custom api integration services

bridging gaps, boosting productivity

elevate your business with custom integration solutions

Specialized in software development outsourcing, our expertise lies in delivering custom API integrations tailored to your business needs.

Milies is experienced in crafting and developing custom back-end APIs for high-speed, intelligent, and scalable API solutions including e-commerce, payment gateway, CMS, CRM, blockchain, artificial intelligence, and social media integrations.

E-commerce API Integration

Use API integrations to connect your e-commerce services to your inventory management systems, order management software, international shipping, gift card loyalty services, ERP and CRM systems, cart management, and more.

Receive orders from your customers, create loyalty programs, send gift cards, and merchandise in real time from your services, including Shopify, Amazon, Exigo, Ebay, Walmart, Etsy, and more.

Payment and Merchant API Integration

By choosing our bespoke payment integration service, you build a reliable and efficient payment processing system that promotes overall customer happiness and business success in addition to improving the operation of your e-commerce projects.

When it comes to online transactions, security is crucial. As we prioritize data privacy and industry standards compliance, our custom payment integrations (including Stripe, NMI, Wise, PayPal, Razorpay, Simplex, Visa, Mastercard,, Apple Pay, Google Pay, and others) offer your customers with peace of mind regarding the security of their financial information.

CMS and CRM Integrations

Enhance your website's content management capabilities with seamless integrations of leading CMS platforms. Whether you choose Strapi for its flexibility, Sitefinity for enterprise-level solutions, or HubSpot for its marketing prowess, our services ensure a smooth integration process.

We can help you unlock the full potential of your CRM data, streamline communication, and enhance collaboration across teams with CRM integrations that empower your business to thrive. Our experts can get your data flowing from the most popular platforms like Salesforce, NetSuite, Sage, SAP, A2000, HubSpot, Zendesk, QuickBooks, Workday, and more.

Blockchain API Integrations

We focus on smooth connectivity across multiple blockchain networks, including Ethereum, Polygon, BNB Chain, Fireblocks, and Solana. By supporting these diverse networks, we enable businesses to leverage the unique capabilities of each blockchain ecosystem for their specific needs.

Whether you're looking to integrate smart contracts, facilitate token transactions, launch decentralized applications (DApps) or development of a multi-chain NFT marketplace, our service ensures smooth interoperability and compatibility across various blockchain platforms.

AI Integrations

We provide powerful generative AI-powered solutions that are easily integrated into your current workflows and customized to meet your specific business needs. Our API integrations specialists have you covered whether you need AI chatbots and intelligent virtual assistants (IVAs), ChatGPT integration services, Whisper ASR (Automatic Speech Recognition) integration services, or Private LLMs (Large Language Models) integration.

Boost your business's efficiency with AI integration solutions, such as computer vision apps with AI capabilities, predictive analytics and forecasting, natural language processing (NLP) solutions, and AI-powered process automation.

Social Media API Integrations

Our team of experts in custom API integration provides a wide range of social media API integration services that boost the popularity of modern businesses. By integrating social media APIs, you will reach a wider audience with just a click. Additionally, popular social networks can be effortlessly connected with media posts, blogs, articles, comments, and any other necessary components.

We provide solutions for integrating API with a wide range of social media networks, including Discord, Facebook, Twitter, LinkedIn, Google+, Instagram, Pinterest, YouTube, Medium, Reddit, Telegram, WhatsApp, TikTok, Vimeo, Tumblr, and many more. Generally speaking, we are able to create API integration solutions for any social network that provides API services. 

case studies

your trusted partner for custom api services

Our API specialists at Milies use JavaScript and C#/.NET to design strong, safe, and easily maintainable APIs. We can successfully deliver highly secure and reliable APIs for any industry that meets your unique needs. Our developers use the SOAP / REST API methods for data processing in different programming languages. We document all the APIs using tools like Swagger for improved usability.

Whether you're looking to enhance customer experience, streamline operations, or connect with other digital platforms, our team with transformative API solutions provides clarity and direction you need for your modern businesses.

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