Vyom (Union Bank of India) API Integration and Open Finance Solutions

Compliance-ready interfaces and protocol analysis delivery for Account Aggregator, UPI payments, reconciliation and IPO (ASBA) scenarios

Starting from $300
OpenData · OpenBanking · Account Aggregator · Protocol Analysis

Securely connect Vyom's digital banking capabilities to your system

We provide protocol analysis for Vyom (Union Bank), AA integration, unified account view, UPI payments and billing services with runnable APIs, focusing on security and compliance.

Account Aggregator integration — supports AA ecosystem authorization, data request/response flows, consent management, and data minimization pull strategies, exporting standardized balances and transactions streams.
UPI and Payments integration — supports quick payment entry, QR payments, automated reconciliation and retry strategies for failed payments, covering domestic payments and NPCI integration considerations.
Statements and reports — provides per-account / per-product transaction export interfaces (savings, fixed deposits, cards, loans), with JSON/CSV/Excel and PDF output formats.
ASBA / IPO applications — analyzes and implements automated IPO ASBA applications and pre-authorization workflows, supporting KYC and order management.

Our Deliverables

Standard Delivery Package

  • OpenAPI / Swagger documentation (ready to deploy to API gateway)
  • Protocol and authorization workflow analysis reports (including AA / OAuth / Token flows)
  • Runnable source code (Node.js / Python / Go options), with sample calls
  • Automated test scripts (Postman / Newman / pytest) and acceptance cases
  • Security assessment and compliance recommendations (RBI / NPCI / data minimization)

API Example (pseudo-code)

# Query aggregated account transactions (pseudo-code)
POST /api/v1/vyom/accounts/aggregate/statement
Content-Type: application/json
Authorization: Bearer <CLIENT_JWT>

{
  'consent_id': 'CONSENT-20251101-01',
  'account_list': ['SB-12345','CC-67890'],
  'from': '2025-10-01',
  'to': '2025-10-31',
  'format': 'excel'  # json | csv | excel
}

Response: {
  'status': 'OK',
  'file_url': 'https://files.example.com/vyom/statements/..',
  'summary': { 'debits': 12450.00, 'credits': 9800.00 }
}

Use Case Scenarios

Corporate accounting synchronization, personal finance dashboards, payment settlement integrations, loan order reconciliation, IPO/ASBA automated enrollment and funds blocking, and AA data aggregation services.

Core Advantages

  • Familiar with Indian regulatory frameworks (RBI / NPCI / Account Aggregator) and global open banking standards
  • Compliance- and privacy-first implementation, supporting least-privilege authorization and auditable logs
  • Deliverables include production-ready API source code and test suites
  • Supports Android / iOS protocol tracing and authorization replay (often referred to as protocol reverse engineering)

Typical Modules

  • AA authorization and data extraction (Consent management)
  • UPI payment initiation and transaction reconciliation
  • Standardized outputs for account and card transactions
  • ASBA workflow automation and funds blocking/unblocking integration

API Integration Guide (Brief)

  1. Tell us your target scenario (e.g., Account Aggregation / UPI Payments / ASBA automation) and provide usable test credentials or authorization samples.
  2. We perform protocol analysis and authorization flow modeling (2-5 business days), delivering security recommendations and API drafts.
  3. Development and integration (3-10 business days), including retry logic, logging, and alerting strategies.
  4. Deliver OpenAPI documentation, example clients, test scripts, and acceptance reports.
  5. 14 days of free remote tuning and issue fixes after go-live.

About Us

We are a technical studio focused on application protocol analysis and third-party API integration. Our team comes from payments, banking, and mobile security, serving global fintech clients with end-to-end compliant delivery capabilities.

  • Coverage of Android/iOS protocol tracing, OpenData and OpenBanking implementations
  • Deliver runnable source code (Node/Python/Go), OpenAPI, and automated testing
  • Compliance-first: emphasis on least privilege, NDA, and sensitive data protection
  • Transparent pricing: starting at $300, milestone-based payments

Contact

To submit your target app name and detailed requirements, request a quote, or discuss a project, please visit our contact page:

Visit Contact Page / Submit Your Request

Collaboration Process (Overview)

  1. Submit requirements — we assess and quote (1-2 business days)
  2. Sign NDA (if required) and confirm authorization scope
  3. Protocol analysis → development → validation → delivery
  4. Go-live support and ongoing maintenance can be covered under monthly or project-based SLA
📱 Vyom (Union Bank of India) Official App Features Overview (Collapsible)

Vyom is the Union Bank of India's digital banking client, designed to provide a unified account view, quick payments, and rich banking services. Key features include:

  • Redesigned homepage with personalized quick tasks
  • Unified customer profile and account overview, quick access to relationship managers and account details
  • AA support for account aggregation across multiple banks/products
  • Centralized management of multiple payment methods: UPI, bill payments, autopay, and reminders
  • Resumable user journeys and accessible experiences
  • ASBA IPO application entry and related workflows
  • Help and support module: create service tickets, download forms, merge statements and how-to videos
  • Security guidelines and important links consolidated

The above content is excerpted from the app overview to illustrate integration scenarios. In our implementations, we operate with compliance and user consent as prerequisites, ensuring data usage is auditable, minimized, and user-approved.