Postman vs SoapUI

Postman9.3Visit SoapUI9.0Visit

Higher score Postman #1 in API Testing Tools 9.3/10 Free plan Free plan✓ 6 of 6 features Visit Postman

vs

SoapUI #3 in API Testing Tools 9.0/10 Free plan Free plan✓ 6 of 6 features Visit SmartBear

• Postman fits best

  Teams wanting the broadest mature API test platform

• SoapUI fits best

  Teams testing SOAP, REST, and service performance

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Side by side

Feature	Postman 9.3/10 Visit ↗	SoapUI 9.0/10 Visit ↗
At a glance
Editor score	9.3	9.0
Ranking	#1 in API Testing Tools	#3 in API Testing Tools
Best for	Teams wanting the broadest mature API test platform	Teams testing SOAP, REST, and service performance
Pricing model	Free plan + paid	Free
Starting price	$9/mo	Free
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud, Desktop, Browser extension	Desktop
Platforms	Web, Windows, macOS, Linux, Chrome extension	Windows, macOS, Linux
Support	Tickets, Community, Docs	Community, Docs
Integrations	8 integrations	9 integrations
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features Postman 6/6 · SoapUI 6/6
GraphQL support	✓	✓
SOAP support	✓	✓
Scheduled runs	✓	✓
CI/CD integration	✓	✓
Mock server	✓	✓
Contract testing	✓	✓
Specs
Included requests	Not checked yet	Not checked yet
Our review
Pros	Supports HTTP, GraphQL, gRPC, WebSocket, and MQTT requests Combines functional tests, mocks, specifications, monitoring, and CI/CD Offers web, desktop, extension, and API access across major platforms	Covers REST, SOAP, GraphQL, functional, regression, and performance testing Includes service mocking, contract coverage, assertions, and schema validation Runs locally on Windows, macOS, and Linux with command-line execution
Cons	Advanced governance and audit reporting require the Enterprise plan Team and Enterprise pricing is charged per user Postman is proprietary rather than open source	Desktop-focused rather than a browser-based testing platform Enterprise testing capabilities are provided through separate ReadyAPI products Groovy and JavaScript scripting may require scripting knowledge
Our verdict	Postman is an API platform for developers and teams building, testing, documenting, and collaborating on APIs. Its API Client sends and inspects requests across HTTP, GraphQL, gRPC, WebSocket, and MQTT. Collections bring requests,… Read the review →	SoapUI is an open-source desktop API testing tool for developers and testers working with REST, SOAP, HTTP, and GraphQL services. It is suited to teams that need one application for functional, regression, interoperability, performance,… Read the review →

Strengths and trade-offs

• Postman — where it wins

  • Supports HTTP, GraphQL, gRPC, WebSocket, and MQTT requests
  • Combines functional tests, mocks, specifications, monitoring, and CI/CD
  • Offers web, desktop, extension, and API access across major platforms

  Where it doesn't

  • Advanced governance and audit reporting require the Enterprise plan
  • Team and Enterprise pricing is charged per user
  • Postman is proprietary rather than open source

• SoapUI — where it wins

  • Covers REST, SOAP, GraphQL, functional, regression, and performance testing
  • Includes service mocking, contract coverage, assertions, and schema validation
  • Runs locally on Windows, macOS, and Linux with command-line execution

  Where it doesn't

  • Desktop-focused rather than a browser-based testing platform
  • Enterprise testing capabilities are provided through separate ReadyAPI products
  • Groovy and JavaScript scripting may require scripting knowledge

• Postman9.3/10 · Free plan

  A mature API test platform with broad protocol support and a wide feature set.

  Visit PostmanFull verdict →
• SoapUI9.0/10 · Free plan

  A broad, free API testing desktop tool for functional, contract, performance, and load work.

  Visit SmartBearFull verdict →