Dados B3
ROE, ROIC, margens, múltiplos ponto-no-tempo e reapresentações de 456 companhias abertas desde 2010, cada número com a conta da CVM que o gerou. Preço de fechamento toda noite. Grátis para ler; API e MCP para quem programa. Dados B3 oferece fundamentos detalhados de companhias e FIIs da B3, permitindo acesso a métricas financeiras, múltiplos e históricos, com conta aberta para desenvolvedores.
Limited machine-readable signal and partial portal coverage — documentation a human can read, but little a machine or agent can consume without scraping.
API Evangelist profiles Dados B3 the way a machine reads it — 94 machine-readable artifacts across 1 API, pulled from the provider's own public surface and indexed so a developer, an analyst, or an AI agent can evaluate it against every other provider on the network.
Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. From those artifacts we compute the Kin Score — Dados B3 scores 29.4/100 (thin), with a separate agent-readiness read of 25/100 (agent aware). The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.
Kin Score
This is the API Evangelist rating — a single, repeatable read computed from the artifacts on this page. Green fill is points earned; the red track is points possible, so every bar shows earned-versus-possible at a glance. Every facet and dimension name is a link: it opens that measurement's page on APIs.io, where the rating runs across the whole catalog — the exact checks that feed it, how every profiled provider distributes on it, and who is at the top of it.
Kin Score
How this is scored →scored 2026-11-06 · rubric v0.27.0
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How we profile Dados B3
Each block below is one kind of artifact we hold for Dados B3. For each we say what it is and why it earns a place in the profile, then list every one we've indexed — capped at two rows, scroll within the panel for the rest.
APIs 86
Each API is captured as its own OpenAPI definition — every operation, parameter, and response. This is the single most useful machine-readable description of what an API does, and it's what lets us score, lint, mock, and generate against it without asking the provider for anything.
Individual APIs this provider publishes, each with its own machine-readable definition.
Dados B3 8ed3004e95428c31a6816850f723aa11.txt API
The 8ed3004e95428c31a6816850f723aa11.txt API from Dados B3 — 1 operation(s) for 8ed3004e95428c31a6816850f723aa11.txt.
Dados B3 Acoes API
The Acoes API from Dados B3 — 4 operation(s) for acoes.
Dados B3 Acompanhar API
The Acompanhar API from Dados B3 — 1 operation(s) for acompanhar.
Dados B3 Administradores API
The Administradores API from Dados B3 — 2 operation(s) for administradores.
Dados B3 Administradores.json API
The Administradores.json API from Dados B3 — 1 operation(s) for administradores.json.
Dados B3 Agenda De Balancos API
The Agenda De Balancos API from Dados B3 — 1 operation(s) for agenda de balancos.
Dados B3 Assinar API
The Assinar API from Dados B3 — 1 operation(s) for assinar.
Dados B3 Ativos API
The Ativos API from Dados B3 — 2 operation(s) for ativos.
Dados B3 Auditoria API
The Auditoria API from Dados B3 — 10 operation(s) for auditoria.
Dados B3 Bancos API
The Bancos API from Dados B3 — 3 operation(s) for bancos.
Dados B3 Bdrs API
The Bdrs API from Dados B3 — 3 operation(s) for bdrs.
Dados B3 Buscar API
The Buscar API from Dados B3 — 2 operation(s) for buscar.
Dados B3 Calculadoras API
The Calculadoras API from Dados B3 — 4 operation(s) for calculadoras.
Dados B3 Cartao API
The Cartao API from Dados B3 — 1 operation(s) for cartao.
Dados B3 Carteira API
The Carteira API from Dados B3 — 1 operation(s) for carteira.
Dados B3 Chave Gratis API
The Chave Gratis API from Dados B3 — 1 operation(s) for chave gratis.
Dados B3 Claude Code API
The Claude Code API from Dados B3 — 1 operation(s) for claude code.
Dados B3 Cobertura API
The Cobertura API from Dados B3 — 1 operation(s) for cobertura.
Dados B3 Comparar API
The Comparar API from Dados B3 — 3 operation(s) for comparar.
Dados B3 Comparativo API
The Comparativo API from Dados B3 — 1 operation(s) for comparativo.
Dados B3 Conector API
The Conector API from Dados B3 — 1 operation(s) for conector.
Dados B3 Covenants API
The Covenants API from Dados B3 — 1 operation(s) for covenants.
Dados B3 Dados B3 API
The Dados B3 API from Dados B3 — 2 operation(s) for dados b3.
Dados B3 Data Com Da Semana API
The Data Com Da Semana API from Dados B3 — 1 operation(s) for data com da semana.
Dados B3 Demo API
The Demo API from Dados B3 — 1 operation(s) for demo.
Dados B3 Desafio API
The Desafio API from Dados B3 — 1 operation(s) for desafio.
Dados B3 Dicionario API
The Dicionario API from Dados B3 — 1 operation(s) for dicionario.
Dados B3 Documento Reenviado API
The Documento Reenviado API from Dados B3 — 1 operation(s) for documento reenviado.
Dados B3 Dump API
The Dump API from Dados B3 — 2 operation(s) for dump.
Dados B3 Empresas API
The Empresas API from Dados B3 — 17 operation(s) for empresas.
Dados B3 Energia API
The Energia API from Dados B3 — 2 operation(s) for energia.
Dados B3 Etfs API
The Etfs API from Dados B3 — 6 operation(s) for etfs.
Dados B3 Eventos Societarios API
The Eventos Societarios API from Dados B3 — 1 operation(s) for eventos societarios.
Dados B3 Fatos API
The Fatos API from Dados B3 — 1 operation(s) for fatos.
Dados B3 Fatos Relevantes API
The Fatos Relevantes API from Dados B3 — 1 operation(s) for fatos relevantes.
Dados B3 Fatos Relevantes.xml API
The Fatos Relevantes.xml API from Dados B3 — 1 operation(s) for fatos relevantes.xml.
Dados B3 Fiis API
The Fiis API from Dados B3 — 7 operation(s) for fiis.
Dados B3 Fluxo Estrangeiro API
The Fluxo Estrangeiro API from Dados B3 — 3 operation(s) for fluxo estrangeiro.
Dados B3 Focus API
The Focus API from Dados B3 — 3 operation(s) for focus.
Dados B3 Foto Diaria API
The Foto Diaria API from Dados B3 — 2 operation(s) for foto diaria.
Dados B3 Fundos API
The Fundos API from Dados B3 — 3 operation(s) for fundos.
Dados B3 Guias API
The Guias API from Dados B3 — 2 operation(s) for guias.
Dados B3 Hoje API
The Hoje API from Dados B3 — 1 operation(s) for hoje.
Dados B3 Indices API
The Indices API from Dados B3 — 4 operation(s) for indices.
Dados B3 Info API
The Info API from Dados B3 — 1 operation(s) for info.
Dados B3 Issb Cvm 193 API
The Issb Cvm 193 API from Dados B3 — 1 operation(s) for issb cvm 193.
Dados B3 Ler Csv Da Cvm API
The Ler Csv Da Cvm API from Dados B3 — 1 operation(s) for ler csv da cvm.
Dados B3 Linhagem API
The Linhagem API from Dados B3 — 2 operation(s) for linhagem.
Dados B3 Listas API
The Listas API from Dados B3 — 1 operation(s) for listas.
Dados B3 Llms.txt API
The Llms.txt API from Dados B3 — 1 operation(s) for llms.txt.
Dados B3 Macro API
The Macro API from Dados B3 — 10 operation(s) for macro.
Dados B3 Metodologia API
The Metodologia API from Dados B3 — 3 operation(s) for metodologia.
Dados B3 Mudou De Ticker API
The Mudou De Ticker API from Dados B3 — 1 operation(s) for mudou de ticker.
Dados B3 O Que Erramos API
The O Que Erramos API from Dados B3 — 1 operation(s) for o que erramos.
Dados B3 O Que Nao Resolvemos API
The O Que Nao Resolvemos API from Dados B3 — 1 operation(s) for o que nao resolvemos.
Dados B3 Para Quem API
The Para Quem API from Dados B3 — 1 operation(s) for para quem.
Dados B3 Perguntas API
The Perguntas API from Dados B3 — 2 operation(s) for perguntas.
Dados B3 Petroleo API
The Petroleo API from Dados B3 — 2 operation(s) for petroleo.
Dados B3 Planilha API
The Planilha API from Dados B3 — 2 operation(s) for planilha.
Dados B3 Plano De Contas Banco API
The Plano De Contas Banco API from Dados B3 — 1 operation(s) for plano de contas banco.
Dados B3 Portal API
The Portal API from Dados B3 — 1 operation(s) for portal.
Dados B3 Privacidade API
The Privacidade API from Dados B3 — 2 operation(s) for privacidade.
Dados B3 Privacy API
The Privacy API from Dados B3 — 1 operation(s) for privacy.
Dados B3 Procurar API
The Procurar API from Dados B3 — 1 operation(s) for procurar.
Dados B3 Qualidade API
The Qualidade API from Dados B3 — 1 operation(s) for qualidade.
Dados B3 Quando O Balanco Existe API
The Quando O Balanco Existe API from Dados B3 — 1 operation(s) for quando o balanco existe.
Dados B3 Quanto Rendeu API
The Quanto Rendeu API from Dados B3 — 1 operation(s) for quanto rendeu.
Dados B3 Ranking API
The Ranking API from Dados B3 — 1 operation(s) for ranking.
Dados B3 Reapresentacoes API
The Reapresentacoes API from Dados B3 — 1 operation(s) for reapresentacoes.
Dados B3 Recibo API
The Recibo API from Dados B3 — 1 operation(s) for recibo.
Dados B3 Revista API
The Revista API from Dados B3 — 2 operation(s) for revista.
Dados B3 Robots.txt API
The Robots.txt API from Dados B3 — 1 operation(s) for robots.txt.
Dados B3 Saiu Da Bolsa API
The Saiu Da Bolsa API from Dados B3 — 2 operation(s) for saiu da bolsa.
Dados B3 Saude API
The Saude API from Dados B3 — 1 operation(s) for saude.
Dados B3 Screener API
The Screener API from Dados B3 — 1 operation(s) for screener.
Dados B3 Selo API
The Selo API from Dados B3 — 1 operation(s) for selo.
Dados B3 Setores API
The Setores API from Dados B3 — 1 operation(s) for setores.
Dados B3 Sitemap.xml API
The Sitemap.xml API from Dados B3 — 1 operation(s) for sitemap.xml.
Dados B3 Small Caps API
The Small Caps API from Dados B3 — 1 operation(s) for small caps.
Dados B3 Sobre API
The Sobre API from Dados B3 — 1 operation(s) for sobre.
Dados B3 Telecom API
The Telecom API from Dados B3 — 2 operation(s) for telecom.
Dados B3 Termos API
The Termos API from Dados B3 — 1 operation(s) for termos.
Dados B3 Terms API
The Terms API from Dados B3 — 1 operation(s) for terms.
Dados B3 Tesouro API
The Tesouro API from Dados B3 — 2 operation(s) for tesouro.
Dados B3 Transparencia API
The Transparencia API from Dados B3 — 1 operation(s) for transparencia.
Dados B3 Vigia API
The Vigia API from Dados B3 — 4 operation(s) for vigia.
Scroll within the panel for all 86 ·
Agent Skills 1
An agent skill packages the how-to for driving these APIs from an assistant — the prompts, the sequence, the guardrails — so the knowledge to use the API travels with it.
Packaged agent skills for driving this provider's APIs from an AI assistant.
Semantic Vocabularies 1
JSON-LD contexts give the data shared meaning across APIs. We profile them because semantics are what let a machine reconcile 'customer' here with 'customer' somewhere else.
JSON-LD contexts and semantic vocabularies used across these APIs.
Dadosb3 Com Context
JSON-LDSpectral Rules 1
Governance rulesets we run against this provider's specs — the automated checks behind parts of the score. Profiling them makes the quality bar explicit and re-runnable, not a matter of opinion.
Dados B3 API Rules
SPECTRALJSON Schema 2
Standalone JSON Schema definitions describe the data models behind the API. We profile them so the shapes are validatable on their own — useful long after a single request is forgotten.
Standalone JSON Schema definitions for this provider's data models.
Body_apagar_pedir_privacidade_apagar_post
JSON SCHEMABody_portal_pedir_link_portal_post
JSON SCHEMASecurity Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals — the evidence that a provider takes security seriously enough to document it. We profile it because you can't govern what you can't see.
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
An x-agentic-access contract marks which operations are safe for an agent to run on its own and which need a human in the loop. It is the difference between an API an agent can use and one it can use safely.
Recommended x-agentic-access execution contracts for AI agents.
Resources
Every other property we hold for Dados B3 — documentation, portals, status pages, policies, and corporate surface — grouped by the job it does, following the integrator's arc from getting started to running in production.
Get Started 1
Portal, sign-up, and the first successful call
Documentation 2
Reference material describing how the API behaves
Agent Surfaces 4
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 6
Pagination, idempotency, versioning, errors, and events
Access & Security 2
Authentication, authorization, and security posture
Company 1
The organization behind the API
Other 2
Properties that don't map to a standard resource type
← All providers · Data indexed from github.com/api-evangelist/dadosb3-com · machine-readable index on apis.io
This is an independent, third-party profile of Dados B3, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.
The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.
Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.
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