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Award-Winning API star star star star star Development star star star star star Services

Partner with Binary Studio to build an API strategy that optimizes cost and improves access without compromising security. We ensure your APIs perform reliably and scale with your business from 100 users to 10,000 and more.

  • microsoft
  • mongoDb
  • aws
  • 100+

    Delivered projects

  • 19+

    Years of business excellence

  • 4.9

    Review rate on Clutch

  • clutch reviews

Why choose API developers from Binary Studio


Top 0.5% engineering talents

At Binary Studio, we rigorously select candidates who are at the top of their game. Moreover, we’re committed to continuously training our specialists and building a culture of knowledge sharing that allows us to maintain a high standard of quality.

Expertise in API development

If you’re looking for an experienced API development company, Binary Studio has been working with APIs from the moment they were introduced in the tech world. Our engineers know what makes for robust and scalable API design and architecture.

Unparalleled API security

Access control and activity monitoring are essential for the security of APIs. Our engineers adhere to the best security practices throughout the API lifecycle to make sure that the final product isn’t vulnerable to any threats.

Smart API scaling

When building APIs for any platform, we are keeping flexibility and modularity in mind so that it’s easy to scale the solution at any given moment. You can rest assured that the development will adjust to your growing needs.

Fast kick-off of your development project

Upon discussing your needs and requirements, we can build a dedicated team or provide you with developers in just 2 weeks or even faster. We value your time and are committed to bringing fast results without compromising the quality.

Loyalty and long-lasting cooperation

Many of our clients stay with us for the stages of software maintenance and return to us with other projects. Whether you need API development or other services, we strive to understand your business and build long-lasting relationships.

Our API development services


API consulting

We’ll help you get a clear understanding of what an API can help achieve for your business and how it will be integrated into your tech stack. We’ll also consult you on the technologies needed to build an API and the process of development.

API design and architecture

Our team of API developers will ensure consistent and robust architectural decisions when designing your solution. We’ll provide you with a secure and scalable API design so that it’s easy for you to use and plan future improvements.

Custom API integration

Based on your business requirements, we’ll develop an API and integrate it into your systems and services. Regardless of the type of API you need and the different services you’re using, we’ll ensure smooth and secure implementation.

API testing

Our QA specialists are well-versed in API integration testing. Using both manual and automated testing, we’ll guarantee that your final solution meets expectations for functionality, performance, and security.

The process of API development

As an API development agency, we’re usually going through the following steps to deliver a final product:

Icon Icon Icon Icon
1 Analyzing business requirements We’ll discuss the type of API service you need and your particular use cases to understand what technologies to utilize, what specialists to allocate for your project, and what will be the scope of work. 1-2 weeks
Team member Team member

Head of PMO

Senior Full Stack Engineer

2 Providing a development team Based on the requirements and agreed scope of work, we’ll provide you with the best API engineers. We can also build a whole team with a solution architect, developers, and testers for your project. 3-6 weeks
Team member Team member

Project Manager

Senior Full Stack Engineer

3 Developing and testing an API Once the team is ready, we’ll build an API that functions as expected for your business. Our specialists will deliver an API that responds fast, has smart authentication rules, and can easily be scaled. 3-6 months
Team member

API Development Team

4 Scaling an API upon demand After the development and release, you can request changes to the API based on your needs. Designed with the auto-scaling setup and flexibility in mind, your API can quickly increase its capacity or get other improvements. Ongoing
Team member

API Development Team

Need an API to share and control data?

Let’s discuss your API development needs

Customer Success Stories

Industries that might benefit from API development



In the financial sector, APIs can be used to personalize user experiences and easily integrate payments into different systems. Banking APIs have already gained wide adoption, and there are many opportunities to improve fintech operations with custom APIs.

Real estate

Proptech businesses can greatly benefit from API development to gain market insights from various sources of real-time property data. APIs can also help them automate some workflows related to the gathering and analysis of information.


Green technology has a lot of use cases for APIs when companies need to access and analyze third-party data related to emissions or weather forecasts. API customizations and custom development can improve the efficiency of greentech businesses.


APIs can be adopted in the healthcare setting to customize the way an organization works with medical records and other electronic health data. While there are many open APIs used in the domain, custom APIs will help healthcare providers get more from their software tools.

Looking to build a scalable and secure API?

We’re here to help you build a custom API for any service

What our clients say

One thing that continues to impress us is the exceptional quality of engineers that Binary Studio is able to provide us
Mark Volkmann - CEO /
Massage Book
Binary Studio has really been pivotal in FanAngel's success
David Burton - CEO /
Binary Studio is an ideal software development partner and our experience working with them has been fantastic
Pascal Desmarets - Founder & CEO /
Mark Volkmann
Mark Volkmann
CEO / MassageBook
Charleston, SC Charleston, SC
David Burton
David Burton
CEO / FanAngel
San Luis Obispo, CA San Luis Obispo, CA
Pascal Desmarets
Pascal Desmarets
Founder & CEO / Hackolade
Brussels, Belgium Brussels, Belgium

When you might need API development services


When you need to access data from different sources

With a custom-built API, you can send requests to access the data from third-party servers, as well as connect different software components you’re using internally. This helps have unified access to valuable data.

When you need to connect applications used by your business

With custom API development, you can bring any software applications together and create new functions that connect different programs used by the employees or customers of your company.

When you want to provide new services to customers

If you want to offer your customers certain features that require access to and analysis of data, and it’s not possible to do so within your existing systems, developing an API service can be a great choice.

API development service FAQ

  • What is an API?

    An API (application programming interface) is software that connects several systems to exchange data. It’s not a database in itself but allows connecting to various databases and data points. Most APIs allow integration with cloud services. APIs can perform a range of functions when it comes to bringing different software components together and creating a custom logic for extracting and sharing certain data from various services.

  • Do I need a custom API?

    There are many public APIs used by businesses (those that offer out-of-the-box connections), as well as prebuilt APIs that can be customized. The major advantages of developing a custom API include a higher level of security, flexibility, and scalability. Besides, public APIs will have a higher user load and in case of errors and outages, you won’t have any control over how and when the problem is fixed. With a custom-built API, you’ll be in control of its usage and can have a team that will provide ongoing support to ensure its smooth performance at any given moment.

  • What developers do I need to build an API?

    Depending on the complexity of the project and the services you want your API to integrate with, you might need several engineers or a whole team consisting of a solution architect, developers, testers, and other specialists. When searching for API development solutions, you can hire engineers to extend your internal team or go for a dedicated team model where everything is covered by the provider company.

  • How to find the right API development company?

    When searching for development services, trust a company with extensive experience in the field and check if it has similar projects in the portfolio. Also, learn about the collaboration models and communication tools offered by a development company to make sure that the process is convenient for you. At Binary Studio, we’re not just focusing on maintaining technical expertise but are always engaged in the products we’re building. Our developers will research the whole context of the business’ tech stack and operation to have a better understanding of what technical solutions will work best.

  • Do I need API documentation?

    API documentation is a crucial aspect of API development services, so make sure to discuss it with your development company. API documentation explains how to use an API and its services, making it easier for your developers to understand how an API is integrated into other systems you’re using, how the data is shared, etc.

Ready to build an API?

Book a free consultation to discuss your idea:

  • We’ll analyze your requirements
  • We’ll provide you with the best API developers
  • You’ll be overseeing the development process
Edward Robe
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We will get back to you as soon as possible

Ready to build an API?

What makes for a high-quality API service

Here are the major things to ask your development company about and control in the process of building an API:

Smart permissions

An API should have authentication rules to prevent unauthorized access and exposure to cyber threats. The best practices that ensure secure access to APIs include OAuth2 and API keys to manage access among different users.

Data encryption

Since APIs are all about accessing and sharing data, it’s crucial to protect data that is transmitted between a server and a user. An experienced API development company will use cryptographic protocols to encrypt API traffic.

Performance monitoring

To track the usage of your API service, you might need to have a logging and analytics system in place. With it, you’ll be able to evaluate API’s performance, error rates, and usage volume to understand its efficiency and make improvements.

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