# Codexify Solutions > Elite software engineering and digital transformation agency building high-performance web applications, mobile apps, custom CRMs, AI automation workflows, and secure API integrations. Codexify Solutions provides end-to-end software development, cloud infrastructure engineering, and digital growth services for startups, mid-market businesses, and enterprise organizations. ## Core Services - [Custom Web Development](https://www.codexifysolutions.com/services/custom-website-development): High-speed Next.js 14/15, React Server Components, TypeScript, and Node.js web applications built for performance and SEO scale. - [E-Commerce Development](https://www.codexifysolutions.com/services/ecommerce-development): Custom storefronts, Shopify, Medusa, multi-currency checkout engines, and payment gateway integrations. - [Mobile App Development](https://www.codexifysolutions.com/services/mobile-app-development): Native iOS & Android applications built with React Native and Flutter with offline sync capabilities. - [AI & Automation Services](https://www.codexifysolutions.com/services/ai-automation): Autonomous AI agents, LLM tool calling, ReAct loops, workflow automation, and human-in-the-loop validation engines. - [Custom API Integration Services](https://www.codexifysolutions.com/services/api-integration): Secure webhooks, OAuth 2.0, Redis/BullMQ retry queues, rate-limit buffers, and multi-system data sync. - [Payment Gateway API Integration Services](https://www.codexifysolutions.com/services/payment-gateway-integration): Stripe, PayPal, Braintree, subscription billing, HMAC webhooks, idempotency keys, SAQ-A PCI compliance, and dunning workflows. - [CRM Development](https://www.codexifysolutions.com/services/crm-development): Bespoke CRM software, pipeline tracking, automated lead scoring, and custom database sync engines. - [WordPress Solutions](https://www.codexifysolutions.com/services/wordpress-solutions): Headless WordPress architectures using Next.js frontends, custom plugin engineering, and security hardening. - [Technical SEO Services](https://www.codexifysolutions.com/services/seo-services): Next.js App Router technical SEO audits, Core Web Vitals acceleration, JSON-LD schema injection, and indexation fixes. - [PPC Advertising Services](https://www.codexifysolutions.com/services/ppc-advertising-services): Data-driven Google Ads, Meta Ads, and performance marketing campaign management. - [Social Media Management](https://www.codexifysolutions.com/services/social-media-management-services): B2B brand positioning, content distribution, and social engagement strategy. - [Content Strategy Services](https://www.codexifysolutions.com/services/content-strategy-services): Technical writing, GEO (Generative Engine Optimization), and organic content engines. ## Technical Blog Articles & Engineering Guides - [Custom API Integration vs Zapier, Make & n8n | Webhooks vs Polling Guide](https://www.codexifysolutions.com/blog/custom-api-integration-vs-zapier-make-n8n-webhooks-vs-polling): Architectural guide comparing Custom API Integration, Zapier, Make, and n8n alongside a protocol deep dive into Webhooks vs Polling, HMAC signature security, idempotency keys, and TCO calculations. - [Custom API Integration Cost & Pricing Guide](https://www.codexifysolutions.com/blog/how-much-does-custom-api-integration-cost): Complete pricing guide covering custom API integration costs, scope variables, calendar delivery timelines, failure recovery safeguards, and total cost of ownership. - [Stripe API Integration Guide](https://www.codexifysolutions.com/blog/stripe-api-integration-guide-webhooks-security): Production engineering guide covering Stripe webhooks, HMAC SHA-256 signature verification, idempotency keys, and SAQ-A PCI compliance. - [Autonomous AI Agents for Business Automation](https://www.codexifysolutions.com/blog/how-autonomous-ai-agents-automate-business-operations): In-depth guide to AI agent architecture, ReAct reasoning loops, LLM function calling, and CRM data transformation. - [Next.js App Router Technical SEO Checklist](https://www.codexifysolutions.com/blog/nextjs-app-router-technical-seo-checklist): Technical breakdown of solving React Server Component indexing gaps, dynamic metadata hydration, and Core Web Vitals (LCP, INP, CLS). - [Headless WordPress + Next.js Stack Guide](https://www.codexifysolutions.com/blog/why-headless-wordpress-nextjs-is-the-ultimate-stack): Architectural guide comparing decoupled GraphQL backends with traditional monolithic WordPress builds. ## Company & Engineering Information - [About Codexify Solutions](https://www.codexifysolutions.com/about): Company origins (est. 2018), engineering leadership, core values, and client ROI metrics. - [Portfolio & Case Studies](https://www.codexifysolutions.com/portfolio): Proven client projects across e-commerce, healthcare, travel, real estate, logistics, and SaaS verticals. - [Careers](https://www.codexifysolutions.com/careers): Engineering roles, company culture, and remote employment opportunities. - [Contact & Free Consultation](https://www.codexifysolutions.com/contact): Book a free engineering assessment or project discovery consultation. ## Contact Information - Website: https://www.codexifysolutions.com - Email: hello@codexifysolutions.com - Phone: +92 3194589972 - Leadership: Bilal Hussain (Founder & CEO), Ghulam Ghous (Co-Founder & CTO) - Primary Stack: Next.js, React, TypeScript, Node.js, Python, PostgreSQL, MongoDB, Redis, Tailwind CSS, Docker, AWS. ## Optional - [Full Comprehensive Site Summary](https://www.codexifysolutions.com/llms-full.txt): Complete detailed text overview of Codexify Solutions offerings, architectures, and technical specifications for LLMs.