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API Documentation

Q: How many companies use API Documentation software these days?

Around the world in 2025, over 3,853 companies are currently using one or more API Documentation software. Out of these, there are 2,255 companies using API Documentation tools that are originally from the United States.

Q: Which company has the most significant market share in the API Documentation software space?

The top few companies that have the most significant market share in the API Documentation space are ReadMe with 62.74% of market share, The Jupyter Notebook with 36.03% of market share, Redocly with 1.11% of market share. Check for other API Documentation technologies market share here.

Q: What are the top industries that usually use API Documentation softwares?

The top industries that use API Documentation software are Machine Learning (192), Artificial Intelligence (153), Saas (129).

Gain market share and customer base information about the top API Documentation software. Check out our list of API Documentation Software, analyze them by marketshare, region, company size along with information about competitors, prospects, tech stacks, funding information, contract renewal dates and more.

Technologies Tracked

4407

Companies Tracked

Categories related to API Documentation

Libraries And Widgets

Game Development

Software Development Services

Programming Framework

Other Dev Tools

Top 5 API Documentation technologies in 2025

Over 4407 companies are using API Documentation tools. ReadMe with 62.74% market share (2765 customers), The Jupyter Notebook with 36.03% market share (1588 customers), Redocly with 1.11% market share (49 customers).

Technology

Market Share (Est.)

Customers

ReadMe

62.74%

2765

The Jupyter Notebook

36.03%

1588

Redocly

1.11%

FORTH

0.11%

API Documentation Customers by Employee Size

The majority of API Documentation category falls in the company size of 20 - 49 employees (1046 companies), 100 - 249 employees (736 companies), 0 - 9 employees (550 companies).

Employee Size

API Documentation Customers by Geography

Companies using API Documentation technology software are majorly from the United States with 2255 (63.20%), United Kingdom with 266 (7.46%), Canada with 212 (5.94%) customers respectively.

Customers

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API Documentation Customers by Industry

Top industries that use API Documentation for Machine Learning (192), Artificial Intelligence (153), Saas (129).

Customers

Market Share for Top API Documentation Technologies

Analyze the market share of popular API Documentation technologies along with information about competitors, prospects, tech stacks, funding information, contract renewal dates and more

Ranking	Technology	Customers	Market share(Est.)(%)
1	ReadMe	2765	62.74
2	The Jupyter Notebook	1588	36.03
3	Redocly	49	1.11
4	FORTH	5	0.11

FAQ

Find answers to the most often asked questions by users.

Who are the top API Documentation software market leaders?

Top leaders in the category for API Documentation software are ReadMe, The Jupyter Notebook, Redocly. Here, you can view a full list of API Documentation tools in the market.