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Payment Gateway Integration – illustration of api integration & system architecture software
API Integration & System Architecture

Payment Gateway Integration Services for Growing Businesses

Enterprise-grade payment gateway integration by a dedicated engineering team — on time, on budget and built to scale.

  • Free consultation
  • Customized to your process
  • Local support team

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Overview

What is Payment Gateway Integration?

Looking for dependable payment gateway integration? UdyamS is a full-stack technology partner for businesses whose software systems need to talk to each other reliably, delivering production-ready work with clear timelines and transparent communication.

Typical challenges we solve include double data entry between systems, failed payments and reconciliation gaps and fragile point-to-point connections. With UdyamS you get senior-level guidance, agile delivery and quality checks at every stage.

We also connect your project with the rest of your stack — ERP, CRM, payment gateways, WhatsApp and analytics — so payment gateway integration becomes part of one connected system. Talk to our experts for a free consultation.

Explore Features
Payment Gateway Integration dashboard and reports by UdyamS
Secure & ScalableCloud or on-premise
Key Capabilities

Key Capabilities & Deliverables

Everything you need from Payment Gateway Integration — engineered for performance, security and ease of use.

Messaging APIs

WhatsApp Business, SMS and email APIs for alerts, OTPs and campaigns.

Tally & GST Integration

Push vouchers to Tally and generate GST e-invoices and e-way bills automatically.

Webhook Processing

Reliable event handling with retries, logging and idempotency.

Authentication & Security

OAuth 2.0, JWT, API keys, rate limiting and IP whitelisting.

Microservices Design

Break monoliths into services that scale and deploy independently.

Monitoring & Logs

API health checks, latency tracking and error dashboards.

Service Scope

What We Cover

Custom API DevelopmentPayment Gateway IntegrationERP & CRM BridgesMessaging APIsTally & GST IntegrationWebhook ProcessingAuthentication & SecurityMicroservices DesignMonitoring & LogsIntegration Testing
Business Benefits

Why Businesses Choose It

  • Faster, error-free operations with payment gateway integration workflows automated end-to-end
  • Real-time dashboards and reports for confident decisions
  • Secure, role-based access with complete audit trails
  • Mobile-friendly experience for office and field teams
  • Scales with your business — add users, branches and modules anytime
  • Local support team with quick response over phone and WhatsApp
How We Work

Our Delivery Process

01

Discovery & Scoping

Workshops to understand goals, users and success metrics; we deliver a clear scope and estimate.

02

UX & Architecture

Wireframes, UI design and a technical blueprint reviewed with you before development starts.

03

Agile Development

Two-week sprints with demos so you see real progress and can change priorities early.

04

QA & Security Testing

Functional, performance and security testing on real devices and browsers.

05

Launch & Support

Deployment, monitoring, training and ongoing enhancements under a support plan.

Technology & Integrations: RESTGraphQLWebhooksOAuth 2.0JWTRazorpayStripeWhatsApp Cloud APITally XMLPostman
FAQ

Frequently Asked Questions

Yes. Under our standard engagement, source code and project documentation are handed over on completion and final payment.

Yes, we are happy to sign a Non-Disclosure Agreement before you share confidential business details.

Yes. We offer maintenance and support plans covering bug fixes, security updates, server monitoring and new feature development.

We typically work with REST, GraphQL, Webhooks, OAuth 2.0, JWT, Razorpay, choosing the stack that best fits your requirement and budget.

Yes. We work with clients across India and internationally, with communication over phone, WhatsApp, email and video calls.

Looking for Payment Gateway Integration?

Connect directly with our technology team to discuss your requirements, architecture or a free demonstration.

Ready to digitize your business?

Talk to an UdyamS expert today for a free consultation or live ERP demo.