API Integration
API Integration for Websites and Custom Web Applications
APIs connect your product to payments, CRMs, tools and your own backend. I integrate third-party and custom APIs into WordPress, Shopify-adjacent workflows and full-stack React/Next.js apps.
API Integration Services
Node.js and third-party API integrations that connect your frontend, admin tools and external systems with clear error handling and staging review.
- Third-party REST API integrations
- Custom Node.js API development
- Front-end consumption in React/Next.js
- Auth-aware protected endpoints
- Error handling and practical logging
Technologies
- REST APIs
- Node.js
- Next.js
- React
- WordPress
- JSON
Problems I solve
- • Manual data entry between tools
- • Frontends calling unreliable endpoints
- • Missing authentication or validation
- • No clear ownership of API errors
Development process
Step 1
Contract & auth
Confirm endpoints, keys ownership and data shapes.
Step 2
Integrate
Wire UI and backend with validation and failure states.
Step 3
Harden
Test edge cases and document how to rotate credentials safely.
Related work
Selected projects that demonstrate relevant capabilities. Full case notes are available where published.

UtilityTools
Production SaaS-style platform with 1,400+ free online tools for PDF, AI, image, SEO, text and developer workflows.

Aivoxa Labs
Business website for an AI and software development studio — services, case studies, technical SEO content and lead capture.

YogiSpeaks
Education and content platform with centrally managed teachers, free notes, paid notes and public website content.
Why work with me
You work directly with Pardeep Kaushik—a Full Stack, WordPress and Shopify developer based in India and available for remote projects worldwide. Communication stays clear, delivery stays owned end to end, and handoff includes the practical details your team needs to keep moving. After delivery, you own the project files and source code handed over unless otherwise agreed.
Frequently asked questions
Can you integrate third-party APIs?
Yes. Third-party API integration is a standard part of full-stack and custom web work.
Can you connect a front-end to a custom backend?
Yes. React/Next.js frontends connected to Node.js APIs and databases are within scope.
Related services
Start Your Project
Share your requirement for a free project estimate. Staging review and clear handoff are part of how engagements are delivered.