Techtimize
TECHTIMIZE

AI-Native Engineering

Initializing AI stack…

Custom Software Engineering

API Design & Development

RESTful and GraphQL APIs designed contract-first in OpenAPI 3.0 — with JWT authentication, rate limiting, input validation, comprehensive error handling, and Swagger documentation auto-generated from code.

Overview

What is API Design & Development?

RESTful and GraphQL APIs designed contract-first in OpenAPI 3.0 — with JWT authentication, rate limiting, input validation, comprehensive error handling, and Swagger documentation auto-generated from code. Our team brings production-grade expertise to every engagement, ensuring your api design & development implementation delivers measurable business outcomes from day one. We architect, build, and maintain solutions that scale with your organisation and satisfy GCC regulatory requirements.

What's included

Contract-first OpenAPI 3.0 design with Swagger UI auto-generated documentation
JWT authentication with refresh token rotation and HTTP-only cookie security
Joi/Zod input validation and express-validator middleware layers
Rate limiting, CORS configuration, and OWASP Top 10 security hardening
Structured error responses and centralised error handling middleware
12-factor app principles for stateless, horizontally scalable services
Key Benefits

Why It Matters

The measurable outcomes our clients achieve with API Design & Development.

Security-First by Default

Every endpoint follows OWASP Top 10 guidelines — JWT auth, input validation, and injection prevention baked in.

Self-Documenting APIs

OpenAPI 3.0 specs and auto-generated Swagger UI keep your frontend and integration teams always unblocked.

Horizontally Scalable

Stateless services with externalised config and Docker containers run on ECS or Kubernetes without modification.

Sub-100ms Response Times

Non-blocking async architecture handles thousands of concurrent requests with sub-100ms p99 latency.

Delivery Lifecycle

How We Deliver

A structured, transparent process from kick-off to launch and beyond.

1
Discovery1 week

Requirements & API Contract Design

Define all endpoints, request/response schemas, and error codes in an OpenAPI spec — signed off by all consumers before development begins.

2
Planning3–5 days

Architecture & Versioning Strategy

Design API versioning strategy, authentication model, rate limiting policy, and error handling standards across all endpoints.

3
Architecture1 week

Project Scaffolding & Middleware Stack

Set up Express app with layered route → controller → service architecture, middleware stack, validation, and error handling.

4
Build4–8 weeks

Feature Development & Testing

Implement controllers and services in two-week sprints with automated tests and staging deployment each sprint.

5
QA & Security1 week

Security Hardening & Penetration Testing

OWASP audit, penetration testing for injection and auth bypass, secrets management review, and rate limiting validation.

6
Launch & ScaleOngoing

Load Testing & Production Deployment

k6 load tests to 10× expected peak traffic, bottleneck remediation, production deployment with Swagger docs and monitoring dashboards.

Use Cases

Industries & Scenarios

Where API Design & Development delivers the most impact.

SaaS backend APIs serving web and mobile clients
Mobile app backends with offline sync
Third-party integration middleware and adapters
Microservice API implementations
Real-time data APIs with WebSocket support
E-commerce order, inventory, and payment APIs
Authentication and authorisation service APIs
Tech Stack

Tools & Technologies

The proven technology stack we use to deliver API Design & Development.

Node.jsExpressOpenAPI 3.0Swagger UIJWTJoiJestk6DockerAWS ECS
FAQs

Frequently Asked Questions

Everything you need to know about API Design & Development.

Ready to Start?

Ready to get started with API Design & Development?

Talk to our team and get a tailored proposal in 48 hours.