Softwr

APIs · head to head

REST Client VSCode vs Swagger UI

REST Client VSCode logo

REST Client VSCode

APIs

VSCode extension for making HTTP requests and testing REST APIs

From
Free
Rated
-
Full reviewWebsite
Swagger UI logo

Swagger UI

Developer Tools

Interactive API documentation generated from OpenAPI specs

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: REST Client VSCode limited to Visual Studio Code; not available as a standalone application; Swagger UI only as good as the specification: a thin OpenAPI file produces thin documentation
  • They diverge on capability: REST Client VSCode covers REST Client, Swagger UI covers OpenAPI rendering.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which REST Client VSCode and Swagger UI actually diverge.

Attributes where REST Client VSCode and Swagger UI differ
AttributeREST Client VSCodeSwagger UI
Pricing modelUnknownOpen source, no licence fee
PlatformsWindows, macOS, LinuxWeb, Self-hosted, Docker
CategoryAPIsDeveloper Tools
Founded2016Unknown

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in REST Client VSCode

  • REST Client
  • HTTP requests
  • Response viewing
  • VSCode
  • Environment variables
  • Custom headers
  • VSCode extension support

Only in Swagger UI

  • OpenAPI rendering
  • Try it out
  • Schema display
  • Self-hostable

What people use each for

The jobs each tool is most often brought in to do.

REST Client VSCode

  • API Developmentnot Swagger UI
  • API Gatewaynot Swagger UI
  • API Testingnot Swagger UI
  • API Documentationnot Swagger UI
  • Microservicesnot Swagger UI

Swagger UI

  • Publishing API documentation that stays in step with the specificationnot REST Client VSCode
  • Letting developers try endpoints before writing any client codenot REST Client VSCode
  • Internal API discovery across teamsnot REST Client VSCode

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

REST Client VSCode

  • Limited to Visual Studio Code; not available as a standalone application
  • No support for WebSocket, gRPC, or other advanced protocols
  • No cloud sync or team server features; requires Git-based workflow

Swagger UI

  • Only as good as the specification: a thin OpenAPI file produces thin documentation
  • Default presentation is dated compared with modern documentation tools
  • Large specifications render slowly and become hard to navigate
  • Try it out against production needs care with authentication and CORS, and is often disabled as a result

Pricing, plan by plan

REST Client VSCode

Free

No published plan breakdown. See the REST Client VSCode review.

Swagger UI

Free
  • Swagger UIFree
    • Full functionality
    • Commercial use permitted
    • Community support

Which should you pick?

Choose REST Client VSCode if

  • You need rest client.
  • You want to start without paying.
  • You work on Windows, macOS, Linux.
  • You also want http requests.
REST Client VSCode review

Choose Swagger UI if

  • You need openapi rendering.
  • You want to start without paying.
  • You work on Web, Self-hosted, Docker.
  • You also want try it out.
Swagger UI review

Questions people ask

Is REST Client VSCode or Swagger UI better?
Neither clearly leads. REST Client VSCode starts at Free and Swagger UI at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, REST Client VSCode or Swagger UI?
REST Client VSCode starts at Free and Swagger UI at Free.
Does REST Client VSCode or Swagger UI run on more platforms?
REST Client VSCode runs on Windows, macOS, Linux. Swagger UI runs on Web, Self-hosted, Docker.
Can I use REST Client VSCode for free?
Both have a free tier, so you can try either at no cost before committing.
What is REST Client VSCode best used for?
REST Client VSCode is most often used for api development, api gateway, api testing, api documentation. Of those, api development and api gateway are not what Swagger UI is typically brought in for.
What can REST Client VSCode do that Swagger UI cannot?
REST Client VSCode covers REST Client, HTTP requests, Response viewing, VSCode. Swagger UI covers OpenAPI rendering, Try it out, Schema display, Self-hostable.

Answered from the vendors’ own pages

REST Client VSCode: How much does REST Client VSCode cost?

REST Client VSCode is completely free and open source. It is available on the Visual Studio Code Marketplace with no subscription or licensing fees.

Source
Swagger UI: Is Swagger UI free?

Yes, open source under the Apache 2.0 licence. SmartBear sells commercial SwaggerHub separately.

REST Client VSCode: What authentication methods does REST Client support?

REST Client supports Basic Auth, Digest Auth, SSL certificates, Azure AD, and AWS Signature v4 authentication for API requests.

Source
Swagger UI: What is the difference between Swagger and OpenAPI?

OpenAPI is the specification format; Swagger is the toolset around it, including Swagger UI. The specification was renamed from Swagger to OpenAPI in 2016.

REST Client VSCode: Can I save and manage multiple requests?

Yes. REST Client supports multiple requests per file using ### delimiters, request history with auto-save, environment variables for different configurations, and code snippet generation for multiple programming languages.

Source
Swagger UI: Can Swagger UI make real API calls?

Yes, through its try-it-out control, though authentication and CORS configuration often mean it is disabled for production APIs.

REST Client VSCode: How do teams collaborate with REST Client?

REST Client requests are stored as text files that can be version-controlled in Git repositories. Teams collaborate by sharing requests through Git, making the API specs part of the codebase.

Source
REST Client VSCode: What protocols does REST Client support?

REST Client primarily supports HTTP/HTTPS and GraphQL. It does not support WebSocket, gRPC, or other advanced protocols available in desktop clients like Insomnia.

Source
REST Client VSCode: Is there cloud sync for REST Client requests?

No. REST Client has no built-in cloud sync or team server features. All collaboration and sharing relies on Git repository management.

Source
Share

Related pages

More on REST Client VSCode

More on Swagger UI

Keep looking

Other head to heads