Best SoapUI Alternatives in 2026
The top SoapUI alternatives are Postman, Apidog and Karate: 15 API testing tools our editors would look at instead of SoapUI, in our ranking order.
SoapUI: A broad, free API testing desktop tool for functional, contract, performance, and load work. Where it falls short: desktop-focused rather than a browser-based testing platform.
Switching from SoapUI? For most api testing tools buyers the best SoapUI alternative is Postman, built for teams wanting the broadest mature API test platform. On a budget, Bruno starts at $6/user/mo.
Why People Look for a SoapUI Alternative
- 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
Quick Picks by What You Need
- Best overallPostman9.3
Teams wanting the broadest mature API test platform
Visit Postman - Lowest priceBruno8.6
Paid plans from $6/user/mo
Visit Bruno - Best free optionPostman9.3
Has a free plan
Visit Postman
All 15 SoapUI Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forTeams wanting the broadest mature API test platform
- Better than SoapUI:
- Editor score 9.3 vs 9.0
A mature API test platform with broad protocol support and a wide feature set.
- Scheduled runs
- SOAP support
- Mock server
9.3/10★★★★★Visit Postman -
Best forTeams needing broad API design and testing coverage
- Better than SoapUI:
- Editor score 9.2 vs 9.0
A broad API toolkit for teams that need design, testing, automation, and documentation together.
- Scheduled runs
- SOAP support
- Mock server
9.2/10★★★★★Visit Apidog -
Best forEngineering teams building automated API test suites
A broad, automation-focused API framework with a valuable free tier and paid tooling add-ons.
- Scheduled runs
- SOAP support
- Mock server
8.9/10★★★★☆Visit Karate -
Best forEnterprises needing premium all-in-one API testing
A broad API testing suite for enterprises that need security, performance, and virtualization.
- Scheduled runs
- SOAP support
- Mock server
8.8/10★★★★☆Visit ReadyAPI -
Best forDevelopers needing a flexible open-source API client
A flexible, open-source API client with broad protocol support and CLI automation.
- SOAP support
- Mock server
- GraphQL support
8.7/10★★★★☆Visit Insomnia -
Best forOpen-source teams wanting a modern API client
A capable open-source API client for Git-based testing and CI workflows.
- Scheduled runs
- Mock server
- Contract testing
8.6/10★★★★☆Visit Bruno -
Best forSchema-driven teams needing property-based testing
A schema-driven API testing tool for property-based and stateful coverage.
- Scheduled runs
- Contract testing
- GraphQL support
8.5/10★★★★☆Visit Schemathesis -
Best forCI-focused teams needing broad pipeline support
A flexible, CI-ready API testing framework for teams that manage their own infrastructure.
- SOAP support
- Contract testing
- GraphQL support
8.4/10★★★★☆Visit Step CI -
Best forTeams wanting AI-generated tests from recorded traffic
A broad API testing toolkit for turning specifications and traffic into editable test suites.
- Mock server
- Contract testing
- GraphQL support
8.3/10★★★★☆Visit Keploy -
Best forOpenAPI teams needing validation proxies and mocks
A focused open-source choice for specification-driven mocks, validation, and contract testing.
- Mock server
- Contract testing
- CI/CD integration
8.1/10★★★★☆Visit Stoplight -
Best forTeams focused specifically on contract testing
A focused open-source choice for consumer-driven contract testing.
- Mock server
- Contract testing
- GraphQL support
8.0/10★★★★☆Visit Pact -
Best forOrganizations managing contract testing at scale
A feature-rich contract-testing platform for teams that need centralized control.
- Mock server
- Contract testing
- CI/CD integration
7.9/10★★★★☆Visit PactFlow -
Best forJava teams testing service ecosystems and integrations
A broad, Java-centered framework for testing APIs, messages, contracts, and service integrations.
- SOAP support
- Mock server
- Contract testing
7.8/10★★★★☆Visit Citrus -
Best forTeams needing hosted scheduled API monitoring
A focused hosted option for scheduled API checks, deployment tests, and team alerts.
- Scheduled runs
- CI/CD integration
7.7/10★★★★☆Visit Assertible -
Best forCLI-first teams testing HTTP APIs in CI
A focused open-source CLI for plain-text API tests and CI/CD execution.
- SOAP support
- GraphQL support
- CI/CD integration
7.6/10★★★★☆Visit Hurl
SoapUI Alternatives: Common Questions
What is the best alternative to SoapUI?
Postman: #1 in our API Testing Tools ranking, with an editor score of 9.3 out of 10. A mature API test platform with broad protocol support and a wide feature set.
Is there a free alternative to SoapUI?
Yes. Postman, Apidog, Karate, Insomnia and Bruno have a free plan or a free tier (14 of the 15 alternatives on this page).
What is the cheapest paid alternative to SoapUI?
Of the alternatives here that publish a price, Bruno starts lowest, at $6/user/mo.
Why do people look for SoapUI alternatives?
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.
How do I switch from SoapUI?
Export your data from SoapUI (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel SoapUI.
How to Switch from SoapUI
- Export your data from SoapUI (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel SoapUI.
SoapUI vs Each Alternative
| # | Tool | Free plan | Paid from | GraphQL support | SOAP support | Scheduled runs | CI/CD integration | Contract testing | Score |
|---|---|---|---|---|---|---|---|---|---|
| 3 | SoapUI | Yes | Free | Yes | Yes | Yes | Yes | Yes | 9.0 |
| 1 | Postman | Yes | $9/mo | Yes | Yes | Yes | Yes | Yes | 9.3 |
| 2 | Apidog | Yes | $9/user/mo | Yes | Yes | Yes | Yes | Yes | 9.2 |
| 3 | Karate | Yes | $100/user/yr | Yes | Yes | Yes | Yes | Yes | 8.9 |
| 4 | ReadyAPI | No | Yes | Yes | Yes | Yes | Yes | 8.8 | |
| 5 | Insomnia | Yes | $12/user/mo | Yes | Yes | Yes | 8.7 | ||
| 6 | Bruno | Yes | $6/user/mo | Yes | Yes | Yes | Yes | 8.6 | |
| 7 | Schemathesis | Yes | Free | Yes | Yes | Yes | Yes | 8.5 | |
| 8 | Step CI | Yes | Free | Yes | Yes | Yes | Yes | 8.4 | |
| 9 | Keploy | Yes | $19/user/mo | Yes | No | Yes | Yes | 8.3 | |
| 10 | Stoplight Prism | Yes | Free | Yes | Yes | 8.1 | |||
| 11 | Pact | Yes | Free | Yes | Yes | Yes | 8.0 | ||
| 12 | PactFlow | Yes | No | No | Yes | Yes | 7.9 | ||
| 13 | Citrus | Yes | Free | Yes | Yes | Yes | 7.8 | ||
| 14 | Assertible | Yes | $25/mo | Yes | Yes | 7.7 | |||
| 15 | Hurl | Yes | Free | Yes | Yes | Yes | 7.6 |
Head-to-Head
- SoapUI vs Postman
- SoapUI vs Apidog
- SoapUI vs Karate
- SoapUI vs ReadyAPI
- SoapUI vs Insomnia
- SoapUI vs Bruno
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update