API Development and Integration Services

Connect your business apps and systems to drive efficiency and gain valuable insights

Leading Experts in API Design and Implementation

API development and integration services, which Velvetech has been providing for more than 15 years, help companies ensure connectivity across various business applications. Providing vast opportunities for data analysis, API implementation elevates the decision-making process to a whole new level.

APIs that we design fulfill a wide range of business requirements to work with any type of app and unlock vast opportunities

Partner Apps
Consumer Apps
Enterprise Apps
Leading Experts in API Design and Implementation

Cloud-based APIs deliver high efficiency and set the ground for upgrading legacy applications and integrating IoT systems

Cloud Apps
Legacy Apps
IoT Apps

End-to-End API Development Services

Velvetech has honed its skills in API development and third-party API integration to support businesses with extensive expertise. From design and testing to deployment and management, our team focuses on delivering secure, scalable, and easy-to-use API solutions.

API Consulting

Based on our experience and the analysis of your case, our team will help you build the right API strategy to address your business goals. Whether you need assistance with API development, integration, or management — we’re ready to support you with our API consulting services.

Custom API Development

Providing custom API development services, Velvetech applies the best tools and practices to help businesses unlock the potential of API integrations. Years of expertise allow us to build API solutions to exchange data and functionality easily and securely, ensuring applications connectivity.

Third-Party API Integration

Leverage our custom API integration services to streamline your business operations and enhance customer experience. Expand your software capabilities with open-source or third-party tools, including payment gateways, web platforms, maps, and social networks.

API Testing Automation

Our API development services comprise API testing automation to deliver utmost efficiency. With the use of powerful testing platforms, our developers and QA engineers thoroughly check the API functionality, reliability, and security and ensure its maximum performance in production.


Types of APIs We Develop

We drive the development of all API types to address the varied business needs of our clients. Each kind of API is designed to facilitate quick and easy access to the app data, business logic, and functionality.

Public APIs

Great for open and easy use by any business

Partner APIs

Perfect to streamline specific B2B operations

Internal APIs

Private access and use within the enterprise

Composite APIs

A mix of several types for maximum efficiency

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Concepts of API Development We Apply

With extensive experience in API software development, our team elaborated robust concepts to facilitate the implementation and integration processes while delivering a tailored approach to each particular client.

Automated Testing Frameworks

Performing automated API testing to ensure the utmost functionality and security while eliminating all possible errors.

Network Scalability and Availability

Focusing on the core components of an API architecture to provide high scalability along with maximum app’s efficiency.

Database Management and Transformation

Using tried and tested database management tools to run data rules, import and export data mapping, and execute reports.

Cybersecurity and Data Backup Practices

Bolstering API security by applying modern methods designed to defend data against malicious traffic and attacks.


Driving Maximum of API’s Efficiency

Velvetech has supported numerous enterprises’ API-led digital transformation initiatives. Thus, we understand the significance of this technology as a linchpin to the digital success of businesses. Focusing our efforts to deliver personalized customer and partner experiences, we help companies from different industries benefit from API development.

  • Delivering effective performance that scales during peak traffic
  • Building API-driven applications, low-code & no-code platforms
  • Using best practices in testing APIs to make sure it meets required functionality, reliability, and performance
  • Performing security and penetration testing to validate all types of authentication
  • Ensuring AWS availability commitment for EC2 at 99.95%
  • Protection from DDoS/hacker attacks
  • Providing exhaustive API documentation for the ease of use
  • Integrating API management platforms with APIs to collect usage statistics, monetize APIs, and protect them from crashing due to a high number of requests
High-Level API Architecture
Our Tech Stack

Technologies We Use

Core Technologies

  • .NET
  • Node.js
  • GraphQL
  • Amazon Lex
  • Kubernetes

Programming Languages

  • C#
  • JavaScript
  • PHP
  • Python

API Protocols & Architectures

  • REST
  • RPC
  • SOAP
  • Microservices
  • Low-code and No-code platforms

Types of Authorization

  • Basic Auth
  • OAuth
  • OpenID
  • SAML
  • TLS
  • JWT

Benefits of API Development

Improved Efficiency

API provides increased opportunities for faster software deployment and automation. Instead of creating a new solution from scratch, API implementation allows businesses to leverage existing functionality, thus improving the overall efficiency.

Reduced Time to Market

Since using APIs decreases application development efforts, it requires fewer resources involved in the project implementation. As a result, businesses can deliver new functionality faster, reducing time to market and saving development costs.

Enhanced Customer Experience

Embracing custom API integration, companies can gain valuable insights about users and create new and effective ways to engage customers. APIs allow businesses to come up with enhanced functionality and new services that improve customer experience.

Better Systems Connectivity

Siloed environments and disjointed systems slow down business processes and interactions. API offers better software connectivity, leading to smooth and easy data exchange and improved transparency of the company’s internal workflows.

Our partners

Who Makes Us Stronger

Thinking About API Outsourcing?

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Pursuing Perfection in API Development Services

Being well versed in building a wide range of custom software solutions, Velvetech knows the value of APIs for expanding software capabilities. Thus, we help companies across various industries adopt tech solutions and connect systems to achieve utmost efficiency.

There is a significant shift in the importance of API development and its integration into software projects. Our team strives to support business initiatives in improving their performance, services, and customer experience through leveraging API technologies.

  • Industry Expertise
  • Tailored Approach
  • Security and Compliance
  • Process Transparency
  • Accelerated Time-to-Market
case studies

Intelligent Trading Platform Development and Modernization

Velvetech increasingly improved the functionality of the trading platform and built an iOS mobile app to provide a full experience for the users. Besides implementing core features, we developed an API engine that allows other platforms to get real-time market data or forecast stock trends.

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case studies

VoIP Platform Integration with Salesforce CRM

Velvetech supports the Client by connecting the cloud telephony they use with a Salesforce CRM to provide outstanding services and win more customers. With the use of API, we ensured that agents could access all call metadata during and after communication right in the CRM.

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case studies

IoT System for Fitness Studio Automation

The IoT system designed by our team helped a client automate their fitness studio and enhance customer experience. All parts of the framework — treadmills, web & mobile apps, a CRM platform, and POS — are connected with APIs.

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case studies

Onboarding & Underwriting App for a Healthcare Company

Velvetech helps a HealthTech startup facilitate onboarding and underwriting processes for dental practices joining the company’s platform. Our team developed a cloud application that comprises a scoring engine and connects to several verification services via APIs.

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case studies

In-House Software for Market Data Processing

Our team implemented a desktop app for traders and a market data filtering and scanning tool to enhance the functionality of the platform. On top of that, we integrated it with the OPRA data feed using their API to extend access to various market data.

case studies

Website Integration with Brokers’ Trading Platform

Velvetech refurbished the website for one of our clients and integrated it with a third-party API — Interactive Brokers. The changes provided more opportunities for investors to create a bespoke mechanical investment strategy and pilot it over the long term.

What Our Clients Say

I have been working with Velvetech since 2012. I was looking for a local development team able to produce quality financial software products, and I am very glad that I’ve met Velvetech. We have successfully implemented and deployed to production several financial applications. It is a pleasure to work with Veltetech team. I would highly recommend them as a reliable software development partner.

Vlad Karpel
Vlad KarpelTradespoon

We had to have a software development partner, largely because we did not have all the capabilities internally. But as we picked that, we had to have somebody that could work at our pace and our speed. And that is where Velvetech came in. They have been amazing in enhancing our team every step of the way, adding capability. And they really do feel like a part of Insureon.

Ted Devine
Ted DevineCEO, Insureon

Velvetech was recommended to us by a friend who had worked with them in the past. Wow did we get lucky! Since 2005, Velvetech has been solid as a rock for us in our various product launches, maintenance, and enhancements. Yuri and Velvetech have played a critical role in the success of our business, and we are thankful each day that we chose the right path!

Greg Gorman
Greg GormanESGI, LLC

Finding a development partner that we could trust to do things on time and properly was a major key for us. Velvetech grasped our needs almost immediately and was willing to work on other projects for us as well to make sure our integration was as seamless as possible. The enhanced tracking we can now do with call analytics, call recordings, and the new SMS tracking feature — allows us to have much more visibility into the success of our employees and helps us quantify campaigns better, which is very helpful.

Stephen Taylor
Stephen TaylorHarbour Capital Corporation

I’ve been working with Velvetech for about twelve years. I hired this firm to create some simple code for me, which grew into website development and our first mobile app. Velvetech is a one-stop shop for everything relating to the web… social media, mobile apps, websites. With their professionalism, expertise, and enthusiasm, Velvetech has grown to be an extension of my department. They’re always two steps ahead of me, which is invaluable.

Anne Hedrich
Anne HedrichApache Corporation

Velvetech recently assisted Healix with the software development and release of our online ordering system. The Velvetech team was focused and professional, consistently ensuring on time deliverables, which is crucial in our healthcare business. Velvetech provides professional service and an excellent customer experience. We gladly recommend their services.

Mark Winters
Mark WintersHealix, Inc.

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