soapui

Install command: 
brew install --cask soapui

Name: SmartBear SoapUI

API testing tool

https://www.soapui.org/

Cask JSON API: /api/cask/soapui.json

Cask code: soapui.rb on GitHub

Current version: 5.9.1

Requirements: macOS >= 10.15

Versions:

Intel tahoe 5.9.1
sequoia 5.9.1
sonoma 5.9.1
ventura 5.9.1
monterey 5.9.1
big sur 5.9.1
catalina 5.9.1

Analytics:

Installs (30 days)
soapui 242
Installs (90 days)
soapui 711
Installs (365 days)
soapui 2,961