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API Integration

Connect your software, automate your work

We connect your website, app and software with payment gateways, WhatsApp, SMS, email and other systems, so data flows automatically.

  • Payment gateways
  • WhatsApp & SMS
  • Third-party systems
API Integration services by Indiavanta Technologies, Agra
Seamless data flowFewer manual errors
Why API integration matters

Let your systems talk to each other

Just like a business needs good communication to grow, your software needs to communicate too. APIs connect your apps and services so information moves automatically, without copying data by hand.

Whatever your industry, we plan and build integrations that keep your applications fast, reliable and secure.

  • Automatic data hand-off
  • Fewer manual errors
  • Faster, connected systems
  • Grow without starting over
What we offer

Integration services

We integrate the services your business depends on.

Payment Gateway Integration

Razorpay, PayU, Paytm, Stripe and other secure online payment options.

WhatsApp Business API

Automatic order updates, reminders, OTPs and chatbots on WhatsApp.

SMS & Email APIs

Transactional SMS, OTP and email notifications from your software.

GST, Invoicing & Accounting

Connect billing with GST, e-invoicing and accounting tools.

Shipping & Logistics APIs

Courier booking, tracking and delivery status updates.

Third-party & Custom APIs

REST API development and integration with any external system.

Why Indiavanta

Integrations you can rely on

Secure, well-tested integrations that keep your business running.

Start Your Project
Tools & technologies

The right stack for your project

How we work

From idea to launch & beyond

A simple, transparent process for every website, app and software we build.

  1. STEP 01

    Discover

    We understand your business, your users and your goals before writing a single line of code.

  2. STEP 02

    Design

    Clean, easy screens and a clear plan, shared with you for feedback at every stage.

  3. STEP 03

    Develop

    Our developers build, test and integrate everything so it works smoothly on web and mobile.

  4. STEP 04

    Launch & Support

    We go live, train your team and stay with you for updates, maintenance and support.

FAQ

Questions we often hear

Which payment gateways can you integrate?

We work with popular gateways such as Razorpay, PayU, Paytm, CCAvenue and Stripe, and can integrate others as needed.

Can you send WhatsApp messages from my software?

Yes. We integrate the WhatsApp Business API for order updates, reminders, OTPs and chatbots.

Can you connect my existing software with a new system?

Yes. We study both systems and build a secure integration so data moves automatically between them.

Is the integration secure?

Yes. We follow security best practices such as encrypted connections, secure keys and proper validation.

More services

Explore our other services