Blockchain.com Interface Integration and OpenFinance Solutions

What we deliver

• API specs (OpenAPI / Swagger) and example requests
• Protocol analysis report (signing flow, WalletConnect, JSON-RPC, node/indexing services)
• Runnable SDKs (Node.js / Python / Go) with code samples
• Automated tests, stress tests, and security checklists
• Compliance recommendations (KYC/AML, transaction monitoring, data minimization)

Sample interfaces (illustrative)

// Node.js quick example: fetching user transactions via access layer (pseudo-code)
const express = require('express')
const app = express()
app.use(express.json())

// Assume a secure proxy handles App authorization and returns ACCESS_TOKEN
app.post('/api/v1/blockchain/transactions', async (req, res) => {
  const { access_token, account_id, from_date, to_date } = req.body
  // Call the bank side via the authorization proxy/SDK
  const resp = await fetch('https://proxy.example/v1/accounts/' + account_id + '/transactions', {
    method: 'GET',
    headers: { 'Authorization': `Bearer ${access_token}` }
  })
  const data = await resp.json()
  return res.json({ status:'ok', transactions: data.transactions })
})

app.listen(3000)

Compliance & Security

We operate only under client authorization or with publicly licensed APIs. Implementations include:

• Least privilege and data minimization
• Secure key storage, token refresh and revocation workflows
• Mobile protection: certificate validation and anti-tampering guidance (TLS hardening, compliant alternatives to certificate pinning)
• GDPR/local privacy compliance and audit logging strategies

API Integration Guide (Quick Start)

1. Provide the target App name (com.EurobankEFG), desired scenarios (transaction export/card management/reconciliation), and sample account type (personal/business).
2. Select authorization path: pre-authorized API / enterprise credentials / user delegation (OAuth2) or licensed proxy collection.
3. Protocol analysis: we complete traffic and protocol analysis within 2-5 business days, identifying secure links and key endpoints.
4. Development & validation: generate SDKs, APIs, automated tests and validate in a testing environment (3-10 business days, depending on complexity).
5. Delivery: OpenAPI docs, sample source code, test suites and compliance guidance; supports operations and security audits on request.

Note: For scenarios requiring third-party or bank approvals, the approval timeline will be calculated separately.

Illustrative API: Transaction Export (request/response)

POST /api/v1/blockchain/statement
Content-Type: application/json
Authorization: Bearer <ACCESS_TOKEN>

{
  "account_id": "GR12...",
  "from_date": "2025-10-01",
  "to_date": "2025-10-31",
  "format": "excel" // json | csv | excel
}

Response: {
  "status": "SUCCESS",
  "file_url": "https://files.example/downloads/statement-2025-10.xlsx",
  "transactions_count": 124
}

About Our Studio

We are a tech studio focused on mobile app protocol analysis and Open Data / Open Finance integrations. Our team comes from payments, blockchain node services and financial compliance, specializing in delivering compliant, reusable APIs for enterprise clients.

• Extensive experience in mobile apps and fintech deployments
• End-to-end delivery: protocol analysis → SDK development → validation → compliance guidance
• Multilingual delivery: Chinese / English / Portuguese
• Starting at $300, payment on acceptance or milestone-based after delivery

Contact

Ready to start integration? Please provide the target App name (already provided), specific requirements, expected outputs and timelines.

Visit Contact Page / Submit Request

Collaboration Flow & Deliverables Timeline (Example)

1. Requirements assessment (1-2 business days)
2. Protocol analysis & solution design (2-5 business days)
3. Development & integration (3-10 business days)
4. Testing, documentation & delivery (1-3 business days)

Typically first delivery in 5-15 business days; more complex or bank-approved integrations may take longer.

FAQ

What information do I need to provide?

How do you ensure compliance with service terms?