent handles payment automatically. Good for building AI tools that need authoritative Brazilian economic data, company due diligence, regulatory compliance checks, or ESG analysis without upfront subscription costs. The Python SDK formats responses as LLM-ready context strings.

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DataBR

API de dados públicos brasileiros para agentes de IA, com pagamento on-chain via protocolo x402 (USDC na rede Base).

Sem cadastro. Sem API key. Pague por consulta.

Documentação | Python SDK | MCP Server | MCP Marketplace | Smithery


Como funciona

Agente IA → GET /v1/bcb/selic → 402 Payment Required
         → Paga $0.003 USDC on-chain (Base)
         → Retry com header X-PAYMENT
         → 200 OK + dados

O protocolo x402 permite que agentes de IA paguem por dados automaticamente, sem cadastro ou chave de API. Basta ter USDC na rede Base.


Início rápido

curl (explorar sem pagar)

# Health check
curl https://databr.api.br/health

# Ver requisitos de pagamento de qualquer endpoint
curl -I https://databr.api.br/v1/bcb/selic
# → 402 Payment Required + JSON com instruções x402

Python SDK

pip install databr
from databr import DataBR

client = DataBR(private_key="0x...")  # wallet com USDC na Base

# Taxa Selic
selic = client.bcb.selic()
print(selic.data)  # {"valor": "14.25", ...}

# Empresa por CNPJ
empresa = client.empresas.consultar("33000167000101")
print(empresa.data["razao_social"])

# Due diligence completa
dd = client.empresas.due_diligence("33000167000101")

# Formato LLM-ready
ipca = client.economia.ipca(format="context")
print(ipca.context)  # texto pronto para prompt

MCP (Claude, Cursor, etc.)

Listado no MCP Marketplace — instale direto pelo marketplace ou adicione manualmente ao seu MCP client:

{
  "mcpServers": {
    "databr": {
      "url": "https://databr.api.br/mcp"
    }
  }
}

170+ ferramentas disponíveis cobrindo todos os endpoints da API.


Endpoints

122 endpoints organizados por domínio. Documentação completa em databr.api.br/docs.

Economia

EndpointPreçoDescrição
GET /v1/bcb/selic$0.003Taxa Selic vigente
GET /v1/bcb/cambio/{moeda}$0.003Câmbio PTAX (USD, EUR, etc.)
GET /v1/bcb/credito$0.003Oferta de crédito
GET /v1/bcb/reservas$0.003Reservas internacionais
GET /v1/bcb/taxas-credito$0.003Taxas de juros por modalidade
GET /v1/bcb/pix/estatisticas$0.003Estatísticas PIX
GET /v1/bcb/focus$0.003Expectativas Focus (mercado)
GET /v1/economia/ipca$0.003Inflação IPCA
GET /v1/economia/pib$0.003PIB trimestral
GET /v1/economia/panorama$0.015Panorama econômico consolidado
GET /v1/ipea/serie/{codigo}$0.003Séries IPEA (macro, social, regional)

Empresas

EndpointPreçoDescrição
GET /v1/empresas/{cnpj}$0.003Dados cadastrais (Receita Federal)
GET /v1/empresas/{cnpj}/compliance$0.007Check rápido CEIS/CNEP/CEPIM
GET /v1/empresas/{cnpj}/setor$0.007Análise setorial
GET /v1/empresas/{cnpj}/perfil-completo$0.020Perfil completo com cruzamentos
GET /v1/empresas/{cnpj}/duediligence$0.075Due diligence automatizada
GET /v1/compliance/{cnpj}$0.010Compliance completo (CGU + CNJ)
GET /v1/credito/score/{cnpj}$0.010Score de crédito estimado

Mercado financeiro

EndpointPreçoDescrição
GET /v1/mercado/acoes/{ticker}$0.005Cotação de ações (B3)
GET /v1/mercado/indices/ibovespa$0.005Índice Ibovespa
GET /v1/mercado/fundos/{cnpj}$0.010Detalhes de fundo (CVM)
GET /v1/mercado/fundos/{cnpj}/cotas$0.005Cotas de fundo
GET /v1/mercado/fundos/{cnpj}/analise$0.010Análise de fundo
GET /v1/mercado/fatos-relevantes$0.005Fatos relevantes CVM
GET /v1/mercado/{cnae}/competicao$0.030Análise de competição
GET /v1/tesouro/titulos$0.003Tesouro Direto
GET /v1/bndes/{cnpj}/operacoes$0.005Operações de crédito BNDES

Transparência e governo

EndpointPreçoDescrição
GET /v1/transparencia/licitacoes$0.003Licitações PNCP
GET /v1/transparencia/contratos$0.003Contratos federais
GET /v1/transparencia/servidores$0.003Servidores públicos
GET /v1/transparencia/pgfn$0.003Dívida ativa PGFN por CNPJ
GET /v1/transparencia/pep$0.003Pessoas Expostas Politicamente (por nome)
GET /v1/transparencia/leniencias$0.003Acordos de leniência por CNPJ
GET /v1/transparencia/renuncias$0.003Renúncias fiscais por exercício
GET /v1/tcu/acordaos$0.003Acórdãos do TCU
GET /v1/tcu/certidao/{cnpj}$0.003Certidão TCU
GET /v1/orcamento/despesas$0.003Execução orçamentária
GET /v1/dou/busca$0.007Busca em diários oficiais

Legislativo

EndpointPreçoDescrição
GET /v1/legislativo/deputados$0.003Deputados federais
GET /v1/legislativo/senado/senadores$0.003Senadores
GET /v1/legislativo/proposicoes$0.003Projetos de lei
GET /v1/legislativo/votacoes$0.003Votações
GET /v1/eleicoes/candidatos$0.003Candidatos TSE
GET /v1/eleicoes/filiados$0.003Filiados partidários por UF
GET /v1/eleicoes/compliance/{cpf_cnpj}$0.007Compliance eleitoral

Jurídico

EndpointPreçoDescrição
GET /v1/judicial/stf$0.010Decisões do STF
GET /v1/judicial/stj$0.010Decisões do STJ
GET /v1/judicial/processos/{doc}$0.015Processos por CPF/CNPJ
GET /v1/litigio/{cnpj}/risco$0.030Risco litigioso

Ambiental

EndpointPreçoDescrição
GET /v1/ambiental/desmatamento$0.005Alertas DETER (INPE)
GET /v1/ambiental/prodes$0.005Monitoramento PRODES
GET /v1/ambiental/embargos$0.005Embargos IBAMA
GET /v1/ambiental/uso-solo$0.005Cobertura MapBiomas
GET /v1/ambiental/risco/{municipio}$0.007Risco ambiental
GET /v1/ambiental/empresa/{cnpj}/esg$0.030Análise ESG

Saúde, energia, transporte e mais

EndpointPreçoDescrição
GET /v1/saude/medicamentos/{registro}$0.003Medicamentos ANVISA
GET /v1/saude/planos$0.003Planos ANS
GET /v1/energia/geracao$0.005Geração de energia (ONS)
GET /v1/energia/tarifas$0.003Tarifas ANEEL
GET /v1/energia/combustiveis$0.003Preços ANP
GET /v1/transporte/aeronaves$0.005Aeronaves ANAC
GET /v1/transporte/acidentes$0.005Acidentes PRF
GET /v1/comercio/exportacoes$0.005Exportações (ComexStat)
GET /v1/educacao/censo-escolar$0.005Censo escolar INEP
GET /v1/emprego/rais$0.005RAIS (emprego formal)
GET /v1/emprego/caged$0.005CAGED (admissões/demissões)

Tributário

EndpointPreçoDescrição
GET /v1/tributario/ncm/{codigo}$0.003Carga tributária por NCM/NBS (IBPT)
GET /v1/tributario/icms/{uf}$0.003Alíquota ICMS interna de um estado
GET /v1/tributario/icms$0.003Tabela ICMS completa (27 UFs) ou interestadual

Análises compostas

EndpointPreçoDescrição
GET /v1/rede/{cnpj}/influencia$0.050Análise de rede e influência
POST /v1/carteira/risco$0.150Risco de carteira (múltiplos CNPJs)

Query parameters

Todos os endpoints aceitam:

ParâmetroExemploDescrição
format?format=contextTexto LLM-ready em vez de JSON (+$0.002)
fields?fields=valor,dataProjeção de campos
since?since=2026-01-01Filtrar a partir de data
until?until=2026-02-01Filtrar até data
limit?limit=10Limite de registros
offset?offset=20Offset para paginação

Formato de resposta

{
  "source": "bcb_sgs",
  "updated_at": "2026-02-21T10:00:00Z",
  "cached": true,
  "cache_age_seconds": 3600,
  "cost_usdc": "0.003",
  "data": {
    "valor": "14.25",
    "data": "2026-02-21"
  }
}

Preços

FaixaPreço (USDC)Exemplos
Consultas básicas$0.003BCB, IBGE, empresas, legislativo, tributário
Consultas padrão$0.005Ações B3, CVM, comércio exterior
Consultas avançadas$0.007Compliance empresa, DOU, risco ambiental
Premium$0.010Compliance completo, fundos, decisões STF/STJ
Análises cruzadas$0.015–$0.030Panorama, ESG, litígio, competição
Análises profundas$0.050–$0.150Rede de influência, due diligence, carteira
Formato contexto+$0.002Adicional sobre qualquer endpoint

Rate limits: 100 req/min por IP | 500 req/min por wallet x402.


Python SDK

pip install databr

Namespaces disponíveis

NamespaceExemploMétodos
bcbclient.bcb.selic()selic, cambio, focus, credito, reservas, taxas_credito, pix
empresasclient.empresas.consultar(cnpj)consultar, compliance, perfil_completo, due_diligence
economiaclient.economia.ipca()ipca, pib, panorama
mercadoclient.mercado.acoes("PETR4")acoes, fundos, cotas, fatos, indices, competicao
complianceclient.compliance.verificar(cnpj)verificar, ceis, cnep, cepim
judicialclient.judicial.processos(doc)processos, stf, stj, litigio
legislativoclient.legislativo.deputados()deputados, senadores, proposicoes, votacoes
ambientalclient.ambiental.desmatamento()desmatamento, prodes, embargos, uso_solo, esg
transparenciaclient.transparencia.licitacoes()licitacoes, contratos, servidores, orcamento
saudeclient.saude.medicamentos(reg)medicamentos, operadoras, estabelecimentos
energiaclient.energia.tarifas()tarifas, geracao, carga, combustiveis
transporteclient.transporte.aeronaves()aeronaves, transportadores, acidentes
comercioclient.comercio.exportacoes()exportacoes, importacoes
empregoclient.emprego.rais()rais, caged
tributarioclient.tributario.ncm("22030000", uf="SP")ncm, icms

Tratamento de erros

from databr import DataBR, NotFoundError, PaymentError, RateLimitError

try:
    empresa = client.empresas.consultar("00000000000000")
except NotFoundError:
    print("CNPJ não encontrado")
except PaymentError:
    print("Pagamento falhou — verificar saldo USDC")
except RateLimitError as e:
    print(f"Rate limit — retry em {e.retry_after}s")

Testnet

client = DataBR(private_key="0x...", network="testnet")  # Base Sepolia, USDC de teste

Fontes de dados

42 coletores automáticos + 8 on-demand, cobrindo:

FonteÓrgãoAtualização
Selic, PTAX, crédito, reservas, PIX, FocusBCBDiária/semanal
IPCA, PIB, população, pesquisasIBGEDiária/mensal
Cotações, IbovespaB3Diária (dias úteis)
Fundos, fatos relevantes, cotasCVMDiária
Candidatos, bens, doações, filiadosTSEAnual / On-demand
Licitações PNCPPortal da TransparênciaDiária
Acórdãos, certidões, inabilitadosTCUSemanal
Deputados, senadores, proposiçõesCâmara/SenadoDiária
RREO, RGF, Tesouro DiretoTesouro NacionalDiária/mensal
Exportações, importaçõesComexStatMensal
Tarifas, geração, cargaANEEL/ONSSemanal/diária
MedicamentosANVISAMensal
Operadoras, planosANSSemanal
DETER, PRODES, MapBiomasINPEDiária/mensal
EmbargosIBAMASemanal
Aeronaves, transportadores, acidentesANAC/ANTT/PRFSemanal/mensal
Censo escolarINEPSemestral
RAIS, CAGEDMTE (FTP)Mensal/anual
Decisões STF, STJTribunais superioresDiária
CombustíveisANPSemanal
Séries macroIPEADiária
Diários oficiaisQuerido DiárioOn-demand
CNPJminhareceita.orgOn-demand
Compliance CEIS/CNEPCGUOn-demand
Processos judiciaisDataJud CNJOn-demand
Carga tributária NCM/NBSIBPTOn-demand
Acordos leniência, PEP, renúncias, PGFNCGU/Portal da TransparênciaOn-demand
Operações de créditoBNDES (CKAN)On-demand
Alíquotas ICMS (27 UFs)CONFAZ/SEFAZEstático (2026)

Desenvolvimento local

Pré-requisitos

  • Go 1.24+
  • Docker (PostgreSQL + Redis)

Setup

git clone https://github.com/igorpdev/databr.git
cd databr

# Subir PostgreSQL e Redis
docker-compose up -d

# Configurar variáveis
cp .env.example .env
# Editar .env com suas configurações

# Rodar API
go run cmd/api/main.go

# Rodar coletores (em outro terminal)
go run cmd/collector/main.go

# Testes
go test ./...

A API sobe em http://localhost:8080. Sem WALLET_ADDRESS configurado, os endpoints /v1/* funcionam sem pagamento (modo dev).

Estrutura

databr/
├── cmd/
│   ├── api/              # Entrypoint REST API + MCP
│   └── collector/        # Scheduler de coletores
├── internal/
│   ├── handlers/         # 30+ handlers HTTP (122 endpoints)
│   ├── collectors/       # 23 pacotes de coletores (50 fontes)
│   ├── repositories/     # PostgreSQL (pgx/v5)
│   ├── cache/            # Redis + cache em memória
│   ├── x402/             # Middleware de pagamento + pricing
│   ├── mcp/              # MCP Server (170+ tools)
│   ├── domain/           # Entidades e interfaces
│   ├── metrics/          # Prometheus
│   └── logging/          # Structured logging (slog)
├── sdk/python/           # Python SDK (PyPI: databr)
├── docs/
│   ├── openapi.yaml      # Especificação OpenAPI 3.0
│   └── landing.html      # Landing page
├── migrations/           # Schema PostgreSQL
├── Dockerfile            # API (multi-stage, ~23MB)
├── Dockerfile.collector  # Coletores
└── docker-compose.yml    # Dev: PostgreSQL 16 + Redis 7

Stack

CamadaTecnologia
BackendGo 1.24, Chi Router
BancoPostgreSQL 16 (pgx/v5)
CacheRedis (Upstash em produção)
Pagamentosx402 protocol, USDC, Base network
DeployRailway
MétricasPrometheus
MCPmcp-go (Mark3Labs)
SDKPython (PyPI)

Variáveis de ambiente

# Obrigatórias
DATABASE_URL=postgres://databr:databr@localhost:5432/databr
REDIS_URL=redis://localhost:6379

# x402 (testnet)
WALLET_ADDRESS=0x...
X402_NETWORK=base-sepolia
X402_FACILITATOR_URL=https://facilitator.x402.rs

# x402 (mainnet)
# X402_NETWORK=base
# X402_FACILITATOR_URL=https://api.cdp.coinbase.com/platform/v2/x402
# CDP_KEY_ID=...
# CDP_KEY_SECRET=...

# APIs externas (opcionais)
TRANSPARENCIA_API_KEY=    # Portal da Transparência (CGU)
DATAJUD_API_KEY=          # DataJud (CNJ)
MINHARECEITA_URL=https://minhareceita.org

Links

  • API: https://databr.api.br
  • Docs (Scalar): https://databr.api.br/docs
  • OpenAPI spec: https://databr.api.br/openapi.yaml
  • MCP discovery: https://databr.api.br/.well-known/mcp.json
  • x402 discovery: https://databr.api.br/.well-known/x402
  • Python SDK: https://pypi.org/project/databr/
  • Health: https://databr.api.br/health

Licença

MIT

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