Scalar vs Swagger:Which is more popular?

Name: Scalar vs Swagger: Which is searched more?
Creator: Brandwave
License: https://creativecommons.org/licenses/by/4.0/

In September 2026, Swagger had more branded searches than Scalar among API documentation tools worldwide. Swagger had about 15,200 branded searches, while Scalar had 3,010. Swagger made up 18% of all API documentation tool searches we track, and Scalar accounted for 3.6%. When we asked ChatGPT and Google AI Overviews about API documentation tools, both Scalar and Swagger appeared in all five answers. Scalar was mentioned before Swagger in four out of five answers.

Among API documentation tools worldwide in September 2026

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Top API documentation tools in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, both Scalar and Swagger showed up in all five answers. Scalar was listed before Swagger in four of them.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

How many AI answers named each brand
Brand	ChatGPT	Google	Answers that named it
Mintlify	Named in 3 of 3 ChatGPT answers	Named in 2 of 2 Google AI Overviews	5 of 5
Swagger	Named in 3 of 3 ChatGPT answers	Named in 2 of 2 Google AI Overviews	5 of 5
Redocly	Named in 3 of 3 ChatGPT answers	Named in 2 of 2 Google AI Overviews	5 of 5
Scalar	Named in 3 of 3 ChatGPT answers	Named in 2 of 2 Google AI Overviews	5 of 5
ReadMe	Named in 3 of 3 ChatGPT answers	Named in 2 of 2 Google AI Overviews	5 of 5
Docusaurus	Named in 2 of 3 ChatGPT answers	Named in 1 of 2 Google AI Overviews	3 of 5
Stoplight	Named in 2 of 3 ChatGPT answers	Named in 1 of 2 Google AI Overviews	3 of 5
Postman	Named in 0 of 3 ChatGPT answers	Named in 2 of 2 Google AI Overviews	2 of 5
SwaggerHub	Named in 0 of 3 ChatGPT answers	Named in 2 of 2 Google AI Overviews	2 of 5

Mintlify5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Swagger5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Redocly5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Scalar5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
ReadMe5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Docusaurus3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Stoplight3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Postman2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
SwaggerHub2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers

See every answer about API documentation tools

5 answers

Asked ChatGPT
“Which API documentation tool should I use?”
1. 1Mintlify
2. 2Scalar
3. 3ReadMe
4. 4Swagger
5. 5Redocly
Asked ChatGPT
“What are the best API documentation tools?”
1. 1Mintlify
2. 2Scalar
3. 3ReadMe
4. 4Redocly
5. 5Swagger
6. 6Docusaurus
7. 7Stoplight
Asked ChatGPT
“What's the best API documentation tool for developer teams?”
1. 1Mintlify
2. 2Redocly
3. 3ReadMe
4. 4Stoplight
5. 5Scalar
6. 6Docusaurus
7. 7Swagger
Searched Google, AI Overview
“api documentation tools”
1. 1Swagger
2. 2SwaggerHub
3. 3ReadMe
4. 4Mintlify
5. 5Redocly
6. 6Postman
7. 7Scalar
8. 8Stoplight
9. 9Docusaurus
Searched Google, AI Overview
“api docs tool”
1. 1Mintlify
2. 2SwaggerHub
3. 3Redocly
4. 4Postman
5. 5ReadMe
6. 6Scalar
7. 7Swagger

Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.

Is Scalar or Swagger more popular in search?

This chart shows how often people search Google for Scalar and Swagger by name. Each line represents a brand's share of searches for all nine API documentation tools we track, month by month, from English-language searches worldwide.

Scalar and Swagger among API documentation tools worldwide, by month

Month	Docusaurus	Mintlify	Postman	Swagger	Redocly	Scalar	SwaggerHub	ReadMe	Stoplight
Oct 2025	30%	20.1%	20.4%	16.9%	6%	1.8%	3.3%	0.93%	0.58%
Nov 2025	33.3%	18.3%	19.3%	16.6%	5.5%	2%	3.6%	0.86%	0.53%
Dec 2025	34.1%	22.9%	16.2%	15.7%	5.6%	1.8%	2.4%	0.84%	0.48%
Jan 2026	33.2%	22.3%	16.6%	15.9%	5.4%	2.1%	3%	0.89%	0.55%
Feb 2026	25.2%	20.8%	21.9%	18%	6.2%	2.9%	3.4%	1.1%	0.66%
Mar 2026	26.7%	22%	19%	18.4%	6.6%	2.9%	2.9%	0.95%	0.6%
Apr 2026	26.8%	27%	19.1%	15.7%	5.4%	2.4%	2.4%	0.83%	0.5%
May 2026	27%	22.3%	19.2%	17.9%	6.6%	3%	2.4%	0.92%	0.61%
Jun 2026	32.6%	26.8%	16.3%	14.4%	4.4%	2.5%	1.9%	0.76%	0.43%
Jul 2026	25.9%	26.1%	19.3%	17.1%	5.2%	2.9%	2.3%	0.78%	0.42%
Aug 2026	31%	25.5%	18%	14.9%	5.1%	2.8%	1.8%	0.62%	0.3%
Sep 2026	26.2%	21.6%	20.7%	18%	6.4%	3.6%	2.2%	0.95%	0.39%

How has the Scalar and Swagger comparison changed over the last 12 months?

3 findings

Swagger was ahead of Scalar in every measured month of the 12 months ending September 2026.
Across the 12 months ending September 2026, Scalar’s share of searches among API documentation tools worldwide moved from 1.8% to 3.6%, and its estimated monthly branded searches moved from 2.4K to 3K.
Across the 12 months ending September 2026, Swagger’s share of searches among API documentation tools worldwide moved from 16.9% to 18%, and its estimated monthly branded searches moved from 22.8K to 15.2K.

How did search popularity change for API documentation tools worldwide in September 2026?

2 changes

In September 2026, Swagger gained share of searches among API documentation tools worldwide, from 14.9% to 18%.
In September 2026, Scalar gained share of searches among API documentation tools worldwide, from 2.8% to 3.6%.

How are branded searches counted?

8 search terms

Brandwave collects information about searches that people make online using Scalar’s and Swagger’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.