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APIs · head to head

REST Client VSCode vs Treblle

REST Client VSCode logo

REST Client VSCode

APIs

VSCode extension for making HTTP requests and testing REST APIs

From
Free
Rated
-
Full reviewWebsite
Treblle logo

Treblle

APIs

API observability, security, and governance platform

From
$233/month
Rated
-
Full reviewWebsite

The short version

  • Only REST Client VSCode has a free tier, so it costs nothing to try first.
  • Each has a real cost: REST Client VSCode limited to Visual Studio Code; not available as a standalone application; Treblle no free tier is offered; the entry-level Core plan starts at $233/month billed yearly.
  • They diverge on capability: REST Client VSCode covers REST Client, Treblle covers API discovery.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where REST Client VSCode and Treblle differ
AttributeREST Client VSCodeTreblle
Starting priceFree$233/month
Pricing modelUnknownsubscription
Free tierYesNo
PlatformsWindows, macOS, Linuxweb, api
Founded2016Unknown

Identical on both: 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 REST Client VSCode

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

Only in Treblle

  • API discovery
  • Runtime security
  • API governance
  • Compliance monitoring
  • API documentation and analytics
  • Agentic AI support

What people use each for

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

REST Client VSCode

  • API Developmentnot Treblle
  • API Gatewaynot Treblle
  • API Testingnot Treblle
  • API Documentationnot Treblle
  • Microservicesnot Treblle

Treblle

  • Gaining full visibility into API traffic across multi-cloud environmentsnot REST Client VSCode
  • Detecting shadow APIs and runtime security risksnot REST Client VSCode
  • Meeting compliance audit requirements such as HIPAA or GDPRnot REST Client VSCode
  • Governing API design standards through CI/CDnot 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

Treblle

  • No free tier is offered; the entry-level Core plan starts at $233/month billed yearly.
  • Growth and Enterprise pricing is custom and not published, requiring a sales conversation to budget.
  • Core plan is limited to 1 workspace and only 30 days of data retention.
  • SSO and on-prem/BYO cloud deployment are reserved for the top Enterprise tier.

Pricing, plan by plan

REST Client VSCode

Free

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

Treblle

$233/month
  • Core$233/month
    • Billed yearly
    • 5 APIs
    • 500 requests/min
  • Growth$undefined/month
    • Custom APIs and request limits
    • 50M requests/month baseline
    • API security
  • Enterprise$undefined/month
    • Unlimited workspaces, APIs, and requests/min
    • API governance and compliance
    • SSO

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 Treblle if

  • You need api discovery.
  • You work on web, api.
  • You also want runtime security.
Treblle review

Questions people ask

Is REST Client VSCode or Treblle better?
Neither clearly leads. REST Client VSCode starts at Free and Treblle at $233/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, REST Client VSCode or Treblle?
REST Client VSCode has a free tier; the other does not. Paid plans start at Free for REST Client VSCode and $233/month for Treblle.
Does REST Client VSCode or Treblle run on more platforms?
REST Client VSCode runs on Windows, macOS, Linux. Treblle runs on web, api.
Can I use REST Client VSCode for free?
Yes. REST Client VSCode has a free tier, so you can try it without paying. Treblle starts at $233/month.
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 Treblle is typically brought in for.
What can REST Client VSCode do that Treblle cannot?
REST Client VSCode covers REST Client, HTTP requests, Response viewing, VSCode. Treblle covers API discovery, Runtime security, API governance, Compliance monitoring.

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
Treblle: What does Treblle cost?

Treblle's Core plan costs $233/month billed yearly and covers 5 APIs and 5M requests/month; Growth and Enterprise plans use custom pricing for larger request volumes and advanced features.

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
Treblle: Is there a free plan?

Treblle does not offer a free tier; it instead offers a no-credit-card demo rather than free ongoing access.

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
Treblle: How is usage metered?

Plans are metered by number of APIs monitored and requests per minute/month, with the Core plan capped at 500 requests/min and 5M requests/month.

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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