George (at. erstebank.george) OpenBanking / OpenFinance API Integration

OpenData / OpenBanking based protocol analysis, account and payment synchronization, investments data integration, with compliant delivery of runnable API source code.

Starting package
$300
OpenBanking · OpenFinance · Protocol Analysis · Data Integration

Integrate George's account, payments and investment capabilities securely and compliantly

We provide reverse engineering of the George mobile protocol, OpenData integration, and reconstruction of authorization flows with runnable API source code to enable compliant account aggregation, payments and wealth data synchronization quickly.

Account & Authorization Management — Support for user-authorized session retrieval, token refresh, role-based permissions extraction and session management.
Transactions & Statements — Support for date range, transaction type, and account merging; export to JSON/CSV/Excel/PDF; with tagging, notes and multi-criteria search.
Payments & QR/SBP — Integrate instant transfers, QR code payments (Scan & Pay), and local real-time payment channels, including duplicate protection and idempotency.
Investments & Wealth — Fetch and normalize ETF, stocks, funds and some equity data; support portfolio NAV and holding history exports.
Security & Authorization — Analyze and reproduce app login (biometrics/SSO), session management, OTP/dynamic tokens and sensitive permission calls; provide compliant authorization flow recommendations.
Contact Us View Deliverables

Deliverables & sample

Standard Deliverables

  • OpenAPI / Swagger specs and sample requests
  • Protocol analysis report (authorization flow, session management, endpoints)
  • Runnable backend samples (Node.js / Python), including deployment instructions
  • Automation tests and integration test cases
  • Compliance guidance and data retention policies

Sample Interface: Transactions (pseudo)

# POST /api/v1/george/transactions
Content-Type: application/json
Authorization: Bearer <ACCESS_TOKEN>
{
  "account_id": "cz-account-123",
  "from_date": "2025-10-01",
  "to_date": "2025-10-31",
  "type": "ALL",
  "page": 1,
  "page_size": 50
}

Response: {
  "status": "OK",
  "transactions": [
    {"id":"TXN20251001A","date":"2025-10-01","amount":-1250.00,"currency":"RUB","description":"Store purchase","type":"card"},
    {"id":"TXN20251003B","date":"2025-10-03","amount":50000.00,"currency":"RUB","description":"Salary","type":"credit"}
  ],
  "next_page": null
}

Use-case Spotlight

Account aggregation, card reconciliation, loan statements, real-time payment receipts (SBP/QR), batch settlements and merchant statement reconciliation.

核心优势

  • End-to-end delivery: from protocol analysis to runnable source and tests
  • Compliance-first: guidance aligned with customer authorization or bank APIs
  • Fast delivery: initial version typically in 5–12 working days (depending on complexity)
  • Multilingual support: Russian, English, Chinese and other localization

Security & Compliance

All implementations are based on customer authorization or official bank interfaces, with encryption, audit trails and data minimization. NDA and security audits available upon request.

API Integration Quick Start

What we need from you

  • Target App name and package (e.g., cz.bsc.rc)
  • Integration goals (transactions export, account aggregation, investments data, identity verification, etc.)
  • Official API credentials or testing environment
  • Compliance constraints (data retention, regional storage, NDA requirements)

Typical steps

  1. Requirement alignment → feasibility assessment (2–4 days)
  2. Protocol analysis & interface design (2–5 days)
  3. Development and internal testing (3–10 days)
  4. Delivery of docs, code and test data (1–3 days)
  5. Deployment support and optional SLA

About Us

We are a studio focused on app protocol analysis and authorized API integration for global financial and retail clients. Our team brings experience in mobile, payments gateways, and regulatory-compliant delivery.

  • OpenData / OpenBanking integration
  • OpenAPI, SDK and test scripts
  • NDA and data privacy guidance
  • Transparent pricing: starting at $300, pay on delivery acceptance

Contact Us

To start integrating, please visit our contact page and provide your target App name and requirements.

View Contact Details / Submit Request

📱 Original App: Renaissance Bank Mobile — Feature overview (collapsed)

The Renaissance Bank mobile app provides 24/7 customer support and a clean interface for managing personal and business finances.

  • Opening new accounts online and remote identity verification
  • Card management with temporary freezes and payment controls
  • Loans and credit management with online application
  • Investments and wealth management with real-time updates
  • Push notifications and budgeting insights

Note: This section summarizes publicly available information for technical integration reference.