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Building a Secure RESTful Web API with C#, EF6, and JWT: The Ultimate Guide

 Thursday, November 2, 2023     Bojan Arsenovic     Web Dev Technologies

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Welcome to the ultimate guide on crafting a secure RESTful Web API using C#, Entity Framework 6 (EF6), and JSON Web Tokens (JWT). This post is designed to provide web developers with a comprehensive walkthrough of building an API from the ground up, and managers or small business owners with a clearer understanding of what a secure API entails.

RESTful APIs: The Cornerstone of Modern Web Services

In the era of cloud computing and mobile applications, RESTful APIs have become the cornerstone of software communication. They allow different systems to exchange data in a seamless, platform-independent manner. And with cybersecurity threats on the rise, securing these data highways is not just an option—it's imperative.

The Technology Stack

  • C#: A versatile language by Microsoft, tailored for creating scalable, robust applications, making it an ideal choice for API development.
  • Entity Framework 6: A tried and tested ORM for .NET developers that simplifies data access by abstracting the database layer, reducing the amount of boilerplate code.
  • JSON Web Tokens (JWT): A compact, URL-safe means of representing claims between two parties, perfect for securing our API endpoints.

Development Setup

Before diving in, ensure your development environment is set up with Visual Studio, .NET Framework, and the necessary NuGet packages for EF6 and JWT authentication.

Designing the API

Every good API starts with design. Identify the resources you'll be exposing and define the endpoints accordingly. Use the HTTP verbs (GET, POST, PUT, DELETE) to map out CRUD operations.

Building the API

This is where we roll up our sleeves. Let's start by setting up a basic controller in C#:

public class ProductsController : ApiController
    private readonly IProductService _productService;

    public ProductsController(IProductService productService)
        _productService = productService;

    // GET: api/Products
    public IEnumerable GetProducts()
        return _productService.GetAll();

We leverage dependency injection to abstract our business logic into services, making our API cleaner and more maintainable.

Integrating Entity Framework 6

EF6 interacts with our database. Here's a snippet showing how you might interact with it to retrieve data:

public class ProductService : IProductService
    private readonly MyDbContext _context;

    public ProductService(MyDbContext context)
        _context = context;

    public IEnumerable GetAll()
        return _context.Products.ToList();

This service uses EF6 to retrieve all products from the database—a simple demonstration of the power of ORM.

Securing with JWT

Security is where JWT shines. Implementing it involves configuring the OAuth2 authorization server and generating tokens for authenticated users:

public class AuthController : ApiController
    public IHttpActionResult Authenticate(UserModel userModel)
        if (ValidateUser(userModel))
            var token = GenerateJWTToken(userModel.Username);
            return Ok(token);

        return Unauthorized();

    private string GenerateJWTToken(string username)
        // ... Generate JWT token logic here

Error Handling and Validation

Robust error handling and data validation ensure reliability and trustworthiness. Use custom exception filters and model validation to handle this aspect effectively.

Testing the API

Use Postman or Swagger to test your API. These tools simulate requests, allowing you to ensure your API responds as expected.

Performance Tips

Performance is critical. Use caching, minimize database calls, and optimize query performance to ensure your API is responsive.


When you're ready to go live, deploy your API to a server or a cloud platform like Azure or AWS.


By following this guide, developers can create secure, efficient RESTful APIs using C#, EF6, and JWT, while managers and business owners gain insights into the importance and intricacies of API security.

Need an API? We're Here to Help! Looking to develop a secure, robust RESTful API? Our skilled team at i2b Global is dedicated to delivering top-tier Web API solutions tailored to your specific needs. We provide the expertise, you reap the security and scalability benefits. Get in touch with us and let's craft your API solution together.

Remember, this is a blueprint—a starting point. Your final implementation may differ based on your specific requirements and infrastructure. But with this guide, you're well on your way to mastering the creation of secure, scalable RESTful APIs in C#.

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Deep Dive: Pinia's Core Features and Benefits in Vue 3 Applications

 Friday, October 6, 2023     Bojan Arsenovic     Web Dev Technologies

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In the dynamic world of Vue.js, managing state effectively ensures that applications are efficient, scalable, and maintainable. Pinia has emerged as a go-to solution for state management in Vue 3, tailored to seamlessly integrate with the framework's modern features.

The Rise of Pinia in Vue 3

Historically, Vuex dominated the state management scene for Vue. However, with Vue 3's introduction and its powerful Composition API, Pinia has gained significant traction. Its design, closely aligned with Vue 3's composition features, offers developers a more intuitive and streamlined state management experience.

Pinia's Core Features

1. Simple and Intuitive API

Pinia prides itself on its easy-to-use API. Unlike Vuex's more verbose structure, Pinia provides concise methods, making state management more intuitive. This simplicity reduces the learning curve, especially for those new to state management.

2. Reactivity with Vue 3's Composition API

Reactivity is at the heart of Vue, and Pinia harnesses this power to the fullest. By leveraging Vue 3's enhanced Composition API, Pinia ensures that state changes are immediately reflected across the application, ensuring a seamless user experience.

3. Built-in DevTools Support

For developers, debugging is a crucial part of the process. Pinia's integrated DevTools extension is a game-changer. It allows for real-time tracking of state changes, making the debugging process smoother and more efficient.

4. Direct Access to State Outside of Components

One of Pinia's standout features is its ability to access state outside of Vue components. This flexibility aids in scenarios like service functions or utility methods, where direct state manipulation is advantageous.

5. Improved TypeScript Support

TypeScript has grown in popularity due to its ability to catch errors early and its powerful typing system. Pinia's excellent TypeScript support ensures type-safe state management, bringing peace of mind and robustness to your applications.

State management in Vue 3 with Pinia

Benefits of Using Pinia in Vue 3 Applications

1. Enhanced Developer Experience

With its simplified syntax, robust debugging tools, and improved reactivity, Pinia undoubtedly elevates the developer experience, reducing boilerplate and enhancing productivity.

2. Optimized Performance

Pinia ensures that applications run smoothly by efficiently managing reactivity and reducing unnecessary re-renders. This optimization translates to faster app load times and smoother interactions for the end-user.

3. Scalability for Large Projects

Pinia's modular architecture is ideal for large-scale applications. Developers can effectively organize and manage state, ensuring that as projects grow, maintainability remains hassle-free.

4. Easier Maintenance and Upgrades

Aligned with Vue 3's modern features, Pinia ensures that application updates, feature additions, or framework upgrades are smooth and straightforward.

5. Positive End-User Experience

By ensuring optimal performance, seamless interactions, and quick load times, Pinia directly contributes to a superior user experience, keeping users engaged and satisfied.

Real-World Examples

Consider a large e-commerce platform built with Vue 3. With numerous product listings, user accounts, and order processes, managing state can be a challenge. Using Pinia, this platform can efficiently handle product searches, user authentication, and order tracking by maintaining a centralized and reactive state. The platform benefits from quicker load times, intuitive interactions, and a smooth checkout process, all thanks to Pinia's features.

Let's create a simple Pinia store for a shopping cart and a Vue component that uses this store.

Pinia Store: ShoppingCart.js

import { defineStore } from 'pinia';

export const useShoppingCartStore = defineStore({
  id: 'shoppingCart',

  state: () => ({
    items: []

  getters: {
    totalItems() {
      return this.items.length;
    totalPrice() {
      return this.items.reduce((sum, item) => sum + item.price, 0);

  actions: {
    addItem(product) {
    removeItem(productId) {
      this.items = this.items.filter(item => !== productId);
    clearCart() {
      this.items = [];

Vue Component: ShoppingCart.vue

    <h2>Your Shopping Cart</h2>

      <li v-for="item in cartItems" :key="">
        {{ }} - ${{ item.price }}
        <button @click="removeFromCart(">Remove</button>

    <p>Total items: {{ totalItems }}</p>
    <p>Total price: ${{ totalPrice }}</p>

    <button @click="clearAll">Clear Cart</button>

import { useShoppingCartStore } from './ShoppingCart.js';

export default {
  name: 'ShoppingCart',
  setup() {
    const shoppingCart = useShoppingCartStore();

    return {
      cartItems: shoppingCart.items,
      totalItems: shoppingCart.totalItems,
      totalPrice: shoppingCart.totalPrice,
      removeFromCart: shoppingCart.removeItem,
      clearAll: shoppingCart.clearCart

In this example:

  1. We've defined a Pinia store shoppingCart that has a state with items array, some getters (totalItems and totalPrice), and actions to manage products in the cart.
  2. In the Vue component, we've accessed the store's state, getters, and actions to display and manage items in the shopping cart.


Pinia is not just another state management tool; it's a testament to how Vue 3's modern capabilities can be harnessed to build powerful applications. Its core features and inherent benefits make it an indispensable asset for any Vue 3 developer.

Ready to Elevate Your Vue 3 Project? If you're looking to harness the power of Pinia for your Vue 3 applications or need expert advice on state management strategies, reach out to our team at i2b Global. Let's work together to build efficient, scalable, and user-friendly Vue 3 applications!

Additional Resources

Unlocking the Future of Web Development: A Deep Dive into Headless CMS and JAMstack

 Friday, September 1, 2023     Bojan Arsenovic     Web Dev Technologies

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The landscape of web development is constantly evolving, with new tools and technologies continuously emerging to solve the challenges of the digital age. Two innovative approaches that have gained significant traction in recent years are Headless CMS and JAMstack. In this article, we'll explore these concepts, their benefits, and how they can be combined to create powerful, modern web applications.

Section 1: Understanding Headless CMS

Traditional Content Management Systems (CMS) like WordPress and Joomla have been around for years, providing an all-in-one solution for creating, managing, and displaying content on the web. However, as the digital landscape has evolved, these systems have shown their limitations, particularly in terms of flexibility, scalability, and performance.

Enter Headless CMS - a back-end only content management system that allows you to manage your content and then deliver it wherever it's needed via APIs. Unlike traditional CMS, Headless CMS does not concern itself with how the content is displayed, allowing developers to use any front-end tool to render the content.

Key Features and Benefits of Headless CMS:

  • Flexibility: Developers are free to choose the best front-end tools for their needs.
  • Omnichannel Publishing: Content can be delivered to any device or platform via APIs.
  • Performance: Removing the front-end layer can lead to better performance and faster load times.
  • Scalability: Easily adapt to increased traffic and demands.

Popular Headless CMS Platforms:

  • Strapi: An open-source Headless CMS that is highly customizable and developer-friendly.
  • Contentful: A cloud-based Headless CMS that offers a variety of features and integrations.
  • Sanity: A platform for structured content that comes with an open-source editing environment.

Section 2: Demystifying JAMstack

JAMstack: JavaScript, APIs, Markup

Traditional web development architecture relies on a server-side backend that dynamically generates HTML pages from a database on each request. This approach has several drawbacks, including slower performance, higher server load, and more vulnerability to attacks.

JAMstack is a modern web development architecture that stands for JavaScript, APIs, and Markup. It is based on client-side JavaScript, reusable APIs, and pre-built Markup.

Components of JAMstack:

  • JavaScript: Handles any dynamic programming during the request/response cycle.
  • APIs: Server-side functions are abstracted into reusable APIs accessed over HTTPS with JavaScript.
  • Markup: Templated markup should be prebuilt at deploy time using a static site generator.

Key Features and Benefits of JAMstack:

  • Performance: Pre-built markup and decoupled architecture lead to faster load times.
  • Security: Less server-side functionality reduces the surface area for attacks.
  • Scalability: Static files can be served via a Content Delivery Network (CDN) to handle increased traffic easily.
  • Developer Experience: Developers can use modern tools and frameworks, and the deployment process is simplified.

Popular Tools and Frameworks for JAMstack:

  • Next.js: A popular React framework that enables functionality such as server-side rendering and generating static websites.
  • Gatsby: A React-based open-source framework for creating static websites and applications.
  • Nuxt.js: A Vue.js framework for creating modern web applications.

Section 3: The Powerful Combination

Headless CMS and JAMstack can form a potent combination. The Headless CMS manages the content and exposes it via APIs, and the JAMstack site consumes this content via APIs and renders it on the client side. This combination offers great flexibility, efficiency, and performance in developing modern web applications.

Use Case Scenarios:

  • Corporate Websites: Easily manage content and deliver a high-performance website.
  • E-commerce Sites: Manage products, categories, and other content efficiently while delivering a fast, secure, and scalable website.
  • Blogs and Magazines: Create and manage content easily while delivering a fast-loading, SEO-friendly site.

Real-World Examples:

  • Smashing Magazine: An online magazine for professional web designers and developers that uses JAMstack and a Headless CMS.
  • Netlify: A popular platform for hosting JAMstack sites uses Headless CMS for content management.

Section 4: Getting Started with Headless CMS and JAMstack

  1. Define Your Project: Determine the purpose, target audience, and core features of your website or application.
  2. Choose Your Tools: Select a Headless CMS and front-end tools that fit your project requirements.
  3. Set Up Your Development Environment: Install the necessary tools and set up your development environment.
  4. Develop Your Application: Build your application, utilizing the Headless CMS for content management and JAMstack architecture for the front end.
  5. Test Your Application: Thoroughly test your application to ensure it works correctly and is optimized for performance.
  6. Deploy Your Application: Deploy your application to a hosting provider that supports JAMstack architecture.

Section 5: Challenges and Considerations

  • Learning Curve: There may be a learning curve for developers unfamiliar with Headless CMS and JAMstack concepts.
  • SEO Considerations: Ensure that your site is SEO-friendly by properly managing meta tags, generating sitemaps, and implementing server-side rendering or prerendering.
  • Performance Optimization: Optimize your site's performance by implementing lazy loading, optimizing images, and using a CDN.


Headless CMS and JAMstack are revolutionary approaches to web development that offer enhanced performance, security, and scalability. By understanding these concepts and knowing how to combine them effectively, you can create powerful, modern web applications that provide an exceptional user experience.

Ready to Revolutionize Your Web Development Process? At i2b Global, we specialize in creating tailored solutions using the latest technologies, including Headless CMS and JAMstack. Whether you're looking to build a corporate website, e-commerce platform, or a content-rich blog, our team of experts can help you navigate the complexities and deliver a product that exceeds your expectations. Contact us today to get started on your next project!

Additional Resources

Building Progressive Web Apps (PWAs): A Comprehensive Guide to Benefits and Methodologies

 Friday, August 4, 2023     Bojan Arsenovic     Web Dev Technologies

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Progressive Web Apps (PWAs) have emerged as a revolutionary technology in the web development world. By combining the best of web and mobile applications, PWAs deliver an immersive user experience across all platforms. In this guide, we'll explore the key benefits and methodologies of creating PWAs, and highlight how i2b Global specializes in developing Vue.js 3 PWAs.

What Are Progressive Web Apps?

PWAs are web applications that function like native mobile apps, providing smooth interactions and offline capabilities. Unlike traditional web apps, PWAs offer key characteristics like offline functionality, responsive design, and seamless integration across devices.

Benefits of PWAs

  • User Engagement: Improved user retention with engaging interfaces.
  • Performance: Faster loading and smooth transitions.
  • Offline Access: Fully functional without an internet connection.
  • SEO Benefits: Enhanced search engine visibility.
  • Cost-Effectiveness: Reduced development and maintenance costs.
  • Cross-Platform Compatibility: A consistent experience on various devices.

Key Technologies and Methodologies for Building PWAs

  • Service Workers: Enable offline access and background updates.
  • Manifest File: Allows users to add the PWA to their home screen.
  • Responsive Design: Adaptable layouts for all screen sizes.
  • Caching Strategies: Efficiently manages data for offline use.
  • Push Notifications: Keep users engaged with updates.

Real-World Examples of PWAs

  1. Twitter Lite: Offers a faster, data-friendly experience.
  2. Pinterest: Increased user engagement through PWA implementation.
  3. Starbucks: Delivers a seamless ordering experience, both online and offline.

How i2b Global Specializes in Vue.js 3 PWAs

At i2b Global, we recognize the transformative power of PWAs and specialize in leveraging Vue.js 3 to create dynamic, user-centric applications. By utilizing this cutting-edge framework, we provide robust and scalable solutions that meet the demands of modern businesses.

How to Get Started with PWAs

  • Planning: Define the purpose, audience, and core features.
  • Choosing the Right Tools: Opt for Vue.js 3 for innovative PWAs.
  • Development Best Practices: Adhere to standards and avoid common pitfalls.
  • Testing: Rigorous quality checks for flawless performance.
  • Deployment and Maintenance: Expert guidance from i2b Global.

Challenges and Considerations

  • Understanding User Needs: Research and design accordingly.
  • Security Considerations: Implement robust security protocols.
  • Ongoing Updates: Regular maintenance to stay ahead of the curve.


PWAs offer an unparalleled experience with cross-platform compatibility, performance optimization, and user engagement. As experts in Vue.js 3 PWAs, i2b Global is ready to help you harness these benefits and create a transformative digital solution tailored to your business needs.

Ready to Explore the World of PWAs? Contact i2b Global Today!

If you're looking to enhance your online presence or develop a new project with Progressive Web Apps, look no further than i2b Global. Our team of experienced professionals specializes in Vue.js 3 PWAs and is dedicated to delivering high-quality, customized solutions. Contact us today to discover how we can help you achieve your goals and take your business to the next level.

Additional Resources:

Single Page Application made with Angular

 Tuesday, January 16, 2018     Bojan     Web Dev Technologies

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Angular is Google backed, front-end JavaScript framework following MVW pattern, allowing web application developers to create SPAs that are blazing fast, highly feature rich.

What is a SPA? Single-Page Applications (SPAs) are Web apps that load a single HTML page and dynamically update that page as the user interacts with the app. SPAs use AJAX and HTML5 to create fluid and responsive Web apps, without constant page reloads.

The Traditional Page Lifecycle vs. the SPA Lifecycle

i2b Global has recently acquired skills to develop SPAs for our clients, specifically using Angular web technology. If you have a project that you would like us to work on, please contact us and let's talk. - one framework, mobile & desktop is already at version 5.2 as of this article's publishing. The framework has matured a lot and can be used to develop small to enterprise sized, modern, web applications that will work across all platforms. Everything is organized in modules and components. This is yet another benefit of using Angular. You can reuse code and make it modular so that different people can work on different parts and put it together.

Examples of well know web apps done in Angular is Google's Gmail and YouTube! Speed and performance is important if you want your users to really accept and love the tools you build. That's why Angular is focused on achieve the maximum speed possible, and has scalability in mind. Check out this Angular example

Developers can use Angular with their favourite IDEs to not just create powerful UI views using simple template syntax, but to get intelligent code completion, ability to see errors right away, or generate components using Angular CLI. The web programming language of choice is TypeScript, which is a superset of JavaScript. This ensures that development will be as bug free as possible, and easier to organize/read/maintain code.

We are very excited to announce our offering of this service! If you have a project that you would like us to work on, please contact us and let's talk.

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We have been using I2B Global for over 5 years and for multiple business ventures, and we could not be more pleased with the service we have received. Bob and his team have been incredibly accommodating, supportive, and always share their wealth of experience. I could not recommend I2B Global more, Thanks for all your work.

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To Bob, Bojan, and the I2B Global Team: Thank you so much for the outstanding work you have done for us so far. Your way of responding to our needs is truly a breath of fresh air in this fast paced era we live in. We continue to add more services your firm has to offer given how effective your site design and SEO has been. We look forward to continued growth along with you for years to come. Keep up the excellent work.

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