// service

API Development

We design and build REST and GraphQL APIs that are secure, well-documented and ready to handle real traffic. Our backend engineers have built production APIs powering fintech apps, marketplaces, healthcare platforms and SaaS products — with proper authentication, rate limiting, caching and monitoring built in from day one. We also handle complex third-party integrations: payment processors, CRMs, messaging platforms, AI APIs, and more.

50+Products shipped
5.0★Upwork rated
10+Countries served
6 wksTypical MVP timeline
NDAEvery engagement

// sound familiar?

Is This the Right Fit?

✕Third-party integrations break every time a vendor pushes an update
✕No API documentation means every new hire wastes days getting up to speed
✕Your backend can't handle the traffic spikes your growth demands

// who it's for

Built For These Situations

01Startups building a backend to power their mobile or web app
02Companies with existing integrations that keep breaking under load
03Teams who need a clean, documented API for a partner or third-party to consume
04Businesses migrating from a monolith to a microservices or API-first architecture

// what's included

What You Get

REST or GraphQL API design with clean resource architecture
Authentication & authorization (JWT, OAuth 2.0, API keys)
Third-party integration with webhooks, retries and error handling
Rate limiting, caching (Redis) and query optimization
OpenAPI / Swagger auto-generated documentation
Automated test suite (unit + integration tests)
Monitoring & alerting setup (uptime, latency, error rate)
Staging and production environments with CI/CD

// outcomes

What Success Looks Like

→API response times under 200ms for standard endpoints
→Zero-downtime deploys with rollback capability
→Full OpenAPI documentation — onboard new developers in hours, not days
→99.9% uptime SLA architecture with automatic failover
→100% test coverage on critical paths before handover

// why codexcelerate

Why Clients Choose Us

Security-first backend engineering

We follow OWASP API Security Top 10 on every project — input validation, parameterized queries, rate limiting, secure token storage, and least-privilege access control. Security isn't an audit item; it's how we write backend code.

Integrations that don't break

We build third-party integrations with idempotency, retry logic, webhook signature verification and dead-letter queues. When a vendor's API goes down or changes, your system degrades gracefully rather than crashing.

Documentation you actually use

We generate OpenAPI/Swagger docs from code so they never drift out of sync. New engineers, mobile clients and partner integrations can understand your API without reverse-engineering request logs.

Designed for your future, not just today

We version APIs from day one, use database migrations not manual SQL, and structure code so your next engineer can extend it without being afraid to touch it. Clean code isn't a luxury — it's cheaper long-term.

// comparison

Us vs. a Typical Agency

What we compareCodeXcelerateTypical agency
DocumentationOpenAPI/Swagger auto-generatedOften a Notion doc that drifts
Error handlingRetry logic, dead-letter queuesTry/catch and hope
SecurityOWASP Top 10 addressed by defaultSecurity done at audit time
Test coverageUnit + integration testsOften manual-only

// tech we use

Our Toolkit

Node.jsPythonGraphQLPostgreSQLRedisDockerAWSSwagger

// process

How We Deliver

01

Discovery

We map your goals, users and constraints into a clear product brief and fixed scope.

02

Design

We design the experience and architecture before a line of code ships.

03

Build

We build in agile sprints with weekly demos and full transparency into progress.

04

Launch

We ship to production with testing, monitoring and a smooth rollout plan.

05

Support

We stay on as your team — iterating, optimizing and scaling with you.

// client reviews

What Clients Say

★★★★★

"CodeXcelerate took TradeBeep from just an idea to a launched product — the app, the admin panel, the landing page, and even our marketing. Having one team handle the build and the growth made everything seamless."

Oluwole Kayode

Founder, TradeBeep

★★★★★

"They built Snap To Let end to end, from concept to launch, and the quality was excellent. We trusted them so much that we're now building a second product with them."

Geetha Nath

Founder, Snap To Let

// faq

Frequently Asked Questions

Both. We recommend REST for simple, cacheable resources and public APIs where predictability matters. We recommend GraphQL for complex UIs that need to fetch precise, nested data from multiple resources. We'll help you choose the right approach for your specific product during discovery.

Let's build it together

Tell us what you're building and get a free, no-obligation quote — we reply within 4 hours.

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