Singa Fintech · API Integration & Protocol Analysis (OpenFinance)

Standard Deliverables

• OpenAPI/Swagger specifications and interactive docs
• Protocol analysis report (authorization chain, signing, session flows)
• runnable backend code (Node.js / Python) with SDK examples
• Automation test scripts and CI integration samples
• Compliance guidance (data retention, logging, access controls)

Example: Loan Application API (pseudo-code)

POST /api/v1/loan/apply
Content-Type: application/json
Authorization: Bearer <CLIENT_TOKEN>

{
  'applicant': {
    'full_name': 'Budi Santoso',
    'id_number': '317xxxxxxxxxxx',
    'phone': '+62812xxxxxxx'
  },
  'amount': 3000000,
  'term_days': 92,
  'purpose': 'medical'
}

Response 202 Accepted {
  'application_id': 'LN-20251123-0001',
  'status': 'PENDING',
  'next_steps': ['KYC_VERIFY', 'RISK_SCORE']
}

Example: Loan Disbursement Callback

POST /webhooks/payment/notification
Headers: X-Signature: sha256=...

{
  'tx_ref': 'PAY-VAXXX-20251123',
  'amount': 3000000,
  'status': 'SUCCESS',
  'va_account': '7001234567890',
  'received_at': '2025-11-23T10:22:33Z'
}

Processing notes: verify signature -> idempotent write -> reconcile with application_id -> update loan status -> trigger receipts / collections

Core Advantages

• Extensive hands-on experience with mobile finance and payments, familiar with Indonesian OJK requirements
• Compliance-first: data minimization, auditable logs and KYC timelines
• Supports multi-channel repayment integration and automated reconciliation
• Flexible delivery formats: SDKs, microservices, containerized deployments, and CI/CD integration

Compliance & Privacy

All work is based on client authorization or publicly available APIs; we provide privacy-preserving data handling guidance and audit trail plans to meet regulatory standards (NDA optional).

About Us

We are a studio focused on app protocol analysis and compliant API integration. Our team comes from fintech, banking and cloud-native backgrounds, delivering end-to-end capabilities from protocol analysis to source code delivery.

• Android & iOS protocol analysis and interface reconstruction
• Deliver runnable source code, OpenAPI docs, and automated tests
• Multi-language support: English, Chinese, Indonesian
• Transparent pricing: starting at $300, with post-delivery payment options

Contact Us

Ready to start? Visit our contact page and submit your target app name and integration requirements:

Go to Contact / Submit Request