...
Custom API Development and Integration Services

Custom API Development and Integration Services

Link your apps, websites, databases, and devices. Or extend the capabilities of your existing apps without building
from scratch. Our custom API development services can make this possible.

Home / Expertise / Custom API Development and Integration Services

Trusted API Development Company

We develop and integrate APIs for both existing applications and software we build from scratch.

API Development and Integration Tailored to Your Needs

DevCom builds APIs that work reliably without disturbing your day-to-day operations. To create APIs that fit smoothly into your system, we study your current setup carefully before getting down to the implementation, and adjust our plan if your needs change. We also focus on secure, maintainable code that grows with your business needs.

Professional API Development Services with a Broad Tech Stack

Our team is made up of experienced developers and consultants, proficient in various communication protocols—so there’s no need for a separate SOAP or REST API development company. We use standard technologies like .NET, Java, and NodeJS to make APIs secure and easy to maintain, and document every API with a documentation generation tool—which helps your team work with it efficiently later.

Versatile API Development Services

DevCom caters to API needs across industries with our key focus on bespoke API development. We also handle integration (connecting both new and legacy systems), test and optimize APIs for better performance, and provide clear documentation. Besides this, we can build and integrate APIs on multiple platforms, turning your disparate software stack into a cohesive digital ecosystem.

Budget-Saving Solutions

APIs help cut development and maintenance costs by making your software more flexible and easier to update. Be it API development or integration, DevCom guides you to the right API solutions that unify your systems and let your platform grow without hassle. We focus on affordable, scalable APIs that fit your business budget and plans.

Custom API Development & Integration Services

At DevCom, we provide a full spectrum of API development and integration services to help you link your internal systems,
third-party apps, and websites.
  • icon

    API Development

    DevCom’s bespoke API development securely extends the functionality of your applications with new and existing third-party systems and devices. Using the best development tools, we build high-performance APIs and provide clean and well-structured programming code.
  • icon

    Cloud and Intranet API Development

    We help businesses build, analyze, operate, and scale APIs across different environments. Depending on your security requirements, we can facilitate API management on your premises, through the cloud, or using a hybrid (a combination of on-premises and cloud-based) approach.
  • icon

    Web API Development Services

    As a web API development company, DevCom specializes in building web APIs, enabling your applications to securely connect with web-based databases, online resources, and web platforms. Our web API expertise encompasses both SOAP and REST API development services, ensuring efficient data retrieval and interactions, no matter which systems you need to link.
  • icon

    Serverless API Gateway Development

    With extensive experience in serverless API gateway development, we specialize in creating agile, secure, and high-performance solutions for enterprises. Using cloud platforms like AWS and Microsoft Azure, we deliver tailored serverless APIs that seamlessly integrate with your systems, enabling swift data retrieval and ensuring reliability.
  • icon

    Healthcare and Medical API Development

    DevCom can develop and integrate APIs compliant with healthcare standards, facilitating the secure exchange of medical data, telemedicine, and health monitoring features.
  • icon

    Financial and Payment API Development

    We specialize in building and integrating APIs for secure online transactions, digital wallets, and financial data integration.
  • icon

    E-commerce API Development

    Our experienced team can create APIs specifically designed for e-commerce platforms, enabling features like secure online transactions, inventory management, and order processing.
  • icon

    Data Analytics and Reporting API Development

    We can develop APIs that facilitate the extraction, analysis, and visualization of data, empowering your applications to generate insightful reports and dashboards.
  • icon

    IoT (Internet of Things) API Development and Integration

    DevCom has experience in building IoT APIs and connecting your applications to IoT devices and sensors, allowing you to gather, process, and leverage real-time data for improved decision-making and automation.
  • icon

    Third-Party API Integration

    We integrate third-party APIs to harmonize data and feature sharing in your applications. We specialize in both web and non-web API integration between diverse software components, technologies, and applications, including Google, Yahoo, PayPal, Amazon, social media platforms, messengers, and beyond.
  • icon

    Multi-Platform API Integration

    DevCom is proficient in integrating APIs across multiple platforms, including mobile, web, and desktop applications, ensuring a consistent user experience regardless of the device or operating system.
  • icon

    Legacy System Integration

    DevCom has the capability to integrate modern applications with legacy systems, ensuring a smooth transition to newer technologies while preserving your valuable historical data and processes.
  • icon

    Scalability and Performance Optimization

    DevCom can optimize your APIs to handle increased traffic and data loads, ensuring high performance and responsiveness as your user base grows.
  • icon

    API Testing Services

    DevCom provides comprehensive API testing services—including functional, load, security, and compliance testing—to guarantee your APIs work as intended under various conditions. Our testing services help identify and fix issues early, ensuring smooth and efficient integration and operation of your APIs.
  • icon

    API Documentation and Training

    We provide comprehensive documentation for your APIs and can offer training to your development teams or end-users, ensuring seamless adoption and understanding of the integration process.
Discussion background

Ready to Revolutionize Your Digital Ecosystem
with Powerful APIs?

Unlock the full potential of your software with our expert API development services.

API Development for Various Industries

With over 20 years of experience, DevCom’s skilled team builds APIs designed around your industry’s unique needs. Healthcare APIs secure patient data exchange. Financial APIs handle payment processing safely. E-commerce APIs keep inventory and orders in sync. Manufacturing APIs optimize supply chains and real-time monitoring. And beyond. We deliver smooth API integrations that boost your workflows and help your business grow.

Artificial Intelligence API Solutions

Upgrade your platforms with smart AI features easily, without starting AI development from scratch.

Computer Vision API

Let your systems interpret and analyze visual data, such as images and videos, to recognize objects, faces, text, and scenes.

Speech Recognition API

Enable your platforms to convert spoken language to text and enable voice commands for a hands-free user experience.

Generative AI API

Equip your apps with the power of large language models (LLMs) to create text, images, audio, videos, or code.

Predictive Analytics API

Analyze historical data and identify patterns to forecast future events and trends accurately.

Document Parsing API

Extract structured data from documents like invoices, receipts, or contracts using natural language processing techniques.

Anomaly Detection API

Detect unusual patterns or outliers in financial transactions, authentication behavior, and other digital activity to prevent errors or security risks.

Text API

Process and understand natural language by analyzing, summarizing, or extracting meaning from text.

Why Choose DevCom
Why Choose DevCom

Technologies We Use for API Development

Our goal is to incorporate innovative API development solutions and concepts into every project we tackle, making the most of our skill set.
Our Large Language Model Development Tech Stack

API Case Studies

Our client success stories are the best proof of the quality of our services. See for yourself how reliable and effective our API development is.

What Our Customers Say About Us

Jerry Braccia,
W.J. Deutsch & Sons Lead Designer - Creative Services
"Always satisfied with DevCom's level of service and expertise. They are our go-to development company. Highly recommended!”
Rick Starr,
CEO, The Five Agency, LLC
"DevCom has built the data analysis tool and built out HubSpot integrations, eliminating manual follow-ups. They've also maintained the website, allowing the client to build an API to automate website updates. The team is excellent at projecting timelines and understanding business needs. Their intentionality and thorough understanding of my business impresses me.”
Dion McCormick,
Platform Engineer, GBS Enterprises
"DevCom helped us set up and deploy our systems. They initially set up our AWS environment with a number of tools, including APIs, Lambda functions, and an RDF database. We really like working with DevCom because their team’s proactive and responsive. Their initiative and drive are refreshing.”
Chris Harris,
CEO – TradeWeb, Inc
"DevCom is a TradeWeb, Inc premier business partner in many complicated development tasks. We have been working together for over twenty years. Today, TradeWeb has over fifteen DevCom developers working on various projects and we could not be more pleased with the high quality of work they constantly deliver. We strongly recommend DevCom to any US firm who needs additional programming resources.”
Joao Paulo,
Broadsoft Japan
"DevCom team is very professional. Their communication skills are very good, from finance team to developers, through the project manager. The PM is very competent in addressing issues. I like the way he was able to get to know the problem, analyse it and give rich suggestions and insights on how to approach the development. He is very polite, and calm. I highly recommend DevCom for your next project.”
Stewart Skiff,
Track Systems, Operations Manager
"Our company has had the pleasure of working with DevCom on the development of several software applications over the last 10 years, some quite large. We found that they are very responsive to our needs and compile a quality product on time. We would recommend them to anyone who needs software application development, form Database to web Clients.”
Uffe Kousgaard,
RouteWare, Director
"DevCom has shown a high degree of professionalism in execution of the tasks, they have solved for RouteWare. Project progress has been reported on its way, and budgets have always been kept.”
Reimar Kosack,
Founder & CEO, WWSC
"DevCom is very proactive. Whenever we have an issue, we can reach out to different resources. There was never a case in which I felt like I needed to escalate an issue to a supervisor. We’ve liked working with DevCom.”
Finn Gilling,
Founder & CEO, Gilling/The Human Decision
"DevCom is a very friendly team. They are not tough business people, but actually enjoy what they do. They really have a personal touch. They're not a big organization with many rules.”
Piers Wilson,
SureTrak, Ltd
"They're big enough not to be dependent on our project, but they're also small enough to care about it. DevCom is the right size for a company of our size.”
Lloyd Jackson,
JacksonGas, Founder
"Our company was very satisfied with the DevCom developers. They were timely with their submissions, their work product was very good, and when we needed to work through changes and other issues that inevitably arise as a programming project progresses, they responded promptly and without complaint. They charged a fair price for their services and delivered a product that met our needs.”
Yossi Goldlust,
Founder & CEO, search-massive.com
"I appreciated the collaborative nature of the relationship. Even though DevCom was technically a contractor, and I was just another client for them, I felt a strong personal connection. They were enthusiastic about their work in a way that went beyond just being professional.”
Jerry Braccia,
W.J. Deutsch & Sons Lead Designer - Creative Services
"Always satisfied with DevCom's level of service and expertise. They are our go-to development company. Highly recommended.”
Rick Starr,
CEO, The Five Agency, LLC
"DevCom has built the data analysis tool and built out HubSpot integrations, eliminating manual follow-ups. They've also maintained the website, allowing the client to build an API to automate website updates. The team is excellent at projecting timelines and understanding business needs. Their intentionality and thorough understanding of my business impresses me.”
Steven Lutz
Operations Manager, ReNew Biomedical Services
"DevCom has successfully migrated the client's customer base and service records into the new system. The team delivers items before schedule and has also reduced or eliminated some internal client processes that are prone to mistakes. DevCom works on an agile basis, so continuous feedback is critical to enabling their team to set priorities appropriately and share concerns if needed.”
Chris Harris
CEO – TradeWeb, Inc
"DevCom is a TradeWeb, Inc premier business partner in many complicated development tasks. We have been working together for over twenty years. Today, TradeWeb has over fifteen DevCom developers working on various projects and we could not be more pleased with the high quality of work they constantly deliver. We strongly recommend DevCom to any US firm who needs additional programming resources.”
Joao Paulo
Broadsoft Japan
“DevCom team is very professional. Their communication skills are very good, from finance team to developers, through the project manager. The PM is very competent in addressing issues. I like the way he was able to get to know the problem, analyse it and give rich suggestions and insights on how to approach the development. He is very polite, and calm. I highly recommend DevCom for your next project”.
Stewart Skiff
Track Systems, Operations Manager
"Our company has had the pleasure of working with DevCom on the development of several software applications over the last 10 years, some quite large. We found that they are very responsive to our needs and compile a quality product on time. We would recommend them to anyone who needs software application development, form Database to web Clients".
Uffe Kousgaard
RouteWare, Director
“DevCom has shown a high degree of professionalism in execution of the tasks, they have solved for RouteWare. Project progress has been reported on its way, and budgets have always been kept”.
Reimar Kosack
Founder & CEO, WWSC
“DevCom is very proactive. Whenever we have an issue, we can reach out to different resources. There was never a case in which I felt like I needed to escalate an issue to a supervisor. We’ve liked working with DevCom”.
Finn Gilling
Founder & CEO, Gilling/The Human Decision
"DevCom is a very friendly team. They are not tough business people, but actually enjoy what they do. They really have a personal touch. They're not a big organization with many rules".
Piers Wilson
SureTrak, Ltd
“They're big enough not to be dependent on our project, but they're also small enough to care about it. DevCom is the right size for a company of our size”.
Lloyd Jackson
JacksonGas, Founder
"Our company was very satisfied with the DevCom developers. They were timely with their submissions, their work product was very good, and when we needed to work through changes and other issues that inevitably arise as a programming project progresses, they responded promptly and without complaint. They charged a fair price for their services and delivered a product that met our needs".
Yossi Goldlust
Founder & CEO, search-massive.com
“I appreciated the collaborative nature of the relationship. Even though DevCom was technically a contractor, and I was just another client for them, I felt a strong personal connection. They were enthusiastic about their work in a way that went beyond just being professional”.
Jerry Braccia
W.J. Deutsch & Sons Lead Designer - Creative Services
"Always satisfied with DevCom's level of service and expertise. They are our go-to development company. Highly recommended".

Insights and Innovations in API Development

Our blog gathers all of DevCom's technical knowledge in one place for your convenience.

You can read all about API development there or reach out to us to understand more.

Frequently Asked Questions

API development is the process of creating, designing, and deploying application programming interfaces (APIs). These APIs enable different software applications to communicate with each other, facilitating data exchange and functionality sharing.

An example of an API is the Google Maps API, which allows developers to embed Google Maps on web pages using JavaScript. This API provides access to a wide range of functionalities such as displaying maps, searching maps, and generating directions.

Using APIs offers several business benefits, such as:

  • Improved efficiency: APIs can automate integration between different business systems, reducing manual data entry and increasing automation.
  • Enhanced functionality: Businesses can offer enhanced or new functionality to their existing systems by leveraging third-party APIs.
  • Faster Time to Market: APIs allow for quicker development of quickly evolving external and internal components.
  • Technology modernization: APIs provide a platform for integrating modern solutions with legacy systems and new third-party tools.

APIs are widely used across many industries, but financial services, retail, and e-commerce lead the pack due to the need for seamless online transactions, payment processing, and inventory management. Healthcare is also rapidly adopting APIs for patient data integration and telehealth.

Essentially, any sector focused on automation, data sharing, and digital services benefits greatly from APIs, and DevCom, as your API development service provider, will happily build an API tailored for your niche.

API development typically takes anywhere from a few weeks to several months, depending on the project's complexity and goals. Simple APIs may be built quickly, while more complex ones with multiple integrations, custom features, and rigorous testing require extra time.

The cost of building a custom API can vary widely based on several factors, including the complexity of the API, any custom API development solutions used for building the API, the number of endpoints, the level of security required, and the implementation period. On average, the costs can range from $3,000 to $20,000, but can be higher for more complex solutions.

Absolutely! Since we go beyond API development, we can also integrate APIs with your existing platforms, regardless of their complexity. Our team carefully analyzes your current system and uses the right tools and methods to ensure your new APIs work smoothly with what you already have, unlocking more functionality without disrupting your operations.

Let's Discuss Your API Project

Not sure where to start with your API project? Our API development consultants can help.
We’ll schedule a quick call to explore your ideas and map out the best approach to making your API project a success.