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Custom API Development & Integration Solutions


Unlock Your Business Potential with Chetu's Custom API Development Solutions

Chetu's API development solutions support a range of integration protocols, including REST, SOAP, XML, and RPC API. Our developers have extensive experience creating custom APIs using these protocols to ensure seamless integration between your systems. RESTful APIs are ideal for lightweight, web-based applications, while SOAP APIs are better suited for complex, enterprise-level integrations. XML and RPC APIs are powerful tools for integrating different systems and enabling data exchange. With Chetu's expertise in these protocols, you can be confident that your API integration will be efficient, reliable, and tailored to your unique business needs.

Custom Artificial Intelligence API Solutions

Our developers integrate artificial intelligence software using machine learning algorithms, natural language processing, computer vision, and other AI techniques to build APIs that can be used for various applications, such as customer service chatbots, fraud detection, recommendation engines, and predictive analytics in order to automate tasks, provide insights, and enhance decision-making processes.

Custom API Interface Integrations

We specialize in building custom REST APIs to enhance your current off-the-shelf solution or integrate third-party public APIs that enables your software solution to seamlessly interface with other apps, devices, and business systems.

Custom API Implementations

We implement internal and external API documentation solutions that preemptively solve code issues regarding server communications, content creation & management, data sharing, business logic, and microservices.

Automated API Testing

Our engineers and quality assurance (QA) specialists use automated unit testing, functional testing, and load testing tools and best practices to check and learn from the performance & functionality of mission-critical business apps.

Custom API Application Solutions

APIs are widely used in web applications, and there are four main types of APIs: public, partner, private, and composite. Our mobile, desktop, and cloud-build API application solutions incorporate developing service-oriented architectures (SOA), browsers, web sockets, operating systems, firmware/hardware, database resources, and more.

Chetu’s API-as-a-Service (APIaaS) Solutions

Chetu's API-as-a-Service (APIaaS) solutions utilize a range of protocols, including cloud natural language APIs and Java, JSON, AJAX, SOAP, HTTP/HTTPS, XML, XHTML, TCP/IP, and EDI development services. Our experienced developers can create secure and efficient APIs using these protocols to ensure seamless integration with your existing systems. With Chetu's APIaaS plans, you can quickly and easily deploy custom APIs tailored to your business needs without needing specialized technical knowledge or infrastructure investments. These solutions enable your business to leverage the power of APIs to drive growth and success.

Third-Party API Integrations

We harness the power of popular Microsoft platforms, including Azure, Jitterbit, Dell Boomi, Anypoint, Funnel, and more, adding superior web functionality, API documentation, and integrating disparate business systems with REST APIs and existing applications.

API Maintenance & Support

We provide API maintenance solutions to ensure that everything is running smoothly and securely, developing API architecture encryptions for security, single sign-on capabilities, dashboard controls, RBAC modules, and more.

Cloud Application Programming Interface Development

Chetu provides API compliances for safe and secure cloud API software development. SaaS, IaaS, PaaS, and APIaaS allow Chetu’s developers to ensure users seamless access across all platforms and mobile devices.

Microservices Consulting

We will categorize your current monolithic applications into a broken-down suite of microservices, thus allowing each service to be configured to operate as a unique process and can be modified independently.

Frequently Asked Questions

Custom API development refers to the process of creating application programming interfaces (APIs) that are specifically tailored to meet the unique needs of a business or organization. This process often involves creating APIs that integrate with existing software systems or data sources.

Custom API development can provide several benefits, including improved efficiency and productivity, increased data security, and enhanced customer experiences. By developing customized APIs to your specific needs, you can streamline workflows, automate processes, and provide more personalized services to your customers.

At Chetu, we have expertise in various programming languages and technologies, including Java, Python, .NET, PHP, and more. We choose the best technology stack for your project based on your unique requirements and preferences.

The timeline for custom API development can vary depending on the project's complexity, the number of integrations required, and other factors. However, we work closely with our clients to provide accurate estimates and ensure that projects are completed on time and within budget.

We offer comprehensive support and maintenance services for all our custom API development projects. These services include monitoring, debugging, and optimizing your APIs to ensure they continue performing at peak efficiency over time.

To get started with custom API development services, contact us via the form on our website or call us. Our team of experts will work with you to understand your unique needs and provide a tailored solution that meets your specific requirements.

Extend your API functionality with new and existing third-party systems

Chetu’s been delivering highly secure, scalable, and flexible application programming interface development services to our clients over the last 22 years and have become leading experts in the software development and integration of public APIs, including:

Payment Gateways APIs

Chetu integrates leading payment gateway APIs, such as PayPal, Authorize.Net, and PayU that work with your existing e-commerce storefronts, websites, and social networks, allowing you to process payments quickly & easily.


Shipping Carriers APIs

Chetu offers seamless API integrations with industry-leading shipping carrier APIs for businesses that require custom shipping carrier API integration services, including FedEx, UPS, USPS, and many others.

United States Postal ServiceUnited States Postal Service

SMS & Communication APIs

We seamlessly integrate popular cloud communications platform APIs, like Twilio, Plivo, and Nexmo, connecting existing business systems with communication functionalities using web service API integration.


Social Network APIs

Connect your social network platforms, like your YouTube channel, Facebook page, and Instagram, to your website, e-commerce storefront, and analytics systems using our custom public API integrations.



Connect to new markets, services, and devices. We can help you integrate your API with existing systems or create new extensions using REST, SOAP, XML, or RPC protocols.

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