Computers and Technology

How Much Does It Cost to Develop an API?

APIs have become a common process element in the Software development process.

As the Software development market grows further, the demand for scalable and adaptable APIs will increase alongside.

Taking the numbers, the global API market is projected to grow at a CAGR of 25.1% from 2022 to 2027.

A booming SaaS market is a potential driving component for an increasing essence of API in the technology developments that will occur in the upcoming years.

Business leaders are taking initiatives to extend their organizational capabilities with digital transformation.

Web and mobile app development firms are adopting APIs to amplify the results in terms of time, speed, and efficiency.

Companies are on the usage of AI, ML, and analytics backed by a high-scale implementation of APIs.

This blog post will provide you an insight into the cost to build APIs.

Cost to Build Different Types of APIs

There are four types of APIs.

  • Public API

This type of API is built considering a streamlined strategy around a business campaign. API development companies also monetize these APIs.

The cost to build public APIs may fall anywhere between $10,000 to $25,000.

  • Private API

This type of API is used for rebuilding or enhancing internal development architecture.

The cost to create APIs ranges between $15,000 to $30,000.

  • Partner API

Development companies create and use this type of API for strengthening their digital partnerships with customers.

The cost to develop partner APIs may estimate from $10,000 to $30,000.

  • Composite API

Composite APIs are responsible for managing complex and diverse functionalities. This type of API are particularly used to optimize high performance and productivity.

The cost to create composite APIs ranges from 15,000 to $25,000.

Different Components of API Development Cost

  • Validation

Once you have an idea, you would want to validate it on all possible standards of usability and performance.

The API development company you work with shall help you validate your API vision.

It may take anywhere between $5,000 to $10,000 to validate your API idea.

  • Documentation

API document is another crucial part of the process. It requires the API writers to document everything fundamental related to their APIs.

API documentation may cost anywhere between $5,000 to $10,000.

  • Development

Clients may need to invest anywhere between $15,000 to $40,000 to develop APIs.

  • Security

API security is crucial when it comes to sustaining the results in the long run.

Businesses may save around $10,000 to $30,000 to keep up with the security needs of their APIs.

  • Testing

You can test your APIs’ performance by running independent test cases either through manual or automated processes.

There are several frameworks available to allow API developers to bring the best of their development in real-time processes.


Using APIs increases productivity, and personalization, and streamlines the overall development process.

Every web and mobile app development company is using APIs to make the development process and deliveries more productive. To understand the basics of the process, you can read our guide to API development.


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