Brandwave

Postman vs SoapUI:Which is more popular?

In September 2026, SoapUI had more branded searches than Postman among API development tools worldwide. SoapUI had about 27,100 branded searches, while Postman had 17,500. SoapUI made up 18.3% of all API development tool searches we track, and Postman accounted for 11.8%. When we asked ChatGPT and Google AI Overviews about API development tools, Postman appeared in all five answers and SoapUI in two. Postman was mentioned before SoapUI in every answer.

Among API development tools worldwide in September 2026

Who do people search for more?

SoapUI, about 55% more searches than Postman

SoapUI 27.1K searchesPostman 17.5K searches

Who does AI mention more?

Postman, mentioned in every answer we collected

Postman in 5 of 5SoapUI in 2 of 5

Who does AI recommend more?

Postman, named ahead of SoapUI in every answer

Postman first in 5SoapUI never first

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Top API development tools in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Postman appeared in all five answers. SoapUI was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Postman was listed before SoapUI in every answer.

Most recommended by AI

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

  1. Postman1st
  2. Insomnia2nd
  3. Bruno3rd
  4. Swagger4th
  5. Stoplight5th
  6. Hoppscotch6th
  7. k67th
  8. SoapUI8th

Mentioned by AI

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

  • Postman5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Insomnia5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Bruno4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Swagger3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • k62 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • SoapUI2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Hoppscotch2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Stoplight2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers

See every answer about API development tools

5 answers

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

Is Postman or SoapUI more popular in search?

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

Postman and SoapUI among API development tools worldwide, by month

Share of searches by month for SoapUI, Postman. The figures are in the table below the chart.

View monthly share of searches table
Monthk6SoapUIPostmanSwaggerHoppscotchStoplightBrunoInsomnia
Oct 202541.5%28.7%16%13.2%0.23%0.28%0.02%0.01%
Nov 202545.7%25.9%15%12.9%0.2%0.25%0.02%0.01%
Dec 202545%25.4%14.8%14.3%0.25%0.25%0.02%0.02%
Jan 202649.3%22.8%13.9%13.4%0.27%0.27%0.03%<0.01%
Feb 202648.2%22.3%15.8%13%0.26%0.26%0.03%0.02%
Mar 202645.2%25.3%14.7%14.2%0.37%0.24%0.02%0.02%
Apr 202648.2%22.3%15.8%13%0.32%0.22%0.02%0.01%
May 202650.2%23.2%13.5%12.6%0.34%0.18%0.03%<0.01%
Jun 202650.2%22.9%14%12.4%0.27%0.18%0.03%<0.01%
Jul 202652.4%19.6%14.6%13%0.28%0.19%0.02%<0.01%
Aug 202653.6%20%14.2%11.8%0.29%0.16%0.03%<0.01%
Sep 202659.1%18.3%11.8%10.3%0.26%0.14%0.02%<0.01%

How has the Postman and SoapUI comparison changed over the last 12 months?

3 findings
  • SoapUI was ahead of Postman in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Postman’s share of searches among API development tools worldwide moved from 16% to 11.8%, and its estimated monthly branded searches moved from 27.6K to 17.5K.
  • Across the 12 months ending September 2026, SoapUI’s share of searches among API development tools worldwide moved from 28.7% to 18.3%, and its estimated monthly branded searches moved from 49.5K to 27.1K.

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

2 changes

  1. In September 2026, Postman lost share of searches among API development tools worldwide, from 14.2% to 11.8%.

  2. In September 2026, SoapUI lost share of searches among API development tools worldwide, from 20% to 18.3%.

How are branded searches counted?

3 search terms

Brandwave collects information about searches that people make online using Postman’s and SoapUI’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.

Postman

2 branded search terms

  • postman api
  • postman app

SoapUI

1 branded search term

  • soapui

How the Brand Demand Index is measured

Other head-to-heads among API development tools

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