Hire the Best API Integration Freelancers
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I help startups, agencies, and growing businesses build scalable web applications powered by AI and modern technologies. With expertise in Laravel, PHP, MySQL, REST APIs, OpenAI, GoHighLevel, n8n, Claude AI, AI Automation, and SaaS MVP Development, I build secure, high-performance solutions that are easy to scale and maintain. What I build: ✔ AI Integration (OpenAI, ChatGPT, Claude, Gemini) ✔ SaaS Platforms & MVP Development ✔ Custom Web Applications ✔ AI Agents & Workflow Automation ✔ REST API Development & Third-Party Integrations ✔ Admin Panels & Business Dashboards ✔ CRM, ERP & Internal Business Systems ✔ Multi-Tenant SaaS Applications ✔ Payment Gateway Integration (Stripe, PayPal) ✔ Authentication & Role-Based Access Control ✔ Database Design & Performance Optimization Tech Stack: Laravel PHP MySQL JavaScript HTML5 / CSS3 REST API OpenAI API Claude API GoHighLevel Make n8n Git Linux Docker Why clients work with me: ✔ Clean, scalable architecture ✔ Fast and maintainable code ✔ AI-first business solutions ✔ Performance & security focused ✔ Clear communication ✔ Long-term partnership mindset Whether you're launching a new SaaS MVP, integrating AI into an existing platform, or building a custom business application, I can help turn your idea into a reliable, production-ready solution.

Full Stack Web Application Developer: Laravel, Livewire, Tall Stack,Yii2, Wordpress,Marketplace API (Amazon SP-API, eBay API, Walmart API, Shopify API), NodeJS, REACT, Angular JS -I am an active programmer since year 2010 - I prefer medium and big project Skills and Technologies I am familiar with: -PHP: this is my root scripting language I am using from start to end in many project -Laravel: I have over 4 years’ experience in Laravel -Yii: I used both Yii version 1.1 & 2.0, I have over 5 years’ experience in Yii framework. I used this framework in over 50 projects -Joomla: since 2011 I am using this CMS and I have wide range of experience on this CMS -Angular JS, Node.js, REACT, Nex JS, JQuery, JavaScript, CSS, HTML5,Bootstrap -MySQL: I used this Database Engines almost in my every dynamic web application I have the following Ecommerce Marketplace API integration experience 1. Amazon SP-API and MWS API 2. Walmat Marketplace API 3. eBay API 4. Shopify API 5. Etsy API 6. WooCommerce API 7. Tiktok API 8. Facebooka and Google API 9. Keepa API (amazon third party price tracker) -Data Scrapping: i have massive experience in Data scrapping with different Technology and approach - chrome extension -ERP: I am expert in this business application. In addition I have skill in developing inventory, HRM, payroll, web portal, healthcare and medical type application. Beside I am expert in developing customized Dropshipping tools with various suppliers including Lister, price and stock monitor. IDE, tools and version control system -GIT: I just love it and I used it in so many projects, it’s really cool and helpful to manage my project -Dreamweaver, phpstorm,VS Code, Photoshop, pait.net, MySQL Navicat and many others IDE and tools I used Operating system and others - Linux and Windows, Apache, Tomcat, AWS I give my 100% focus on even small details of project and try to make it perfect. My goal is to make a project successfully by keeping high quality of work with fair price. I am very easy and flexible to work. Feedback from Upwork Clients’: "Muhammad is excellent! He helped me finish three PHP projects that work great for my e-commence business. With his help, my work becomes super easy and effective. He communicates and finishes projects at an unbelievable speed. I would highly recommend him to anyone who needs some perfect work to be done! I will keep working with him in the future." I AM THE ONE YOU ARE LOOKING FOR.

✅ Meta App Approvals — Guaranteed. Or You Don't Pay. While others guess their way through Meta's review process, I've spent 10+ years engineering the systems behind it. I don't just get approvals. I build the products that need them. 📊 The Numbers: 🏆 260+ Projects Completed 💰 $200K+ Earned on Upwork ⭐ Top Rated Plus | Top 3% Globally | 5-Star Rated 🚀 60+ Apps Approved in the last 6 Months 🔐 400+ Permissions Secured 🛠️ 30+ SaaS Products Built from scratch on Meta APIs Most freelancers submit your app with hope but I know exactly what Meta's reviewers want because I've been in this ecosystem since before most developers knew the API existed. 🎯 You bring the vision. I'll bring the build and the badge. 🚫 Rejected by Meta? I fix that fast. If you're hitting the "Invalid Screencast" wall or stuck in an endless rejection loop, you're not alone and you're in the right place. I've rescued hundreds of clients from exactly this situation. I handle everything, I record the screencast myself, prepare the full submission, and manage direct communication with Meta's review team until you're approved. Most clients get the green light in 1–10 business days. Meta & Social Platform Approvals: ✅ Meta App Reviews or API Permission Approvals Expert ✅ Facebook App Review Expert ( Facebook Pages & Instagram & Ads & Threads) API Permissions Approval for Advanced Access ✅ Facebook API permissions Approval Expert ✅ Instagram API Permissions Approval Expert ✅ Meta Marketing / Ads API Permissions Approval Expert ✅ Threads API Permissions Approval Expert ✅ Expert Facebook/Instagram/Telegram/WhatsApp Chatbot Developer ✅ Expert in API integration ✅ Expert Facebook API Developer ✅ Expert Instagram API Developer ✅ Facebook Tech Provider/ Access Verification Expert ✅ Facebook Business Account Verification Consultant ✅ Meta App Data Deletion Request Callback Implementation ✅ TikTok Marketing Developer App Approval Expert ✅ TikTok Developer API App Approval Expert ✅ Expert in Marketing Automation Software ✅ Expert in WordPress Plugin Development ✅ Worked with PHP Script and SaaS selling company Codecanyon, Jvzoo, Warrior+Plus. ⭐ Why clients come back: I don't hand you a checklist and disappear. I'm in the trenches with you — writing, recording, submitting, and negotiating — until Meta says yes. 𝗜𝗻𝘀𝘁𝗮𝗴𝗿𝗮𝗺 𝗔𝗣𝗜 (𝗜𝗻𝘀𝘁𝗮𝗴𝗿𝗮𝗺 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗟𝗼𝗴𝗶𝗻) instagram_business_basic, instagram_business_manage_comments, instagram_business_manage_messages, instagram_business_manage_insights 𝗙𝗮𝗰𝗲𝗯𝗼𝗼𝗸 𝗔𝗣𝗜 𝗣𝗲𝗿𝗺𝗶𝘀𝘀𝗶𝗼𝗻𝘀 pages_read_user_content, pages_manage_posts, pages_show_list, pages_manage_metadata, pages_user_locale, pages_user_gender, pages_manage_engagement, pages_messaging, read_insights, pages_read_engagement, pages_user_timezone, Business Asset User Profile Access 𝗜𝗻𝘀𝘁𝗮𝗴𝗿𝗮𝗺 𝗚𝗿𝗮𝗽𝗵 𝗔𝗣𝗜 (𝗙𝗮𝗰𝗲𝗯𝗼𝗼𝗸 𝗟𝗼𝗴𝗶𝗻) instagram_basic, instagram_content_publish, instagram_manage_comments, instagram_manage_messages, instagram_manage_insights, Instagram Public Content Access, Human Agent, instagram_branded_content_ads_brand, instagram_branded_content_brand 𝗠𝗲𝘁𝗮 𝗠𝗮𝗿𝗸𝗲𝘁𝗶𝗻𝗴 / 𝗔𝗱𝘀 𝗔𝗣𝗜 business_management, ads_read, ads_management, pages_manage_ads, leads_retrieval, catalog_management 𝗧𝗵𝗿𝗲𝗮𝗱𝘀 𝗔𝗣𝗜 threads_basic, threads_content_publish, threads_keyword_search, threads_manage_insights, threads_manage_mentions, threads_manage_replies, threads_read_replies 𝗪𝗵𝗮𝘁𝘀𝗔𝗽𝗽 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗔𝗣𝗜 whatsapp_business_messaging, whatsapp_business_management 🛠️ What I Do: I specialized in Meta API development and social media SaaS products — from Facebook Graph, Marketing, and Messenger APIs to Instagram (Graph, Business), WhatsApp Business & Cloud API, Threads, Twitter/X v2, Pinterest, Reddit, Shopify, integrations. I also handle Webhook, IPN, and Cron Job setups end to end. SaaS Products I've Built: Instagram Comment & DM Automation, Facebook Ads Creation Portals, Social Media Posting Platforms, AI Chatbots powered by OpenAI & ChatGPT for Messenger and Instagram, CRM Dashboards, and Marketing Automation Software. I've worked with ChatPion, Stackposts, and ChatWoot. Any white-label social media tool — I've seen it and can get it approved. ⚙️ Tech Stack: JavaScript (TypeScript,React,Next.js,Node.js, Express, Vue), Python, PHP (Laravel, CodeIgniter), MySQL, PostgreSQL,MongoDB,Redis,AWS,Git 💬 What Clients Say: ⭐ "Mir was an absolute game-changer. Deep understanding of Meta's API ecosystem — permissions, configurations, best practices. If you need a Meta API expert who is highly skilled and a pleasure to work with, Mir is the person to hire." — Sheila, USA ⭐ "Best guy on Upwork for API development. We already hired him on another project." — Marius, Romania ⭐ "His knowledge of FB and API integration is really deep and comprehensive. Very happy." — Fabrizio, Italy ⭐ "Anything Meta app permission related, he'll fix it for you." — Roy, USA

I am a Senior Zoho Consultant, API Integration Expert, and Custom Application Developer with 15+ years of experience building, customizing, automating, and scaling business systems across the Zoho ecosystem. Together with my expert team, I have completed 1000+ projects involving Zoho CRM, Zoho One, Zoho Creator, Zoho Books, Zoho Inventory, Zoho Projects, Zoho Flow, Deluge, API integrations, workflow automation, custom portals, WordPress plugins, e-commerce systems, AI agents, and large-scale data migration. My strongest expertise is in Zoho customization, system design, and secure custom app development using Zoho APIs. I help businesses turn complex processes into clean, automated, scalable systems. I am Best in, -Zoho CRM / Zoho One customization -Zoho Creator custom app development -PHP Based Custom APP using Zoho API -Deluge scripting and advanced automation -Advance Reporting using Zoho Analytic -Zoho API and third-party API integrations -Secure customer portals and vendor portals -Bi-directional data sync between Zoho and external systems -Large data import, migration, and synchronization -Large Data (50M+) record migration tool development -Zoho Inventory, Books, Invoice, Projects, Forms, and Flow setup -WordPress, WooCommerce, Gravity Forms, and Zoho integrations -Custom WordPress plugin development -n8n workflow automation -AI agent development using ChatGPT, Claude, MCP, and Zoho APIs -Custom Apps & Industry Solutions I have built custom systems for many industries, including: -Customer portals -E-commerce platforms -Student management systems -Real estate management systems -Tax-based applications -Inventory and order management systems -Recruitment workflows -Membership portals -Reporting dashboards -Internal business management tools -Advanced Automation & AI I also work with modern automation and AI technologies, including n8n, ChatGPT API, Claude, MCP servers, and AI agents. Recently, I worked extensively with Zoho MCP Server, created 100+ endpoints, and built AI agents for Zoho users using Claude and MCP Server. I also have experience building large-scale n8n workflows for API-to-CRM integrations, including authentication, pagination, field mapping, transformation, and syncing high-volume records. I do not just configure Zoho. I design complete business systems. Whether you need a full Zoho implementation, complex API integration, custom portal, large data migration, AI automation, WordPress-Zoho connection, or long-term support, I can help you build a solution that is secure, reliable, scalable, and easy to maintain. If you are looking for a highly experienced Zoho and automation expert who can understand complex requirements and deliver practical results, I would be happy to help.

With over 14 years of experience, I specialize in transforming complex business requirements into scalable web applications that drive real revenue growth. My expertise spans full stack development, AI integration, and payment solutions, ensuring that every project I undertake is both innovative and robust. Core Expertise & Skills Backend Development 1. PHP: Developing robust applications since 2007 2. Laravel: Building enterprise-grade applications since 2012 3. Livewire: Real-time interfaces for modern web apps 5. API Development: RESTful services handling millions of requests 6. Database Design: MySQL optimization for high-traffic systems AI & Code Auditing 1. AI-driven code verification for enhanced accuracy 2. Comprehensive code reviews to ensure quality and security 3. Migrating legacy systems to AI-driven platforms for modern business needs Payment Solutions 1. Stripe / Stripe Connect: Certified expert with 50+ marketplace integrations since 2014 2. Payment Orchestration: Designing and implementing complex payment systems 3. E-commerce: Complete online store development and optimization Frontend & UI/UX 1. WordPress: Crafting dynamic websites since 2010 2. Modern CSS: Tailwind CSS, Bootstrap responsive design 3. Figma: Mastery in creating intuitive UI/UX designs 4. JavaScript: Dynamic interfaces and real-time functionality 6. Performance: Sub-3-second load times on complex applications MCP Experience 1. Figma, WordPress, Laravel: Mastery in creating and managing complex projects Additional Technologies 1. React.js, Python, Vue.js: Proficient in understanding and coding with AI assistance Data Analysis & Visualization 1. Analytical insights for data-driven decision making 3. Creating visualizations to simplify complex data sets Enterprise Integration 1. CRM Systems: Zoho CRM, custom business workflows 2. Marketing Automation: Email sequences, customer lifecycle management 3. Third-party APIs: Google services, social authentication, AI chatbots Cloud & DevOps 1. AWS & Digital Ocean: Scalable infrastructure deployment 2. Laravel Forge: Automated deployment and server management 3. Git/GitHub: Version control and collaborative development Professional Experience 1. Built 100+ web applications across various industries 3. Specialized in SaaS platforms and e-commerce solutions 4. Led development teams and mentored junior developers 4. Consulted for Fortune 500 companies and funded startups Key Achievements 1. Generated $50M+ in client revenue through platforms I've built 2. Maintained 99.99% uptime across all production applications 3. Improved client conversion rates by 30-50% consistently 4. Recognized by Stripe as integration methodology contributor 5. My Development Approach I focus on building solutions that scale with your business growth. Every project includes: 1. Future-proof architecture designed for expansion 2. Security best practices with PCI compliance when needed 3. Performance optimization for exceptional user experience 4. Comprehensive documentation for long-term maintainability Ideal Project Types 1. SaaS application development and migration 2. E-commerce platforms with complex requirements 3. Payment system integration and optimization 4. Custom web applications for growing businesses 5. API development and third-party integrations I work best with ambitious businesses ready to invest in quality solutions that drive measurable results. Ready to discuss your project? Let's build something exceptional together.

Laravel Backend Engineer | APIs, Realtime Systems & Performance Optimization I help businesses build and maintain scalable Laravel applications, APIs, realtime systems, and high-performance backend infrastructure. With 6+ years of experience, I specialize in solving complex backend problems, debugging production issues, optimizing performance, and developing secure API-driven applications. My expertise includes: • Laravel application development • REST API development & third-party integrations • Realtime systems (WebSockets, SocketIO, Workerman) • Server troubleshooting & deployment • Performance optimization & database tuning • React / Next.js frontend integration • Payment gateway integration (Stripe, PayPal) • Legacy codebase debugging and system improvements I am comfortable working on: * large or messy codebases * urgent bug fixing * scaling backend systems * API-heavy applications * production/server issues Tech Stack: Laravel, PHP, MySQL, PostgreSQL, Redis, React, Next.js, JavaScript, REST APIs, Linux, Nginx, Git Why clients work with me: * Clear communication * Fast debugging and problem-solving * Clean and maintainable code * Reliable long-term support * Strong focus on performance and stability If you need a Laravel developer who can independently investigate issues, improve system performance, and build reliable backend solutions, feel free to invite me to your project.