Secure RESTful & GraphQL API Design

API Development

RESTful and GraphQL API design and development.

Service Specifications

ESTIMATED DELIVERY 3-6 Weeks
PRICING STARTS FROM ₹20,000
TECHNOLOGY STACK
PHP Node.js GraphQL Express JWT Postman
SERVICE STATUS Active Team Available

Engineered for Business Growth

RESTful and GraphQL API design and development.

100% IP & Source Code Rights
Sub-Second Speed SLA
24/7 SLA Priority Support
Zero Vendor Lock-In
Integrate your systems seamlessly with clean, fast, and secure API architectures. We design, code, and document RESTful and GraphQL endpoints using strict token authorization (JWT), rate-limiting, and microservices logic.
01

Modern Backend Architecture

Robust object-oriented PHP and Node.js execution layers for lightning-fast server responses.

02

Custom CMS Administration

Intuitive administrative dashboard allowing non-technical staff to manage pages and posts easily.

03

High-Performance Databases

Optimized SQL/NoSQL schema normalization and indexing for rapid data retrieval.

04

Third-Party API Integrations

Seamless syncs with ERPs, CRMs, payment gateways, and custom external REST endpoints.

Included vs. Not Included

Clear boundaries of what is included in the baseline package price compared to out-of-scope items.

What's Included

  • REST & GraphQL Design High-throughput, scalable endpoint routing structures built for speed.
  • Secure Token Controls (JWT) JSON Web Token authentications, secure cookie keys, and API role filters.
  • Advanced API Gateways Rate-limiting rules, request caching, and DDOS mitigation filters.
  • Automated Postman Schema Self-generating API documentations, sample request scripts, and JSON validation schema.
  • Third-Party Sync Pipelines Secure custom integrations with SMS APIs, payment gates, and tracking APIs.
  • Performance Profiling Optimized payload parsing, compression, and sub-100ms request times.

What's NOT Included

  • Third-Party API Usage Fees Ongoing monthly subscription fees for external platform integrations (e.g. maps, payment gateway APIs).
  • Cloud Infrastructure Bills Actual monthly hosting, bandwidth, and database invoices from AWS/Google Cloud/DigitalOcean.
  • Data Entry & Content Loading Bulk loading of large catalogues, products, or legacy database items (available as add-on).
  • Post-Launch Content Updates Updates to website text, blog posts, or images after the warranty period has expired.

Our Process

A transparent, milestone-driven framework to deliver projects on time and to specification.

01

Endpoint Blueprint Schema

We plan route layouts, request schemas, parameters, and database relationships.

02

Backend API Development

We code the database query controllers, auth checks, and JSON handlers.

03

Docs & Testing Assembly

We write Postman collections, run unit tests, and review payloads.

04

Live Deployment & Support

Production gateway configurations, server load tests, and launch.

API Development Investment Tiers

Flexible packages engineered to scale with your business growth stage.

Starter API Package
₹20,000 / project

Secure REST endpoints mapping standard database actions for internal platforms.

  • Core REST API Endpoints
  • Token Authentication (JWT)
  • Postman Schema Documentation
  • Vulnerability Checks
  • 30-Day Project Warranty
Choose Plan
Growth Enterprise API
₹45,000 / project

Advanced multi-service API mapping complex database actions, payments, and notifications.

  • Complex REST or GraphQL Schema
  • Advanced Role Check Filters
  • Payment & SMS Gateway Sync
  • Request Caching & Optimization
  • 90-Day Priority Support SLA
Choose Plan
Enterprise API System
Custom

High-throughput gateway API system designed to sync multi-million data actions.

  • Microservices Gateway Setup
  • API Load Balancing Configuration
  • Full Penetration Vulnerability Scans
  • Self-Documenting API Portal
  • 24/7 SLA Priority Technical Care
Request Custom Proposal

Recent Projects

Explore our latest API Development work and client success stories.

Software

School Management System

A comprehensive school management system with student records, fees, attendance, and parent portal.

View Case Study
Web Design

Nexus SaaS Cloud Portal

High-converting dark glassmorphic landing page and interactive portal UI.

View Case Study
Web Design

Luxe Horizon Real Estate

Bespoke property showcase platform with full-bleed imagery and virtual tour maps.

View Case Study
Web Design

Aether Digital Agency

3D interactive portfolio site engineered for global brand positioning.

View Case Study
Web Design

Starlight E-Commerce Hub

Modern checkout funnel and responsive storefront built for sub-second page loads.

View Case Study
Web Design

Apex Financial Advisory

Corporate wealth management web design with custom interactive calculators.

View Case Study
View All Projects

What Our Clients Say

Trusted by businesses across Hyderabad and beyond.

★ ★ ★ ★ ★

WebZap delivered our website on time and exceeded our expectations. The design is modern and our leads have increased significantly since launch. Highly recommend their team.

Rajesh Kumar

CEO, TechVentures India

★ ★ ★ ★ ★

Our e-commerce store was built by WebZap and the quality is outstanding. Fast loading, easy to manage, and the SEO has helped us rank for important keywords. Great team!

Priya Sharma

Founder, FashionHub

★ ★ ★ ★ ★

We needed a patient management system and WebZap delivered exactly what we needed. Professional team, timely delivery, and excellent post-launch support.

Mohammed Aslam

Director, MedCare Clinics

★ ★ ★ ★ ☆

WebZap built our education platform from scratch. The UI/UX is clean and students love using it. Very satisfied with the service and support provided.

Anitha Reddy

Co-Founder, EduPath Learning

Common Questions

Frequently asked questions about our API Development services.

Yes, we generate complete Postman collections and interactive HTML developer documentation for your engineering team.
REST is better for standard, resource-focused APIs. GraphQL is recommended for complex platforms with variable UI data loads.
We configure rate-limiting policies, token verification, CORS headers, and API keys.
Once the final invoice is paid, you own 100% of the intellectual property, design assets, and source code. We do not charge ongoing proprietary licensing fees.
Yes! Every project includes a 30-day technical warranty for bugs and minor styling edits. We also offer dedicated monthly SLA maintenance packages for security updates and backups.
Absolutely. We operate under a flexible change-management process. If you want to add features mid-project, we will issue a simple change-order estimate for your approval before starting.
We select stacks based on performance, scalability, and security—typically utilizing modern PHP/Node.js backends, React/Vue frontends, and AWS/Cloudflare cloud deployments.
Yes, 100%. All user interfaces are designed mobile-first and tested rigorously across smartphones, tablets, laptops, and ultra-wide desktop displays.
Every build incorporates clean HTML5 semantic hierarchy, structured Schema.org markup, web vitals optimization, image compression, and sub-second asset caching.
We enforce HTTPS/SSL encryption, CSRF token validation, SQL injection prevention, strict input sanitization, and automated OWASP vulnerability protection.
If you have existing assets, we will gladly integrate them. If not, our creative copywriting and digital design teams can craft custom assets, copy, and vector graphics for you.
We include structured milestone sign-offs (Wireframes, High-Fidelity Mockups, and Staging Builds) with 2-3 included revision rounds per phase to ensure 100% satisfaction.
Free Consultation — No Commitment

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API Development?

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PAN-INDIA & REGIONAL SERVICE COVERAGE

API Development Services in Telangana, Andhra Pradesh & Across India

Looking for api development near me? WebZap delivers enterprise-grade api development across Hyderabad, all districts in Telangana, Andhra Pradesh, and top technology hubs across India.

📍 Telangana Locations

Hyderabad (HITEC City, Gachibowli, Madhapur, Kondapur, Jubilee Hills, Banjara Hills, Begumpet, Secunderabad, Ameerpet, Kukatpally, Miyapur, LB Nagar, Uppal, Kompally), Warangal, Nizamabad, Karimnagar, Khammam, Ramagundam, Mahbubnagar, Nalgonda, Siddipet.

📍 Andhra Pradesh Locations

Visakhapatnam (Vizag) (Madhurawada, Siripuram, Gajuwaka), Vijayawada (Benz Circle, MG Road, Auto Nagar), Guntur, Tirupati, Nellore, Kakinada, Rajahmundry, Kurnool, Anantapur, Kadapa, Eluru, Vizianagaram, Ongole.

🌐 All India & "Near Me"

Metro Hubs: Bengaluru, Mumbai, Delhi NCR (Noida, Gurgaon), Chennai, Pune, Kolkata, Ahmedabad, Jaipur, Kochi, Chandigarh, Lucknow, Indore, Surat.
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