Secure data flow between systems

API Development & Integration

HHT Infotech develops APIs and integrations that let systems talk reliably, with clear error handling, authentication, webhook support, and documentation.

Who It Is For

  • Products needing payment, auth, or messaging integrations
  • Businesses connecting internal tools
  • Agencies needing backend integration support
  • Teams replacing fragile manual data transfer

Problems Solved

  • Disconnected systems
  • Unreliable payment or webhook handling
  • No API documentation
  • Manual data export/import work

Process

From discovery to launch and support.

The process is designed to make expectations visible, reduce rework, and keep stakeholders aligned.

1

Discovery and requirement mapping

2

Solution architecture and delivery plan

3

UX/UI design or interface planning

4

Agile development with milestone reviews

5

QA, performance, security, and accessibility checks

6

Launch, documentation, and post-launch support

Technologies and outcomes

Practical stack choices, measurable business value.

Use this section to connect engineering decisions to business impact instead of listing tools without context.

Technologies Used

Node.jsExpress.jsREST APIsRazorpayStripeWhatsApp Business APIPostgreSQL

Business Value

  • Reliable system-to-system communication
  • Clear API contracts
  • Payment and messaging workflows that can be monitored
  • Reduced manual data movement

Related work

Relevant api development & integration proof points.

Each case study links back to service pages, strengthening user flow and SEO context.

Client DeliveryE-commerce / Publishing

Online book retail business

Veer Sukhadiya Books

The store needed more secure authentication, a reliable checkout flow, Razorpay payment integration, and a backend replacement from Firebase to MongoDB.

Next.jsReactNode.jsExpress.js
Client DeliveryRetail / Jewellery

High-value retail product business

Balkrushna Jewellers

The website needed immediate customer support and a more responsive lead capture experience for high-intent jewellery visitors.

Next.jsWhatsApp Business APIAI chatbot integration

FAQ

API Development & Integration questions clients usually ask.

Service-specific FAQs support conversion and organic search without relying on vague marketing claims.

Can HHT Infotech work with our existing team?+

Yes. The delivery model can fit around your internal team, agency workflow, founder-led product team, or international stakeholder group.

Do you provide support after launch?+

Yes. Maintenance, monitoring, bug fixes, feature improvements, dependency upgrades, and performance optimization can be handled through a support retainer.

Can you sign an NDA?+

Yes. NDA-backed discovery and delivery can be used for sensitive business workflows, startup ideas, internal platforms, and partner projects.