All Bank Balance Enquiry — API & OpenFinance Integration

Protocol analysis, OpenData / OpenFinance connectors and production-ready API delivery for balance enquiry, missed-call & USSD services.

Starting from $300 · Pay on satisfaction
OpenData · OpenFinance · Protocol Analysis · USSD / Missed-Call

Turn the "All Bank Balance Enquiry" app into a secure, documented API integration

We convert app behaviours and public/authorized channels (missed-call banking, USSD dial flows, ATM/branch discovery) into documented, maintainable APIs — ready to deploy as SDKs or microservices.

Balance & Mini-statement API — Paginated transaction history, multi-account aggregation, and masked PII output. Exportable to JSON, CSV, or Excel.
Missed-call & USSD adapters — Implement safe USSD session emulation, missed-call triggers and webhook-based callbacks for real-time balance callbacks.
ATM / Branch Locator — Geolocation-powered endpoint returning nearest ATMs and branch hours using public directories or partner APIs.

Deliverables — What you'll receive

Technical Package

  • OpenAPI (Swagger) spec for all endpoints
  • Production-ready microservice code (Node.js / Python) with Dockerfile
  • Authentication adapters (OAuth, token refresh, HMAC)
  • Test vectors, mock server and Postman collection

Integration Playbook

Step-by-step instructions for deploying, securing and monitoring the integration in production. Includes privacy & compliance checklist relevant to banking APIs.

Support & Handover

  • 1 week of deployment support
  • Code walkthrough and integration training
  • Optional extended SLA & security audit

Sample API Endpoints (pseudocode)

# POST /api/v1/balance-check
# Headers: Authorization: Bearer <API_KEY>
{
  'user_phone': '+919876543210',
  'bank_code': 'SBI',
  'account_mask':'XXXX1234'
}

Response 200 OK
{
  'status':'OK',
  'balances':[{'account':'Savings XXXXX1234','available':12500.50,'currency':'INR'}],
  'mini_statement':[{'date':'2025-10-01','desc':'ATM Withdrawal','amount':-2000.00}]
}

# Webhook (missed-call): /webhook/missed-call
# USSD flow example: /api/v1/ussd-session (sessionId, userInput)

Integration Notes

- We prefer working from authorised channels or open directories. When official APIs are unavailable, we provide protocol analysis and reverse-engineering (for research) to map app flows into server-side APIs — always with a compliance-first approach. - We implement minimal retention of sensitive data, encryption-at-rest/in-transit and detailed consent logging.

Why choose our studio

We are a boutique technical studio specialising in mobile protocol analysis and authorised API integration for fintech and payments. Our engineers come from mobile, banking and cloud backgrounds and deliver production-grade code, docs and compliance artifacts.

  • Cross-platform experience: Android & iOS protocol analysis
  • Legal & privacy-aware delivery model
  • SDKs, OpenAPI, and CI-ready artifacts
  • Transparent pricing and milestone-based payment

How we work — quick process

  1. You provide: target app name (done), desired endpoints and any access credentials.
  2. Scoping & protocol analysis (2–5 business days).
  3. Implementation & internal QA (3–10 business days depending on complexity).
  4. Delivery: code, OpenAPI, test scripts, and deployment guide.

Compliance & Risk

All engagements are scoped to use public or customer-authorised channels. We provide recommendations for consent capture, data minimisation, encryption, and retention policies aligned with banking regulations and privacy laws.

Contact & Next Steps

Ready to proceed? Click below to reach our contact page, provide any extra details (environments, credentials, desired outputs), and we’ll reply with a precise proposal.

Contact Us

Original App — "All Bank Balance Enquiry" (source description)

Below is the app description you provided (kept here as a collapsed appendix for reference).

Check Balance: All bank account balance enquiry app helps you check bank account balance anytime. With this one app you can check balance of all bank accounts.

All bank balance enquiry app is 100% free. Missed call banking can be used to check bank account balance. In addition to the internet banking facility, the nearby ATMs can be searched with a click of a button. In case you are wondering where is your nearby branch? there is an option of bank branch search. Bank account balance enquiry app supports multiple languages for the convenience of users.

Money Transfer: Using USSD banking you can transfer money to any mobile or make UPI payment. It allows you to send money and receive money. Alternatively, you can use net banking to transfer money using IMPS (Instant Money Transfer), NEFT

Missed Call Banking App: Bank balance inquiry and get mini statement from your bank just by giving a missed call. You can also call the customer care number of your bank right from the app for any assistance. This works for both saving bank account and current account.

Mobile Banking App: With the help of USSD banking you can send/receive money, check your bank account balance, check your profile details, check previous transactions and more. You can also use it to pay by phone (mobile payment)

ATM search and Bank Branch search: Never run out of cash! Using bank account balance checker app you can find bank ATM and bank branches close to your location. This is particularly helpful in finding ATM when you are travelling to a new place.

Internet Banking You can access net banking of all your bank account with the help of Bank Balance Check app (Free). You will be able to check balance, view bank statement and aceess other banking services provided by your bank.

Customer Care Number Contact the customer care of your bank easily for any banking related enquiries. These can include bank account limit check, questions related to banking services. We try providing toll free number to help you save money.

EMI Calculator In addition to money check, the app offers a simple EMI calculator. Using this calculator you can plan your loans and EMIs. If helps you understand how many EMIs will be required to repay a loan.

FD Calculator The FD calculator helps you plan your saving by giving you estimated return on your fixed deposits and recurring deposits.

What banks are supported for bank account balance enquiry?
Bank Balance Check app supports major public and private sector banks in India like Allahabad, Andhra, Bank of India (BOI), Baroda (BOB) and many more.

What is UPI?
UPI stands for Unified Payments Interface. It is developed by NCPI as a mode of instant money transfer. BHIM UPI is a revolutionary app to transfer money from mobile via UPI money transfer. This has enabled millions of people go cashless. With the help of 

What bank services are available through net banking?
Most banks allow users to check account balance and generate bank account statement through net banking. You can request for new cheque book. You can file income tax online and pay other tax challans. Applying to personal loans becomes easy with this Bank Balance Check app. All you need to do is to login in the net banking and apply for car loan or any other.

You can transfer money to other accounts using NEFT, IMPS. In addition to account balance check banks also offer investment opportunities like fixed deposit and mutual funds. Banking services offered on net banking may vary from bank to bank.

Bank balance checker app allows you to access your bank's net banking.

Can I check bank holiday with Bank Account Balance app?
Yes, you can check bank holidays for all Indian state till 2020. This includes national holidays, festivals & more.