The latest articles on DEV Community by Tarun (@sanjeevutarun). https://dev.to/sanjeevutarun https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3865624%2F6c18a0df-28e0-4d21-acb6-de11be326e1d.png https://dev.to/sanjeevutarun en Tarun Tue, 07 Apr 2026 10:44:24 +0000 https://dev.to/sanjeevutarun/i-built-the-api-gsmarena-never-had-mobile-specs-dxomark-data-4mc8 https://dev.to/sanjeevutarun/i-built-the-api-gsmarena-never-had-mobile-specs-dxomark-data-4mc8 <h1> I Built the API GSMArena Never Had (Mobile Specs + DXOMark Data) </h1> <p>If you’ve ever tried building anything around smartphone data, you’ve probably hit this problem:</p> <p>👉 There is no clean, usable API for mobile specs.</p> <p>GSMArena has everything — but:</p> <ul> <li>no official API</li> <li>inconsistent structure</li> <li>scraping breaks easily</li> </ul> <p>I ran into this while building my own apps, and after scraping the same data again and again…</p> <p>I decided to fix it properly.</p> <h2> 🚀 What I Built </h2> <p>A <strong>production-ready mobile specs API</strong> that provides:</p> <ul> <li>📱 Structured smartphone specifications (GSMArena)</li> <li>📸 Camera scores (DXOMark-style data)</li> <li>🔍 Smart search with relevance scoring</li> <li>⚡ Fast responses using Redis + LRU caching</li> </ul> <h2> ⚡ Quick Example </h2> <p>Instead of scraping pages manually, you can just call:<br> </p> <div class="highlight js-code-highlight"> <pre class="highlight shell"><code>GET /phone?name<span class="o">=</span>samsung%20s26%20ultra </code></pre> </div> <p>After running locally:</p> <p>👉 <a href="http://localhost:4000/phone?name=samsung%20s26%20ultra" rel="noopener noreferrer">http://localhost:4000/phone?name=samsung%20s26%20ultra</a></p> <p>You’ll get clean structured JSON instantly — no parsing required.</p> <h2> 🔎 What You Can Search </h2> <p>Try queries like:</p> <ul> <li>iphone 15 pro max</li> <li>pixel 8</li> <li>oneplus 12</li> <li>samsung s24 ultra</li> </ul> <p>The API handles:</p> <ul> <li>fuzzy matching</li> <li>relevance scoring</li> <li>structured output</li> </ul> <h2> ⚙️ Tech Stack </h2> <ul> <li>TypeScript + Node.js</li> <li>Fastify (high-performance server)</li> <li>Redis (caching layer)</li> </ul> <h2> 🔥 What Makes It Different </h2> <p>This is not just a scraper — it’s designed as a usable system.</p> <h3> 1. Smart Caching System </h3> <ul> <li>Redis + LRU cache</li> <li>Prevents repeated scraping</li> <li>Makes responses faster</li> </ul> <h3> 2. Clean, Structured Output </h3> <p>Instead of raw HTML, you get:</p> <ul> <li>normalized JSON</li> <li>categorized specs</li> <li>consistent schema</li> </ul> <h3> 3. Smarter Search </h3> <ul> <li>Not basic string matching</li> <li>Uses scoring logic for better relevance</li> </ul> <h3> 4. Built for Real Use </h3> <ul> <li>Designed for actual projects</li> <li>Handles repeated queries efficiently</li> <li>Easy to integrate into apps</li> </ul> <h2> 🛠️ Run It Locally </h2> <p>Clone and run:<br> </p> <div class="highlight js-code-highlight"> <pre class="highlight shell"><code>git clone https://github.com/Sanjeevu-Tarun/gsmarena-dxomark-mobile-specs-api <span class="nb">cd </span>gsmarena-dxomark-mobile-specs-api npm <span class="nb">install </span>npm run dev </code></pre> </div> <p>Server runs at:<br> </p> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>http://localhost:4000 </code></pre> </div> <p>Example:<br> </p> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>http://localhost:4000/phone?name=iphone%2015 </code></pre> </div> <h2> 🧩 Why I Built This </h2> <p>I was building apps like DeviceIntel and needed:</p> <ul> <li>reliable device data</li> <li>fast queries</li> <li>reusable backend</li> </ul> <p>Instead of solving it repeatedly,<br> I built this API once — properly.</p> <h2> 💡 Where This Can Be Used </h2> <ul> <li>Mobile comparison apps</li> <li>Tech dashboards</li> <li>AI recommendation systems</li> <li>Data analysis tools</li> </ul> <h2> 🔗 GitHub Repo </h2> <p>👉 <a href="https://github.com/Sanjeevu-Tarun/gsmarena-dxomark-mobile-specs-api" rel="noopener noreferrer">https://github.com/Sanjeevu-Tarun/gsmarena-dxomark-mobile-specs-api</a></p> <h2> 👋 Final Thoughts </h2> <p>There’s a clear gap in structured mobile data APIs —<br> this is my attempt to fill that gap.</p> <p>If you find it useful:</p> <p>⭐ Star the repo<br> 💬 Share feedback<br> 🚀 Build something with it</p> api scraper gsmarena webscraping