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- 兴趣爱好OpenData · OpenFinance · Protocol Analysis · UPI Integration
Safely integrate FamApp payments and user data into your product
We deliver end-to-end for FamApp: protocol and authorization flow analysis, OpenData/OpenBanking integration, wallet balance and transaction reconciliation APIs, and gift card/recharge/rewards interfaces with runnable backend code and documentation.
Real-time Account & Balance Sync
— periodically or in real-time sync of wallet balances, earnings accrual, and transactions; exportable as JSON / CSV / Excel for accounting.
UPI & Bank Connectivity
— supports QR payments, wallet-to-bank transfers, link payments, and webhook/asynchronous settlement notifications.
Card & Wallet Management
— FamX card numberless control (pause/unfreeze/reset PIN), bidirectional wallet-bank sync, top-up and withdrawal workflows.
Lending & Credit (FamCredit / FamLoan)
— display credit limits, loan applications, interest and repayment planning, and delinquency monitoring.
Request Integration
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Deliverables (Sample)
What we deliver
Protocol analysis report (auth flows, token refresh, reverse-engineering considerations)
Runnable API backend sources (Node.js / Python) with sample SDK
OpenAPI / Swagger docs and Postman collections
Transaction reconciliation export (Excel / CSV / PDF) and automation scripts
Compliance guidance, privacy strategy and data minimization suggestions
Interface Sample: Transaction Reconciliation (pseudo-code)
# POST /api/v1/famapp/transactions
Content-Type: application/json
Authorization: Bearer <ACCESS_TOKEN>
{
'user_id': 'user_123',
'from': '2025-09-01',
'to': '2025-09-30',
'type': 'UPI|WALLET|GIFTCARD',
'page': 1,
'page_size': 100
}
Response 200 OK
{
'status': 'OK',
'meta': {'page':1, 'total': 234},
'transactions': [
{'txn_id':'T20250910-01','date':'2025-09-10','amount':-250.00,'merchant':'Grocery','type':'UPI','status':'SUCCESS'},
{'txn_id':'T20250912-02','date':'2025-09-12','amount':500.00,'merchant':'WalletTopup','type':'BANK','status':'SUCCESS'}
]
}
Key Modules
Transaction capture, UPI triggers, gift card validation, card control API (pause/restart/PIN management), gift card and recharge product mapping, rewards and cashback validation.
API Integration Guide (Getting Started)
Provide target app name (here: FamApp) and required capabilities (e.g., transaction stream, transfers, gift card validation).
We perform protocol analysis (OAuth/token flow, session persistence, SDK reverse points) and deliver secure implementation guidance.
Deliver sample server implementation (with token refresh, retry strategy, pagination).
Deliver documentation, Postman collection and local deployment instructions; assist with API gateway and security policy deployment where needed.
Common Access & Authentication
Authorization: Bearer token, session tokens, and device fingerprint/device tokens
Sensitive operations: additional signatures, PIN validation (card actions, transfers)
Data export: support CSV / Excel / JSON, with scheduled pulls
Security: TLS 1.2/1.3, least-privilege access, auditing logs
Compliance & Privacy
All work is performed under customer authorization or via publicly available / licensed data sources. We provide privacy-preserving guidance, minimal data retention suggestions, and optional NDA for compliance assessments.
About Us
We are a studio focused on app protocol analysis and authorization API integration. Our team comes from fintech, mobile apps and security research backgrounds. We deliver compliant, scalable OpenFinance / OpenData integration with reusable SDKs and test suites.
Supports Android / iOS protocol analysis and integration
Deliver runnable source code, SDKs and API docs
Privacy-first: data minimization and privacy protection guidance
Transparent pricing: starting at $300, pay after verification
Contact
To request a quote or submit target app name and integration needs, visit our contact page:
View Contact Details
Collaboration Timeline (Sample Delivery Cadence)
Requirement confirmation (1 business day)
Feasibility & compliance assessment (2-5 business days)
Protocol analysis & interface design (2-6 business days)
Development & internal validation (3-10 business days)
Deliverables: doc, sample code, test suite (1-3 business days)
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