Skip to main content
KASH Emblem
KASH TECHNOLOGYTAILORED | AFFORDABLE | SCALABLE
API & BACKEND ENGINEERING

Custom API Engineering & Seamless Systems Integration

We design, build, and document secure REST and GraphQL APIs that connect your software systems, synchronize legacy databases, and integrate third-party payment, logistics, and communication services.

KASH Technology Official Emblem
SYSTEM CAPABILITIES

Engineered for Production Resilience

High-Throughput REST & GraphQL APIs

Type-safe backend services engineered with TypeScript, Node.js, and Python designed for low latency under high concurrency.

CORE SPECIFICATION

Third-Party Payment & Banking Connectors

Direct API integration with Razorpay, Cashfree, Stripe, PayU, and banking webhooks with idempotency and retry queues.

CORE SPECIFICATION

WhatsApp, SMS & Email Messaging Gateways

High-volume transactional notification pipelines using Twilio, Meta WhatsApp Cloud API, and Resend.

CORE SPECIFICATION

Legacy ERP & Accounting Connectors

Bridge the gap between modern cloud apps and legacy on-premise accounting software through custom API sync daemons.

CORE SPECIFICATION

API Authentication & Rate Limiting

OAuth2, JWT authentication, API key generation, Redis token-bucket rate limiting, and DDoS protection.

CORE SPECIFICATION

Interactive OpenAPI / Swagger Documentation

Comprehensive, interactive API documentation enabling external developers and internal teams to integrate in hours.

CORE SPECIFICATION
TECHNOLOGY WE WORK WITH
⚛React
▲Next.js
🅰Angular
⬡Node.js
🐍Python
❖Laravel
🐘PHP
☁AWS
🐳Docker
🍃MongoDB
🐬MySQL
◈Flutter
DELIVERY LIFECYCLE

From Architecture Blueprint to Production

Transparent weekly sprint demos, staging environments, and direct developer communication.

01

Discover

Understand your needs.

02

Design

Plan the solution.

03

Build

Develop and test.

04

Launch

Deploy and support.

WHY CHOOSE US

Built Around Your Business

Tailored

Built for your exact needs.

Affordable

Practical solutions. Clear pricing.

Scalable

Ready to grow with you.

TECHNICAL QUESTIONS

Frequently Asked Questions

Let's Build Your Production Software

Schedule a direct technical consultation with our engineering team today.