Caixa App API Integration & Open Finance Solutions

Protocol analysis, account authorization, payments & transactions integration for Caixa Mobile, with OpenData/OpenBanking and runnable API implementations.

Starting at $300
OpenData · OpenFinance · Protocol Analysis · Compliant Deliverables

Securely connect Caixa accounts, transactions, and payments to your system

We provide enterprise-grade solutions: account aggregation (multi-account view), transaction synchronization, statement export (Excel/JSON/PDF), QR & card payments integration, and app protocol analysis with runnable API sources based on authorization flows.

Account Aggregation & View — Consolidate balances, credit card and loan overviews, support multi-currency and localized outputs (JSON/CSV/Excel).
Payments & Transfers — Implement QR payments, instant transfers and batch transfers (Send-to-Many), with receipts and reconciliation trails.
Transactions & Budget Insights — Regularly fetch transaction histories, categorize expenses, provide fee alerts (ATM charges, late fees) and output visualization-ready reports via API.
Compliance & Privacy — Data minimization, audit logs, data retention guidance and LGPD-oriented recommendations.
Request a Quote View Deliverables

What We Deliver

Delivery Package (Sample)

  • OpenAPI / Swagger interface specifications
  • Protocol & authorization workflow analysis (OAuth, Token, Session, Device binding)
  • Runnable backend samples (Node.js / Python / Go optional) and SDK
  • Webhook and asynchronous notification examples, retry strategies
  • Automated test scripts and interface acceptance test cases
  • Compliance recommendations (privacy, data retention, consent records)

Interface Example: Transaction Query API (pseudo-code)

POST /api/v1/caixa/transactions
Content-Type: application/json
Authorization: Bearer <ACCESS_TOKEN>

{
  "account_id": "TR-IBAN-1234",
  "from": "2025-09-01",
  "to": "2025-09-30",
  "type": "CARD|QR|TRANSFER",
  "page": 1,
  "page_size": 100
}

Response 200 OK
{
  "status": "OK",
  "transactions": [
    {"id":"TXN001","date":"2025-09-05","amount":-250.00,"merchant":"MARKET A","category":"GROCERIES","fee":0.50},
    {"id":"TXN002","date":"2025-09-12","amount":1500.00,"merchant":"SALARY","category":"INCOME","fee":0}
  ],
  "next_page": 2
}

Integration Scenarios

Account aggregation, real-time transaction push (webhook), batch reconciliation, statement export (CSV / XLSX / PDF), device binding and signature chain, and Open Finance-based shared authorization handling.

Core Advantages

  • Compliance-first: meets local privacy and financial regulations
  • Runnable delivery: source code, documentation, and tests delivered for quick go-live
  • Cross-platform support: Android / iOS protocol analysis and backend SDKs
  • Transparent pricing: starting at $300; pay on acceptance

Compliance & Security

All integrations are based on client authorization or public/approved APIs. We provide data minimization, encrypted transmission, audit logs and consent records; NDA and security assessments available as needed.

API Integration Quick Start

  1. Provide the target App name (Caixa provided) and concrete business needs (e.g., transaction capture, QR payments, batch reconciliation).
  2. If you have test accounts/credentials, submit them; otherwise we can provide a simulated environment based on protocol analysis.
  3. Confirm compliance boundaries (explicit user consent, data retention policy, NDA, etc.).
  4. We complete protocol analysis and deliver interface designs and a timeline (typically 2-5 business days).
  5. Upon confirmation, deliver runnable source code, OpenAPI docs and testing scripts.

About Us

We are a studio focused on mobile app protocol analysis and third-party API integration. Our team comes from payments, banking, and mobile security backgrounds, delivering compliant, auditable interfaces and documentation end-to-end for global clients.

  • Service scope: Protocol analysis, OpenData integration, interface refactoring, third-party API access, automation scripts and delivery docs
  • Supported platforms: Android / iOS native flows and backend SDKs
  • Delivery format: runnable source code, OpenAPI docs, test cases and deployment guides
  • Transparent pricing: starting at $300; pay on delivery acceptance

Contact Us

Ready to start? Click the link below to submit the target App name and requirements, and we will respond within 24 hours.

View Contact / Submit Request

Cooperation Process (Sample Timeline)

  1. 1. Requirements submission → 2. Protocol assessment (2-5 business days) → 3. Development & integration (3-12 business days) → 4. Delivery & documentation (1-3 business days)
  2. Typical initial delivery cycle: 5-18 business days; more complex or requiring third-party approvals may extend.
📱 Yapı Kredi Mobile Official App Features Overview (Expanded Text)

Yapı Kredi Mobile is a leading Turkish mobile banking app for individuals and businesses, offering account management, transfers, bill payments, investment tracking, spend/calendar features, loan applications, and instant transfers. Enterprise users can view and approve pending transactions through the notification system.

  • MyCar+ / MyHome+ / MyTravel+ scenario-based services covering vehicle, home, and travel-related financial services and offers.
  • One-click account opening: supports video identity verification to quickly become a customer.
  • Cardless withdrawals, QR payments, transfers outside IBAN for convenience.
  • Investments and markets: real-time quotes, smart brokerage, FX and precious metals trading, overseas stock trading.
  • Bills and city cards: supports top-ups for dozens of transit cards and automatic bill payments for hundreds of bills.
  • Business functionality: company code login, pending transaction management, quick switching between retail and corporate accounts.

Note: The above is a summary of the original app features for technical reference. If you need protocol-level analysis and runnable API implementations based on this App, please submit your request via the contact page.