Service

API Development

Robust APIs and seamless third-party integrations that power your ecosystem.

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170+

Projects delivered

25+

Countries served

20+

Engineers on staff

98%

Client retention

Overview

Why teams choose us for Development

Trusted by startups and enterprises across 12+ countries

Your API is the contract between teams, partners, and future you. We design versioned REST and GraphQL APIs with clear auth, rate limits, and OpenAPI docs so internal and external developers integrate in days, not weeks.

Payment gateways, CRMs, ERPs, marketing tools, and custom webhooks - we've wired hundreds of integrations and know where retries, idempotency, and event ordering matter.

For high-traffic products we add API gateways, caching, observability, and contract tests in CI so breaking changes never reach production silently.

Why Vextrosys

A partner built for serious products

Security-first engineering

Every build follows secure SDLC practices - encryption, access control, audit logs, and compliance-ready architecture from day one.

Dedicated product squad

You work with a stable team of developers, designers, and a project lead - not rotating freelancers. Weekly demos keep you in control.

Fast, predictable delivery

Two-week sprints, transparent timelines, and proactive risk flags so launches stay on schedule without surprise scope creep.

Post-launch partnership

We stay after go-live with monitoring, bug fixes, and feature iterations - most clients work with us for years, not months.

How we work

From idea to production

A proven five-phase process with clear deliverables at every stage - no black boxes.

Discovery & strategy

We map business goals, users, and technical constraints. Output: scope document, wireframes, and a fixed timeline with milestones.

Design & prototyping

UI/UX in Figma with interactive prototypes. You approve every screen before a single line of production code is written.

Agile development

Bi-weekly sprints with staging demos. Code reviews, automated tests, and CI/CD pipelines keep quality high and releases frequent.

QA & hardening

Manual + automated testing across devices and edge cases. Performance profiling, security checks, and UAT with your team.

Launch & scale

Production deployment, monitoring setup, documentation, and handover. Optional retainer for ongoing features and support.

Case studies

Real results for real clients

Selected projects that show how we solve complex problems and deliver measurable business impact.

Leadership & performanceReactNode.jsPostgreSQLStripe

TripleGoal

TripleGoal - SaaS

Goal-tracking and leadership development platform used by 500+ enterprise teams for OKRs, check-ins, and executive dashboards.

Challenge

The founding team had a validated prototype but needed enterprise-grade permissions, real-time analytics, and SOC2-aligned infrastructure before selling to Fortune 500 HR departments.

Solution

We delivered a multi-tenant SaaS architecture with SSO, granular roles, WebSocket-powered live dashboards, and Stripe billing - all instrumented for product analytics from day one.

3×

Goal completion rate

500+

Enterprise teams

<200ms

API response

Zero

Critical incidents

Fleet & transportationReact NativeNode.jsMapboxAWS IoT

Hubfleet

Hubfleet - Logistics

End-to-end fleet management with GPS tracking, predictive maintenance, and automated dispatch for 1,000+ vehicles.

Challenge

Operations teams were losing visibility across regions - fuel waste, missed maintenance, and manual dispatch calls were costing millions annually.

Solution

Real-time tracking map, driver mobile apps, ML-based maintenance alerts, and route optimization reduced operational cost while giving executives a single source of truth.

30%

Fuel savings

1K+

Vehicles tracked

$2M+

Annual savings

24/7

Live monitoring

See all case studies

What we deliver

RESTful & GraphQL API design
OpenAPI / Swagger documentation
Third-party integrations
Webhook & event pipelines
API gateway & rate limiting
OAuth, JWT & API security

Technologies we use

Node.jsFastAPIGraphQLSwaggerKongRedis

“Vextrosys delivered on time, communicated clearly every sprint, and built something our team can actually maintain.”

Sarah Mitchell

VP Product, TripleGoal

FAQ

Common questions

MVPs usually ship in 8-14 weeks. Enterprise platforms range from 4-9 months depending on integrations and compliance needs. We give a fixed estimate after discovery.

Ready to build with Vextrosys?

Tell us about your project - we respond within 24 hours with a clear plan and timeline.

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