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Head-to-head · API Testing Tools

SoapUI vs Schemathesis

  • Updated Oct 2026
  • Both researched from official sources
  • 7 checks side by side
Higher score SoapUI #3 in API Testing Tools 9.0/10 Free plan Free plan✓ 6 of 6 features Visit SmartBear
Schemathesis #8 in API Testing Tools 8.5/10 Free plan Free plan✓ 4 of 6 features Visit Schemathesis

SoapUI leads on 0 checks, Schemathesis on 0, and 7 are even. Who comes out ahead on the 7 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSoapUI · 9.0/10
  • Free planboth
  • Most featuresSoapUI · 6 of 6

SoapUI scores higher on our rubric for api testing tools: 9.0 against 8.5 out of 10; our editors rank them #3 and #8.

SoapUI is the better fit for teams testing SOAP, REST, and service performance. Schemathesis is the better fit for schema-driven teams needing property-based testing.

  • SoapUI fits best

    Teams testing SOAP, REST, and service performance

  • Schemathesis fits best

    Schema-driven teams needing property-based testing

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Side by side

Feature SoapUI 9.0/10 Visit ↗ Schemathesis 8.5/10 Visit ↗
At a glance
Editor score 9.0 8.5
Ranking #3 in API Testing Tools #8 in API Testing Tools
Best for Teams testing SOAP, REST, and service performance Schema-driven teams needing property-based testing
Pricing model Free Free
Starting price Free Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop Self-hosted
Platforms Windows, macOS, Linux Windows, macOS, Linux
Support Community, Docs Email, Community, Docs
Integrations 9 integrations 5 integrations
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features SoapUI 6/6 · Schemathesis 4/6
GraphQL support ✓ ✓
SOAP support ✓ (best) Not checked yet
Scheduled runs ✓ ✓
CI/CD integration ✓ ✓
Mock server ✓ (best) Not checked yet
Contract testing ✓ ✓
Specs
Included requests Not checked yet Not checked yet
Our review
Pros
  • 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
  • Generates property-based tests from OpenAPI and GraphQL schemas
  • Supports stateful workflows and adaptive testing based on responses
  • Provides CI baselines, failure replay, and extensive report formats
Cons
  • 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
  • Self-hosted only, with no hosted service
  • Does not include a mock server
  • Requires schemas and technical setup for effective use
Our verdict

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 →

Schemathesis is an open-source API testing tool for developers and quality teams working with OpenAPI or GraphQL schemas. It generates property-based test cases, sends them to an API, and checks responses for server errors, schema…

Read the review →
  1. SoapUIAPI Testing Tools 9.0Free plan
  2. SchemathesisAPI Testing Tools 8.5Free plan

Strengths and trade-offs

  • 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

  • Schemathesis — where it wins

    • Generates property-based tests from OpenAPI and GraphQL schemas
    • Supports stateful workflows and adaptive testing based on responses
    • Provides CI baselines, failure replay, and extensive report formats

    Where it doesn't

    • Self-hosted only, with no hosted service
    • Does not include a mock server
    • Requires schemas and technical setup for effective use

More comparisons

All API testing tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update