Protocol analysis, OpenAPI delivery, secure authorization flows (OAuth2 / PSD2) and production-ready SDKs. Starting at $300.
We design and deliver production-ready APIs (OpenAPI/Swagger), reference SDKs and automated test scripts for account aggregation, payments, card controls and more — following PSD2 / regional regulations and the principle of least privilege.
Custom SLAs, on-prem/private cloud deployment support and assistance with bank/partner approvals.
POST /api/v1/nordea/statement
Content-Type: application/json
Authorization: Bearer <ACCESS_TOKEN>
{
"account_id": "IBAN12345678",
"from": "2025-10-01",
"to": "2025-10-31",
"format": "json"
}
Response 200 OK
{
"status":"ok",
"transactions":[ {"id":"tx1","date":"2025-10-05","amount":-35.50,"currency":"EUR","merchant":"Café"}, ... ]
}
fi.nordea.mobilebank)// 1) Exchange authorization code for token
const resp = await fetch('https://bank.example/oauth2/token',{method:'POST',headers:{'content-type':'application/x-www-form-urlencoded'},body:new URLSearchParams({grant_type:'authorization_code',code:authCode,redirect_uri:'https://your.app/cb',client_id:'YOUR_CLIENT_ID',code_verifier:verifier})});
const token = await resp.json();
// 2) Call accounts endpoint
const acc = await fetch('https://api.bank.example/open-banking/v1/accounts',{headers:{Authorization:`Bearer ${token.access_token}`}}).then(r=>r.json());
console.log(acc);
We are a technical services studio specializing in app protocol analysis and authorized API integration for global fintech and mobile apps. Our team includes former payments engineers, mobile security analysts and cloud-native backend developers. We deliver documentation, OpenAPI specs, production-ready SDKs and automated test suites — all with a compliance-first approach.
To get a tailored proposal, click the link below and provide the target app name, the exact endpoints you need, and whether you have a sandbox or developer portal access.
Typical first response within 24 hours. Starting price $300.
The Nordea mobile banking app provides a wide range of personal banking services: overview dashboard, payments and transfers, card management, savings & investments, security features such as biometric login and digital token, and direct access to loans & other products. The app supports quick balance peek, multi-product application flows, and secure transaction verification. For more details, we use this official description as the basis for protocol analysis and endpoint mapping during integration.