780 (HafHashtad) — OpenFinance Integration & Protocol Analysis

Standard Package

• Protocol & authorization analysis report (token flows, dynamic CVV, OTP)
• OpenAPI (Swagger) for all exposed endpoints
• Runnable connector (Node.js / Python) for: bookings, payments, wallet, billers
• Automated tests & Postman collection
• Compliance checklist & minimal data retention policy

Example API (pseudo)

POST /api/v1/780/login
Content-Type: application/json

{
  "device_id": "DEVICE123",
  "auth_code": ""
}

Response 200 {
  "access_token": "eyJ...",
  "refresh_token": "r_abc...",
  "expires_in": 3600
}

GET /api/v1/780/payments?from=2025-01-01&to=2025-02-01
Authorization: Bearer <access_token>

Response: { "transactions": [ { "id":"TX123","amount":-45.0,"merchant":"Taxi","status":"settled"} ] }

Key integration scenarios

Account linking, statement export (CSV/OFX/PDF), QR payment flow, merchant QR generation, travel booking lifecycle, refunds, and loyalty point sync. We support both direct API integrations and authorized OpenData connectors where available.

Core Benefits

• Production‑ready APIs with OpenAPI docs
• Compliant approach — user consent, minimal data retention, regional regulations
• Multi‑platform delivery: Android/iOS client hooks + server SDKs
• Option: delivery-first & pay-on-satisfaction (starting $300)

Security & Compliance

We only propose methods based on consented and public/authorized channels (OpenData, licensed PSP APIs). When reverse engineering or deeper protocol analysis is required (for legacy/non-public endpoints), we document risks, remedial controls and legal considerations before work begins.

Authentication

1. Prefer OAuth2 Authorization Code with PKCE for user flows.
2. Support Token Refresh and short TTLs (rotate refresh token on use).
3. For merchant endpoints use mTLS or client credentials with scoped keys.

Payments & QR

Expose endpoints for: createPaymentIntent, generateMerchantQR, verifyPaymentStatus, refund. Use webhooks with signature verification (HMAC) and replay protection.

Data & Reporting

Transactions, bookings and statements should be available via paginated endpoints with date filters and CSV/OFX export. Include a reconciliation webhook for settlement updates.

About our studio

We are a technical service studio specialized in App interface integration and authorized API integration. Our team has deep experience in mobile fintech, protocol analysis, OpenData/OpenFinance connectors, and secure SDK delivery. We provide end‑to‑end delivery: analysis → implementation → testing → documentation.

• Protocol analysis & reverse‑engineering (ethical, consented)
• Open Banking / Open Finance connectors
• Production SDKs, OpenAPI, and automated test suites
• Compliance guidance (KYC, data minimization, logs)

Contact

Provide your target app package name and integration requirements — we'll return a proposal and a proof‑of‑concept. To get started, visit:

Contact us