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API Development & Integration

Connect your systems with secure, reliable APIs.

We build custom APIs and integrate third-party platforms so your websites, apps, software, payments, messages and business tools can work together without repeated manual effort.

API Custom endpoints
Sync Connected data
Secure Protected access
Integration Delivery System From separate tools to connected flow
Ready
01
Map Systems, data and permissions
02
Connect APIs, webhooks and services
03
Stabilize Logs, retries and support
REST APIs Payments Webhooks Automation
System Links Data moves cleanly
Secure Access Token-based protection
API integration dashboard showing connected business systems
Connected Digital Systems Make your platforms exchange data reliably.
API Integration Payments, CRM, courier and more
REST
Structured endpoints Clean data exchange
API Integration Solutions

Give your tools a dependable way to talk to each other.

APIs are the hidden infrastructure behind smooth digital operations. We design secure endpoints, connect third-party services and build integration flows that reduce duplicate entry, missed updates and disconnected reporting.

Integration engineering for practical business workflows Clear data mapping, secure authentication, webhook handling, error logging and maintainable API structures.
Connect websites, apps, software and external tools
Secure authentication and protected API access
Automate updates through webhooks and scheduled syncs
Better reporting from connected business data
What We Build

APIs and integrations for daily business operations

We connect the tools your business already depends on and build custom API layers where needed.

Custom API Development

REST APIs for websites, mobile apps, dashboards, admin panels and business software.

Third-Party Integrations

Connect CRM, ERP, accounting, logistics, messaging, marketplace and SaaS platforms.

Payment Gateway APIs

Payment collection, order status updates, transaction records and callback handling.

WhatsApp & Messaging APIs

Send alerts, OTPs, order updates, reminders and customer communication from your system.

Courier & Logistics APIs

Shipping rates, order dispatch, tracking updates and delivery status synchronization.

Webhook Automation

Real-time event flows for orders, leads, payments, forms, notifications and status changes.

Included Essentials

Foundations for stable API delivery

We plan integrations so they stay secure, trackable and easier to maintain as your business grows.

API architecture planning
Authentication and tokens
Request validation
Webhook handling
Error logs and retries
Data mapping
Documentation support
Ongoing maintenance
Our API Process

From integration requirement to stable data flow

We build API work carefully so your systems remain dependable after launch.

01

System Mapping

Understand platforms, fields, permissions, limits and required data movement.

02

API Planning

Define endpoints, authentication, payloads, error handling and workflow rules.

03

Build & Connect

Develop APIs, connect external services and validate the expected data flow.

04

Monitor & Support

Review logs, handle edge cases and improve integrations as requirements change.

API Consultation

Need two or more systems to work together?

Share your integration requirement with Harikrishna Technologies. We will help plan secure APIs, reliable data exchange and maintainable connections for your business workflow.

Discuss Your Integration

Connect with our team for API planning and technical guidance.