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APIs · head to head

curl vs REST Client VSCode

curl logo

curl

APIs

Command-line tool for transferring data using URLs with wide protocol support

From
Free
Rated
-
Full reviewWebsite
REST Client VSCode logo

REST Client VSCode

APIs

VSCode extension for making HTTP requests and testing REST APIs

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: curl open-source with no vendor pricing: curl is free and open-source under GPL 3.0; no subscription or licensing costs apply; REST Client VSCode limited to Visual Studio Code; not available as a standalone application
  • They diverge on capability: curl covers HTTP/HTTPS, REST Client VSCode covers REST Client.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where curl and REST Client VSCode differ
AttributecurlREST Client VSCode
Pricing modelopen-sourceUnknown
PlatformsLinux, MacOS, Windows, Unix, MobileWindows, macOS, Linux
Founded19972016

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

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 curl

  • HTTP/HTTPS
  • FTP
  • Multiple protocols
  • Universal compatibility
  • Scripting tools
  • Linux support
  • MacOS support
  • Windows support

Only in REST Client VSCode

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

What people use each for

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

curl

  • API Development
  • API Gateway
  • API Testing
  • API Documentation
  • Microservices

REST Client VSCode

  • API Development
  • API Gateway
  • API Testing
  • API Documentation
  • Microservices

Both are used for api development, api gateway, api testing, api documentation, microservices, on those jobs the choice comes down to price and fit rather than capability.

Where each one falls short

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

curl

  • Open-source with no vendor pricing: curl is free and open-source under GPL 3.0; no subscription or licensing costs apply
  • Commercial support costs hidden: site references 'commercial support available' but pricing is not detailed or accessible from homepage
  • No SaaS model: curl is a command-line tool and library; costs are limited to optional commercial support contracts (pricing unknown)
  • Self-support burden: free software means customers rely on community forums or undisclosed commercial support pricing

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

Pricing, plan by plan

curl

Free
  • Open SourceFree
    • Full curl functionality
    • Community support

REST Client VSCode

Free

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

Which should you pick?

Choose curl if

  • You need http/https.
  • You want to start without paying.
  • You work on Linux, MacOS, Windows, Unix, Mobile.
  • You also want ftp.
curl review

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

Questions people ask

Is curl or REST Client VSCode better?
Neither clearly leads. curl starts at Free and REST Client VSCode at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, curl or REST Client VSCode?
curl starts at Free and REST Client VSCode at Free.
Does curl or REST Client VSCode run on more platforms?
curl runs on Linux, MacOS, Windows, Unix, Mobile. REST Client VSCode runs on Windows, macOS, Linux.
Can I use curl for free?
Both have a free tier, so you can try either at no cost before committing.
What is curl best used for?
curl is most often used for api development, api gateway, api testing, api documentation.
What can curl do that REST Client VSCode cannot?
curl covers HTTP/HTTPS, FTP, Multiple protocols, Universal compatibility. REST Client VSCode covers REST Client, HTTP requests, Response viewing, VSCode.

Answered from the vendors’ own pages

curl: How much does curl cost?

curl is free and open-source software under the GPL 3.0 license. There is no cost to download, use, or modify the software.

Source
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
curl: Is commercial support available for curl?

Yes. The curl website references 'commercial support available,' but pricing and details are not disclosed on the homepage and require visiting the support page.

Source
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
curl: Can I sponsor curl financially?

Yes. The curl website offers an option to 'Sponsor curl financially.' Visitors can donate to support curl development, but the donation link must be accessed through the site's support section.

Source
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
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
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