aid: b3-exchange
url: https://raw.githubusercontent.com/api-evangelist/b3-exchange/refs/heads/main/apis.yml
name: B3 (Brasil Bolsa Balcão)
kind: company
description: B3 S.A. - Brasil, Bolsa, Balcão is the Brazilian exchange and financial market
  infrastructure operator formed by the 2017 merger of BM&FBOVESPA and Cetip, running trading,
  clearing, central depository, and OTC registration for equities, derivatives, fixed income,
  and FX. Its public B3 for Developers portal documents 114 B2B REST APIs (OAuth 2.0 client
  credentials and ROPC) across investor-area, OTC (Balcão), listed-markets, Tesouro Direto,
  Banco B3, and insurance domains. Real-time market data is distributed through the UMDF multicast
  feed (FIX/FAST and Binary SBE, L1/L2) via authorized distributors, and end-of-day plus reference
  data through the UP2DATA file service (TXT/CSV/JSON/XML via client software or cloud). All
  API and data access is contract-gated for institutions - B3 explicitly offers no self-serve
  access for individuals.
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- Financial
- Market Data
- Stocks
- Trading
- Exchange
- Derivatives
- Fixed Income
- Real-Time
- Reference Data
- Brazil
created: '2026-07-21'
modified: '2026-07-22'
specificationVersion: '0.19'
apis:
- aid: b3-exchange:b3-investor-area-apis
  name: B3 Investor Area (Área do Investidor) APIs
  tags:
  - Investor Data
  - Positions
  - Transactions
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://developers.b3.com.br/apis/api-area-do-investidor
  baseURL: https://developers.b3.com.br:8065
  properties:
  - url: https://developers.b3.com.br/apis/api-area-do-investidor
    type: Documentation
  - url: openapi/b3-exchange-investor-position-openapi.json
    type: OpenAPI
  - url: openapi/b3-exchange-investor-transactions-openapi.json
    type: OpenAPI
  - type: Overlay
    url: overlays/b3-exchange-investor-position-overlay.yaml
  - type: Overlay
    url: overlays/b3-exchange-investor-transactions-overlay.yaml
  description: D-1 investor data for authorized fintechs and custodians - investment positions,
    account transactions, listed-asset buy/sell activity, public offering participation, and
    provisioned corporate events - under OAuth 2.0 with investor consent flows (STVM request/response
    authorization).
- aid: b3-exchange:b3-tesouro-direto-apis
  name: B3 Tesouro Direto APIs
  tags:
  - Government Bonds
  - Reference Data
  - Positions
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://developers.b3.com.br/apis/tesouro-direto
  baseURL: https://developers.b3.com.br:8065
  properties:
  - url: https://developers.b3.com.br/apis/tesouro-direto
    type: Documentation
  - url: openapi/b3-exchange-tesouro-direto-bonds-openapi.json
    type: OpenAPI
  - url: openapi/b3-exchange-tesouro-direto-positions-openapi.json
    type: OpenAPI
  - type: OpenAPI
    url: openapi/b3-exchange-tesouro-direto-orders-openapi.json
  - type: Overlay
    url: overlays/b3-exchange-tesouro-direto-bonds-overlay.yaml
  - type: Overlay
    url: overlays/b3-exchange-tesouro-direto-positions-overlay.yaml
  - type: Overlay
    url: overlays/b3-exchange-tesouro-direto-orders-overlay.yaml
  description: Treasury Direct platform APIs - the Bonds API serves reference data for Brazilian
    public bonds (name, maturity, Selic code, platform identifiers), Positions serves investor
    position balances, and Orders covers operations on the Tesouro Direto platform.
- aid: b3-exchange:b3-otc-balcao-apis
  name: B3 OTC (Balcão) APIs
  tags:
  - OTC
  - Fixed Income
  - Registration
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://developers.b3.com.br/apis/api-balcao
  baseURL: https://developers.b3.com.br:8065
  properties:
  - url: https://developers.b3.com.br/apis/api-balcao
    type: Documentation
  - url: openapi/b3-exchange-otc-public-info-openapi.json
    type: OpenAPI
  - type: Overlay
    url: overlays/b3-exchange-otc-public-info-overlay.yaml
  description: Registration, custody, and consultation APIs for the OTC segment - bank funding
    instruments (CDB, RDB, LCA, LCI, LF, LIG), credit notes (CCB, CPR, NC), OTC derivatives
    (swaps, flexible options, term contracts), liens and collateral, plus the NoMe Public-Info
    API for OTC public information consultation.
- aid: b3-exchange:b3-listed-markets-apis
  name: B3 Listed Markets (Listados) APIs
  tags:
  - Post-Trade
  - Risk
  - Funds
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://developers.b3.com.br/apis/api-listados
  baseURL: https://developers.b3.com.br:8065
  properties:
  - url: https://developers.b3.com.br/apis/api-listados
    type: Documentation
  - type: OpenAPI
    url: openapi/b3-exchange-core-calculation-openapi.json
  - type: OpenAPI
    url: openapi/b3-exchange-securities-lending-openapi.json
  - type: Overlay
    url: overlays/b3-exchange-core-calculation-overlay.yaml
  - type: Overlay
    url: overlays/b3-exchange-securities-lending-overlay.yaml
  description: Post-trade APIs for the listed segment - iMercado investment fund registration
    and equities fee details, CORE risk calculation and simulation, unified client registration,
    asset lending, reconciliation files, and guarantee management report data.
- aid: b3-exchange:b3-isin-api
  name: B3 ISIN API
  tags:
  - ISIN
  - Reference Data
  - Identifiers
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://developers.b3.com.br/api-details?apiId=78646d15-2690-42df-9822-93e2860fe708&managerId=1&swaggerVersion=2.0&type=rest&usage=api&Itemid=171
  baseURL: https://developers.b3.com.br:8065
  properties:
  - url: https://developers.b3.com.br/api-details?apiId=78646d15-2690-42df-9822-93e2860fe708&managerId=1&swaggerVersion=2.0&type=rest&usage=api&Itemid=171
    type: Documentation
  - url: openapi/b3-exchange-isin-openapi.json
    type: OpenAPI
  - type: Overlay
    url: overlays/b3-exchange-isin-overlay.yaml
  description: ISIN issuance and management for financial instruments - B3 is the Brazilian
    numbering agency - covering ISIN requests, updates, and consultation of instrument identifier
    records.
- aid: b3-exchange:b3-banco-b3-apis
  name: Banco B3 APIs
  tags:
  - Banking
  - Custody
  - Settlement
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://developers.b3.com.br/apis/bancob3
  baseURL: https://developers.b3.com.br:8065
  properties:
  - url: https://developers.b3.com.br/apis/bancob3
    type: Documentation
  - type: OpenAPI
    url: openapi/b3-exchange-banco-b3-custody-openapi.json
  - type: OpenAPI
    url: openapi/b3-exchange-banco-b3-settlement-openapi.json
  - type: Overlay
    url: overlays/b3-exchange-banco-b3-custody-overlay.yaml
  - type: Overlay
    url: overlays/b3-exchange-banco-b3-settlement-overlay.yaml
  description: Banco B3 Custody API for operation billing, position reports, and fund quote
    validation, plus the Settlement API for Pix statement consultation.
- aid: b3-exchange:b3-insurance-apis
  name: B3 Insurance (Seguros) APIs
  tags:
  - Insurance
  - Claims
  - Registration
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://developers.b3.com.br/apis/seguros
  baseURL: https://developers.b3.com.br:8065
  properties:
  - url: https://developers.b3.com.br/apis/seguros
    type: Documentation
  - type: OpenAPI
    url: openapi/b3-exchange-insurance-claim-openapi.json
  - type: Overlay
    url: overlays/b3-exchange-insurance-claim-overlay.yaml
  description: Insurance-segment registration APIs (V3) covering accepted co-insurance registration,
    claim registration, document registration, and batch processing return with data-quality
    feedback.
- aid: b3-exchange:b3-authentication-apis
  name: B3 Authentication APIs
  tags:
  - Authentication
  - OAuth
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://developers.b3.com.br/apis/autenticacao
  baseURL: https://developers.b3.com.br:8065
  properties:
  - url: https://developers.b3.com.br/apis/autenticacao
    type: Documentation
  - type: OpenAPI
    url: openapi/b3-exchange-auth-client-credentials-openapi.json
  - type: OpenAPI
    url: openapi/b3-exchange-auth-ropc-openapi.json
  - type: Overlay
    url: overlays/b3-exchange-auth-client-credentials-overlay.yaml
  - type: Overlay
    url: overlays/b3-exchange-auth-ropc-overlay.yaml
  description: OAuth 2.0 token issuance APIs used across the B3 API catalog - Client Credentials
    flows (plain, plus category_ID, key, or scope parameter variants) and Resource Owner Password
    Credentials flows.
- aid: b3-exchange:b3-market-data-feed-umdf
  name: B3 Market Data Feed (UMDF)
  tags:
  - Real-Time
  - Market Data
  - Order Book
  - Multicast
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.b3.com.br/en_us/market-data-and-indices/data-services/market-data/
  properties:
  - url: https://www.b3.com.br/en_us/market-data-and-indices/data-services/market-data/
    type: Documentation
  - url: https://www.b3.com.br/data/files/A4/11/B5/27/B1C6C6106B9896C6DC0D8AA8/UMDF_MarketDataSpecification_v2.1.7.pdf
    type: Documentation
  description: B3's real-time market data distribution over the Unified Market Data Feed (UMDF)
    - event-based bid, ask, trade, and statistics data in L1 (top of book) or L2 (full book)
    depth, real-time or 15-minute delayed, delivered as FIX/FAST and lower-latency Binary SBE
    multicast streams to authorized distributors and direct connections under commercial contract.
    Not an HTTP API.
- aid: b3-exchange:b3-up2data
  name: B3 UP2DATA
  tags:
  - End of Day
  - Reference Data
  - Files
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.b3.com.br/en_us/market-data-and-indices/data-services/up2data/
  properties:
  - url: https://www.b3.com.br/en_us/market-data-and-indices/data-services/up2data/
    type: Documentation
  - url: https://www.b3.com.br/en_us/market-data-and-indices/data-services/up2data/available-data/
    type: Documentation
  description: End-of-day and reference data service covering fixed income, equities, currencies,
    and debentures for mark-to-market, risk, and pricing workflows - standardized files in TXT,
    CSV, JSON, or XML delivered daily at predetermined times through client software or a cloud
    environment, under commercial contract. File-based delivery, not an HTTP API.
common:
- type: VulnerabilityDisclosure
  url: security/b3-exchange-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/b3-exchange-domain-security.yml
- type: Website
  url: https://www.b3.com.br/en_us/
- type: Portal
  url: https://developers.b3.com.br/
- type: Documentation
  url: https://developers.b3.com.br/apis
- type: LinkedIn
  url: https://www.linkedin.com/company/b3
- type: TermsOfService
  url: https://www.b3.com.br/en_us/terms-of-use-and-data-protection/
- type: Support
  url: https://developers.b3.com.br/contato
- type: Packages
  url: packages/b3-exchange-packages.yml
- type: WellKnown
  url: well-known/b3-exchange-well-known.yml
- type: SecurityTxt
  url: well-known/b3-exchange-security.txt
- type: MCPServer
  url: mcp/b3-exchange-mcp.yml
- type: LLMsTxt
  url: llms/b3-exchange-llms.txt
- type: Conformance
  url: conformance/b3-exchange-conformance.yml
- type: ErrorCatalog
  url: errors/b3-exchange-problem-types.yml
- type: Lifecycle
  url: lifecycle/b3-exchange-lifecycle.yml
- type: OAuthScopes
  url: scopes/b3-exchange-scopes.yml
- type: Authentication
  url: authentication/b3-exchange-authentication.yml
- type: Conventions
  url: conventions/b3-exchange-conventions.yml
- type: Sandbox
  url: sandbox/b3-exchange-sandbox.yml
- type: ChangeLog
  url: changelog/b3-exchange-changelog.yml
- type: DataModel
  url: data-model/b3-exchange-data-model.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Security
  url: https://developers.b3.com.br/seguranca
- type: APIReference
  url: https://developers.b3.com.br/apis
- type: GettingStarted
  url: https://developers.b3.com.br/faq
- type: Login
  url: https://developers.b3.com.br/sign-in
- type: PrivacyPolicy
  url: https://www.b3.com.br/en_us/terms-of-use-and-data-protection/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com