Swagger Editor
Swagger Editor is an open-source tool for creating and documenting API definitions.
What Swagger Editor is
Swagger Editor is an open-source tool for creating and documenting API definitions. It supports Swagger 2.0, OpenAPI 3.* and AsyncAPI 2.*, and checks syntax for OpenAPI Specification compliance as you write. A visual rendering lets you inspect and interact with an API while defining it, while syntax autocomplete helps complete definitions. Users can adjust settings such as line spacing and themes. The editor can generate server stubs and client libraries in popular languages, and synchronize definitions with GitHub, GitLab or Bitbucket. Listed gateway integrations include Amazon API Gateway, Azure API Management and Kong; custom webhooks can trigger workflow automation when APIs change. It can run locally or in a browser. The open-source plan is free and covers local or web use.
Good
- Validates OpenAPI syntax while writing
- Supports Swagger 2.0, OpenAPI 3.* and AsyncAPI 2.*
- Generates server stubs and client libraries
- Synchronizes definitions with GitHub, GitLab and Bitbucket
Watch out
- Enterprise is aimed at multiple-team organizations
Who it suits
It suits API developers who want an editor for OpenAPI, Swagger or AsyncAPI definitions and need local or browser access. Organizations coordinating API work across teams may consider the Enterprise offering.
Verdict
Swagger Editor combines API definition editing, syntax validation and visual inspection with code generation and source-control synchronization. The free open-source option is available locally or on the web, while Enterprise pricing requires inquiry.
Plans and prices
From Swagger Editor's own pricing page, checked 1 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Swagger Editor (open source) | Free | OpenAPI 2.0 and 3.* · AsyncAPI 2.* · local or web |
| Swagger Enterprise | Priced on request | API standardization · teams and projects · reusable domains · on-premise or cloud |
The facts
Each one read from Swagger Editor's own pages, with the date it was checked.
What it does
- API gateway integrations
- Swagger integrates with Amazon API Gateway, Azure API Management, and Kong.checked 1 Oct 2026
- Autocomplete
- The editor provides intelligent syntax auto-completion.checked 1 Oct 2026
- Code generation
- Swagger Editor can generate server stubs and client libraries in popular languages.checked 1 Oct 2026
- Customization
- Users can configure the editor, including line spacing and themes.checked 1 Oct 2026
- Deployment
- Swagger Editor can be installed and run locally or accessed on the web.checked 1 Oct 2026
- Enterprise deployment
- Swagger Enterprise is available on-premise or in the cloud for organizations working across multiple teams.checked 1 Oct 2026
- Purpose
- Swagger Editor is an open-source editor for designing, describing, and documenting APIs.checked 1 Oct 2026
- Security controls
- SmartBear states that customer data is encrypted in transit and at rest and access is restricted by least privilege.checked 1 Oct 2026
- Security frameworks
- SmartBear says its security program aligns with SOC 2, ISO/IEC 27001, GDPR and CCPA, and NIST CSF.checked 1 Oct 2026
- Source control integrations
- Swagger integrates with GitHub, GitLab, and Bitbucket to synchronize API definitions with source control.checked 1 Oct 2026
- Specifications
- It supports Swagger 2.0, OpenAPI 3.*, and AsyncAPI 2.*.checked 1 Oct 2026
- Validation
- The editor validates syntax for OpenAPI Specification compliance while you write.checked 1 Oct 2026
- Visualization
- It renders API specifications visually and lets users interact with APIs while defining them.checked 1 Oct 2026
- Webhooks
- Swagger supports custom webhooks for automating workflows when APIs are updated.checked 1 Oct 2026
The company
- Maker scale
- SmartBear says it is trusted by developers, testers, and software engineers at more than 32,000 organizations.checked 1 Oct 2026
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