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API Documentation

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

Around the world in 2026, over 4,834 companies are currently using one or more API Documentation software. Out of these, there are 2,560 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 The Jupyter Notebook with 50.81% of market share, ReadMe with 46.44% of market share, Redocly with 2.69% 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 Research (212), Continuing Education (203), Machine Learning (203).

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

5424

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 2026

Over 5424 companies are using API Documentation tools. The Jupyter Notebook with 50.81% market share (2756 customers), ReadMe with 46.44% market share (2519 customers), Redocly with 2.69% market share (146 customers).

Technology

Market Share (Est.)

Customers

The Jupyter Notebook

50.81%

2756

ReadMe

46.44%

2519

Redocly

2.69%

146

FORTH

0.06%

API Documentation Customers by Employee Size

The majority of API Documentation category falls in the company size of 20 - 49 employees (1102 companies), 10,000+ employees (1045 companies), 100 - 249 employees (985 companies).

Employee Size

API Documentation Customers by Geography

Companies using API Documentation technology software are majorly from the United States with 2560 (59.88%), United Kingdom with 321 (7.51%), India with 312 (7.30%) customers respectively.

Customers

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API Documentation Customers by Industry

Top industries that use API Documentation for Research (212), Continuing Education (203), Machine Learning (203).

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	The Jupyter Notebook	2756	50.81
2	ReadMe	2519	46.44
3	Redocly	146	2.69
4	FORTH	3	0.06

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 The Jupyter Notebook, ReadMe, Redocly. Here, you can view a full list of API Documentation tools in the market.