App BB (Banco do Brasil) API Integration & Open Finance

Providing compliant protocol analysis, API implementations for accounts, transfers, statements, and synching cards/investments, with Open Banking and Pix. Source code, OpenAPI docs, and automation scripts included.

Starting at $300 • Fast delivery
Open Data · Open Banking · Protocol Analysis · Implementation

Safely connect Banco do Brasil accounts and payment capabilities to your system

We provide end-to-end API delivery for App BB based on compliant authorization and Open Data standards: account queries, transaction streams, Pix integration, card management, and investment data aggregation, with runnable code and full documentation.

Account & Asset Sync — Synchronize balances, transactions and multi-account aggregation with pagination, date filtering, and exports to JSON/CSV/Excel.
Payments & Transfers — Support SEPA/instant transfers, inter-bank transfers, QR payments, and merchant settlement workflows with idempotency and retries.
Bills & Payments — Centralized bill and payment services for utilities, telecom, and more with automated reconciliation.
Loans & Products — Integrate online loan applications, rate queries, and approval callbacks.

Deliverables & Examples

Delivery Artefacts

  • OpenAPI / Swagger interface specifications
  • Protocol analysis reports (auth flows, signing, encryption, token lifecycle)
  • Runnable backend samples (Node.js / Python) and SDK templates
  • Automation tests and Postman collections
  • Compliance guidance (KYC, data retention, logs) and deployment documents

Sample API: Account Transactions (pseudo)

# POST /api/v1/bb/account/statement
Content-Type: application/json
Authorization: Bearer <ACCESS_TOKEN>

{
  "account_id": "12345678-9",
  "from_date": "2025-10-01",
  "to_date": "2025-10-31",
  "type": "PIX, DEBIT, CREDIT",
  "page": 1,
  "page_size": 200
}

Response 200 OK
{
  "status":"OK",
  "account_id":"12345678-9",
  "transactions":[
    { "id":"TXN20251010001","date":"2025-10-10T09:12:00Z","amount":-150.50,"currency":"BRL","type":"PIX_OUT","merchant":"Restaurant","status":"SETTLED" },
    { "id":"TXN20251011002","date":"2025-10-11T14:03:00Z","amount":2500.00,"type":"DEPOSIT","status":"SETTLED" }
  ],
  "page":1,"total_pages":3
}

典型对接场景

Account aggregation (multi-accounts/corporate), Pix merchant acquiring, automated reconciliation, virtual cards and installment checks, investment data sync, and ERP integration for accounting entries.

合规与安全

All work is performed strictly within client authorization or through official/public APIs. We provide encryption, least-privilege policies, auditable logs and consent records, and LGPD-compliant guidance where applicable.

技术能力与部署

  • REST / OpenAPI, Webhooks, OAuth 2.0 / MTLS
  • OpenAPI / SDK samples in Node.js, Python, Go
  • Containerized deployment (Docker / Kubernetes) and API gateway integration
  • Automation tests and CI/CD integration

关于我们

We are a boutique engineering studio specializing in App protocol analysis and Open Finance / Open Banking API integration. Our team brings years of experience in banking, payments, and mobile security to deliver compliant and scalable API solutions with reusable SDKs and documentation.

  • Supports Android / iOS protocol research and integration
  • OpenAPI docs, sample code in Node.js / Python / Go
  • NDA and local compliance consulting available

Contact

To start a project, get a quote, or submit App name and integration needs, please visit our contact page:

Visit Contact Page / Submit Request

📱 Original App: App BB / Banco do Brasil — Full Features (collapsible)

The following is a summary of the original application features for alignment and scoping.

  • Account management: balance, transactions, monthly statements
  • Transfers: domestic and cross-border, instant transfers
  • Card management: virtual and physical cards, limits and payments
  • Investments: monitor funds, bonds and funds
  • Customer care: support channels and branch locator