WSO2 API Designer
WSO2 API Designer: A governed OpenAPI workspace for teams already working in VS Code. Ranked #5 of 27 in API Design Tools by our editors (8.7/10); pricing: Pricing on request · 30-day trial; best for teams designing governed OpenAPI specifications in VS Code.
At a glance
- Editor score8.7 / 10
- PricingPricing on request · 30-day trial
- Best forTeams designing governed OpenAPI specifications in VS Code
- Free planNo
- Founded2005
- Facts checked20 Sep 2026
Where it wins
- Visual OpenAPI 3.x editing with form-based design workflows
- Governance reports cover design quality, AI readiness, and OWASP API security
- Custom Spectral rules and AI-assisted fixes support governed workflows
Where it doesn't
- No free plan is available
- Pricing uses a contact-sales model
- The workflow is centered on Visual Studio Code
Our verdict on WSO2 API Designer
WSO2 API Designer is a Visual Studio Code extension for creating, editing, validating, and improving OpenAPI specifications. It is aimed at developers and API teams that keep OpenAPI files in VS Code and want design controls alongside specification work. The visual design view supports form-based editing for operations, parameters, responses, and schemas, while validation identifies errors and warnings during the design process. This makes the product a fit for teams that want a governed OpenAPI workflow rather than a narrowly focused document editor.
Its strongest area is the combination of design depth and governance. Teams can review API design quality, AI readiness, and OWASP API security through governance reports, then tailor analysis with custom Spectral ruleset folders and ruleset overrides. AI-assisted API design works through GitHub Copilot and the built-in API Design Skill, while AI-assisted fixes address specification findings. The ecosystem fit is clear: Visual Studio Code is the working environment, GitHub Copilot supports the AI workflow, and Spectral provides the ruleset foundation. Teams already standardized on these tools should find the capabilities aligned with their existing development process.
The published plans show a 30-Day Free Trial with API Designer access and no credit card required. Growth includes API Designer and a SaaS API Control Plane, while Enterprise includes API Designer and a SaaS or self-hosted API Control Plane. Pricing is handled through contact sales, and there is no free plan. Choose WSO2 API Designer if your team needs OpenAPI 3.x editing, validation, governance reporting, custom rules, and AI-assisted fixes within VS Code. Teams seeking a free plan, standalone pricing, or a workflow outside Visual Studio Code should consider an alternative.
Your product? Our editors can test WSO2 API Designer in depth and publish a review, labelled as paid · from $149/mo →
WSO2 API Designer pricing
All 3 WSO2 API Designer plans and prices →
WSO2 API Designer fact sheet
| Free plan | No |
|---|---|
| Paid from | Not verified |
| OpenAPI support | Yes |
| AsyncAPI support | Not verified |
| Mock server | Not verified |
| Contract validation | Not verified |
| Git synchronization | Not verified |
| Team collaboration | Not verified |
| Included team seats | Not verified |
| Free trial | 30 days · no card needed |
| Deployment | Desktop |
| Support | Community, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 3 integrations: Visual Studio Code, GitHub Copilot, Spectral |
| Pricing | Pricing on request · 30-day trial (source) |
| Website | wso2.com |
| Facts checked | 20 Sep 2026 |
WSO2 API Designer integrations
WSO2 API Designer lists 3 integrations on its own site.
- Visual Studio Code
- GitHub Copilot
- Spectral
Alternatives to WSO2 API Designer
- ApidogAn all-in-one API suite spanning design, testing, mocks, documentation, and CI/CD.9.4
- PostmanA broad API workspace spanning design, testing, mocks, documentation, and CI/CD.9.2
- OpenAPI StudioA collaborative OpenAPI workspace with visual design, execution, validation, and GitHub sync.9.1
See all WSO2 API Designer alternatives →
WSO2 API Designer vs the competition
- WSO2 API Designer vs Apidog
- WSO2 API Designer vs Postman
- WSO2 API Designer vs OpenAPI Studio
- WSO2 API Designer vs SwaggerHub
- WSO2 API Designer vs Swagger Editor
- WSO2 API Designer vs TypeSpec
Compare WSO2 API Designer with any tool side by side →
Used WSO2 API Designer? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used WSO2 API Designer for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
WSO2 API Designer is listed in our API Design Tools directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/wso2-api-designer/"><img src="https://www.itechguides.com/best/badge/wso2-api-designer.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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.
Last updated · How we research and update