Nexdew Technologies — Global Solution Provider
Services/Custom Software Engineering/API Development & Integration
Secure & High-Speed Connectivity

API Development & Integration

Build robust, secure, and high-speed RESTful and GraphQL APIs to enable seamless communication between complex applications and third-party systems.
Secure & High-Speed Connectivity
Book a 30min CallFind a Developer
99.99%
Uptime Reliability
60%
Latency Reduction
250+
Custom & 3rd-Party Integrations
API Development & Integration
Service overview

API Development & Integration

  • High-Throughput & Low-Latency Performance
  • Zero-Trust API Security & Access Governance
  • Seamless Legacy & Third-Party Integration
Secure & High-Speed Connectivity
Book a 30min Call
Business benefits

Why leaders choose Nexdew for API Development & Integration

Build robust, secure, and high-speed RESTful and GraphQL APIs to enable seamless communication between complex applications and third-party systems.
High-Throughput & Low-Latency Performance
Benefit 01

High-Throughput & Low-Latency Performance

Engineered with lightweight protocols, asynchronous event processing, and distributed caching to ensure sub-second response times under peak request loads.

  • RESTful & GraphQL Support
  • Distributed Redis Caching
  • Sub-Second Response Times
Zero-Trust API Security & Access Governance
Benefit 02

Zero-Trust API Security & Access Governance

Safeguard endpoints against vulnerabilities with OAuth 2.0/JWT authentication, rate limiting, request validation, and OWASP-compliant security measures.

  • OAuth 2.0 & JWT Authentication
  • Granular Rate Limiting & Throttling
  • OWASP API Security Standards
Seamless Legacy & Third-Party Integration
Benefit 03

Seamless Legacy & Third-Party Integration

Bridge modern microservices with legacy ERPs, payment gateways, CRMs, and third-party SaaS tools for real-time automated data synchronization.

  • ERP & CRM Middleware Connectors
  • Payment Gateway Integrations
  • Bi-Directional Webhooks Sync
Benefits

Outcomes that move the business

Every engagement is scoped around measurable delivery value.

High-Throughput & Low-Latency Performance

Build robust, secure, and high-speed RESTful and GraphQL APIs to enable seamless communication between complex applications and third-party systems.
01 · Delivery outcome

Zero-Trust API Security & Access Governance

Build robust, secure, and high-speed RESTful and GraphQL APIs to enable seamless communication between complex applications and third-party systems.
02 · Delivery outcome

Seamless Legacy & Third-Party Integration

Build robust, secure, and high-speed RESTful and GraphQL APIs to enable seamless communication between complex applications and third-party systems.
03 · Delivery outcome
Success metrics

Numbers behind our API Development & Integration delivery

Aggregated across engagements — measurable outcomes across delivery, quality, and satisfaction.

99.99%
Uptime Reliability
60%
Latency Reduction
250+
Custom & 3rd-Party Integrations
What you get

Delivery outputs aligned to business goals

Structured milestones with transparent artifacts, quality gates, and measurable value at every phase.
  • High-Throughput & Low-Latency Performance
  • Zero-Trust API Security & Access Governance
  • Seamless Legacy & Third-Party Integration
01

Custom RESTful & GraphQL API Development

End-to-end design and implementation of highly scalable, secure, and performant REST and GraphQL APIs tailored to your business logic.
02

Third-Party System & Cloud Integration

Seamless integration with payment gateways, CRMs, ERPs, cloud services, and legacy enterprise software for unified data flow.
Why NexDew

Built for enterprise delivery

Senior-only engineering, transparent process, and a delivery cadence teams can rely on.

High-Throughput API Architecture Specialists

We engineer ultra-low latency RESTful and GraphQL APIs optimized with distributed caching and event-driven architecture to easily handle millions of daily requests.

Zero-Trust Security & Token Governance

Every endpoint is fortified with enterprise-grade OAuth 2.0/JWT authentication, intelligent rate limiting, payload validation, and OWASP API security compliance.

Seamless Legacy & Cloud Connectivity

Proven expertise in bridging modern cloud applications with legacy databases, custom ERPs, CRMs, and complex payment gateways without data loss.
Development process

Structured enterprise execution

Connected phases from discovery to deployment with clear quality gates.
Step 01

Requirement Analysis & API Architecture

We analyze your business requirements, data structures, integration endpoints, and define API specifications (REST/GraphQL) along with security standards.
Step 02

API Design & Prototyping

We design OpenAPI/Swagger schemas, data models, endpoints, and build mock servers to validate request-response payloads before coding begins.
Step 03

Development & System Integration

Core API implementation with clean architecture, robust business logic, database connectivity, third-party connectors, and OAuth2/JWT authentication.
Step 04

Rigorous Testing & Security Audits

Comprehensive automated unit tests, contract tests, load/stress testing, and vulnerability scans to ensure peak performance and zero data leakage.
Step 05

Deployment, Documentation & Monitoring

Smooth deployment to production/cloud gateways, publishing interactive API docs/SDKs, and configuring real-time telemetry, rate limiting, and alerts.
Industries

Industries we serve

Cross-domain expertise tailored to sector-specific constraints and compliance.

Custom Software Engineering

Aligned to sector priorities.

Case studies

Delivery outcomes in real engagements

Problem, solution, and result snapshots linked to detailed studies.
US FinTech Platform – Dynamic Payment Link & No-Code Integration Solution
Fintech & Payment Processing

US FinTech Platform – Dynamic Payment Link & No-Code Integration Solution

A scalable payment integration platform built for US merchants, providing secure dynamic payment links and no-code payment checkout workflows.
Challenge

Ensuring dynamic payment links load instantaneously for US customers with zero checkout lag.

Result

Significantly lowered transaction fees and operational overhead for US merchants.

View case study
Enterprise Risk Broker (ERB) - Real-Time Risk Verification Platform
Risk Assessment & Fintech

Enterprise Risk Broker (ERB) - Real-Time Risk Verification Platform

Automated real-time risk assessment and verification platform for onboarding businesses and individuals.
Challenge

Modernizing legacy monolithic codebases (Struts/JSP) to cloud-native microservice standards without service disruption.

Result

mproved onboarding decision-making speed through automated risk evaluation.

View case study
Nexon Software - Enterprise E-Commerce & BNPL Platform Development
E-Commerce & Fintech

Nexon Software - Enterprise E-Commerce & BNPL Platform Development

Building high-performance back-office management applications and Buy Now Pay Later (BNPL) credit integration for UK's large-scale e-commerce platform TVG.
Challenge

Implementing secure, real-time Buy Now Pay Later credit checkout options adhering to strict UK financial standards.

Result

Boosted checkout conversions by offering flexible BNPL payment options to end customers.

View case study
FAQ

API Development & Integration questions, answered

Practical answers about scope, delivery model, engagement types, and technology fit.

Ask a question
SOC2-aligned delivery
Security, IP, and NDA-first engagements.
Predictable velocity
Weekly demos and transparent burn.
Idea to production
From discovery to launch under one roof.

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Let's talk

Ready to start a API Development & Integration engagement?

Book a 30-minute call with our team. We'll understand your goals and recommend the right engagement.