Livezen Technologies
Web Development

API Development & Integration

Design, build and integrate REST/GraphQL APIs and third-party services.

Well-Documented Secure Scalable Reliable

Design, build and integrate REST/GraphQL APIs and third-party services. Our team delivers api development & integration with a focus on quality, performance and measurable results — from discovery through to launch and ongoing support.

Custom Quote

What we build

End-to-end, from frontend to deployment

Custom API Development

  • RESTful API Design
  • GraphQL Implementation
  • API Documentation
  • Rate Limiting & Caching
  • Authentication & Security

Third-Party Integration

  • Payment Gateways
  • CRM Synchronization
  • Marketing Automation
  • Shipping Carriers
  • Social Media APIs

Data Synchronization

  • Real-time Sync
  • Scheduled Jobs
  • Conflict Resolution
  • Error Handling
  • Audit Logging

API Security

  • OAuth 2.0 / JWT
  • API Key Management
  • Rate Limiting
  • Input Validation
  • Encryption

API Monitoring

  • Performance Metrics
  • Error Tracking
  • Usage Analytics
  • Uptime Monitoring
  • Alert Systems

API Documentation

  • Interactive Docs
  • Code Examples
  • Postman Collections
  • API Reference
  • Versioning Guides

What you get

Built to deliver results

Expert Team

Certified specialists with 20+ years of combined experience.

Fast Delivery

Agile workflow that ships quality on predictable timelines.

Transparent Pricing

Clear, fixed quotes with no hidden fees or surprises.

Modern Technology

A future-proof stack chosen for performance and scale.

Ongoing Support

24×7 assistance and maintenance after launch.

Results-Driven

Focused on measurable outcomes for your business.

How we work

Our process. No surprises.

01

Discovery Call

We learn about your goals, requirements and constraints.

02

Proposal & Scope

A clear, fixed proposal with timeline, deliverables and price.

03

Design & Prototyping

We map the solution and align on look, feel and flow.

04

Development

We build in agile sprints with regular check-ins and demos.

05

QA & Testing

Rigorous testing across devices, browsers and edge cases.

06

Launch & Support

We deploy, hand over, and stay on to support and improve.

Tools we've mastered

A modern, proven technology stack

We pick the right tools for the job — battle-tested technologies that keep your solution fast, secure and easy to maintain.

Protocols

REST GraphQL Webhooks SOAP WebSockets gRPC

Backend

Node.js Express PHP Laravel Python

Data

PostgreSQL MongoDB MySQL Redis

Cloud & Ops

AWS Azure Docker Kubernetes

API Development & Integration FAQs

REST exposes fixed endpoints and is simple and widely supported; GraphQL lets clients request exactly the data they need in one call. We recommend the right fit for your use case — and can build either.
Simple integrations take a few days; complex, multi-system work runs 2–6 weeks. We scope it clearly after understanding your systems.
If it has an API or webhook, we can integrate it — payment providers, CRMs, ERPs, shipping, messaging, social and more.
OAuth 2.0/JWT, API key management, rate limiting, input validation and encryption — plus audit logging and monitoring.
We build with versioning and error handling in mind, monitor for changes, and offer maintenance plans so integrations keep working.
Yes — interactive docs, code examples, Postman collections and a clear reference so your team and partners integrate fast.

Ready to start your project?

Tell us what you need — we respond fast and get you a clear, tailored proposal.