The latest articles on DEV Community by SHAURYA SANYAL (@shauryasanyal3). https://dev.to/shauryasanyal3 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F4011226%2F8fd8b2a7-16c4-40cc-88f3-0d4da7a55330.png https://dev.to/shauryasanyal3 en SHAURYA SANYAL Thu, 02 Jul 2026 17:14:41 +0000 https://dev.to/shauryasanyal3/the-life-of-a-single-api-request-5319 https://dev.to/shauryasanyal3/the-life-of-a-single-api-request-5319 <h2> The Life of a Single API Request </h2> <h3> Follow one request from your keyboard to millions of transistors... </h3> <blockquote> <p>You press <strong>Enter</strong>.</p> </blockquote> <p>...</p> <h2> Chapter 1 • The Click </h2> <p>Your keyboard generates an interrupt...</p> <h2> Chapter 2 • Finding the Server (DNS) </h2> <p>How does <code>api.example.com</code> become an IP address?</p> <p>...</p> <h2> Chapter 3 • Can We Even Talk? (TCP) </h2> <p>...</p> <h2> Chapter 4 • Trust Nobody (TLS) </h2> <p>...</p> <h2> Chapter 5 • The Request Leaves Your Device </h2> <p>...</p> <h2> Chapter 6 • The Edge (CDN) </h2> <p>...</p> <h2> Chapter 7 • Traffic Control (Load Balancer) </h2> <p>...</p> <h2> Chapter 8 • The Front Door (Reverse Proxy) </h2> <p>...</p> <h2> Chapter 9 • Who Are You? </h2> <p>...</p> <h2> Chapter 10 • Can We Avoid the Database? </h2> <p>...</p> <h2> Chapter 11 • Talking to the Database </h2> <p>...</p> <h2> Chapter 12 • Business Logic </h2> <p>...</p> <h2> Chapter 13 • The Journey Home </h2> <p>...</p> <h2> Chapter 14 • The Browser Goes Back to Work </h2> <p>...</p> <h2> Chapter 15 • JavaScript Changes Everything </h2> <p>...</p> <h2> Chapter 16 • The GPU Takes Over </h2> <p>...</p> <h2> Chapter 17 • Interactive </h2> <p>...</p> <h2> Final Timeline </h2> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>Enter Key ↓ DNS ↓ TCP ↓ TLS ↓ Internet ↓ CDN ↓ Load Balancer ↓ Reverse Proxy ↓ Authentication ↓ Cache ↓ Database ↓ Business Logic ↓ Compression ↓ Browser ↓ DOM ↓ CSSOM ↓ Layout ↓ Paint ↓ GPU ↓ First Pixel ↓ Interactive </code></pre> </div> <h2> Closing Thoughts </h2> <p>A single click feels instantaneous because...</p> api backend networking systemdesign SHAURYA SANYAL Thu, 02 Jul 2026 17:11:14 +0000 https://dev.to/shauryasanyal3/-the-life-of-a-single-api-request-follow-one-request-from-your-keyboard-to-millions-of-16i5 https://dev.to/shauryasanyal3/-the-life-of-a-single-api-request-follow-one-request-from-your-keyboard-to-millions-of-16i5 api networking systemdesign webdev