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HTTPie vs Stainless

HTTPie logo

HTTPie

Software

Command-line HTTP client with intuitive interface and syntax

From
Free
Rated
-
Full reviewWebsite
Stainless logo

Stainless

Software

Generates client SDKs, API docs, and MCP servers from an OpenAPI spec

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: HTTPie the desktop application is in public beta rather than a finished release; Stainless starter and Pro plan prices are not published and require contacting the company.
  • They diverge on capability: HTTPie covers REST Client, Stainless covers SDK generation.

Where they differ

Only the attributes on which HTTPie and Stainless actually diverge.

Attributes where HTTPie and Stainless differ
AttributeHTTPieStainless
Pricing modelopen-sourcefreemium
PlatformsLinux, MacOS, Windows, Webweb, api
Founded2012Unknown

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

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 HTTPie

  • REST Client
  • JSON support
  • Colored output
  • CI/CD
  • Shell scripting
  • Automation
  • Linux support
  • MacOS support

Only in Stainless

  • SDK generation
  • MCP server generation
  • Docs site generation
  • Webhooks and streaming support
  • Automated unit tests
  • Git integration

What people use each for

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

HTTPie

  • Sending and inspecting HTTP requests from the terminalnot Stainless
  • A readable alternative to curl for API debuggingnot Stainless
  • Testing APIs through a graphical clientnot Stainless
  • Installing through apt, brew or pip in a development environmentnot Stainless

Stainless

  • Generating typed SDKs for a public APInot HTTPie
  • Producing an MCP server from an existing OpenAPI specnot HTTPie
  • Building an API documentation site alongside client librariesnot HTTPie
  • Giving open-source APIs a free SDK generation pathnot HTTPie

Where each one falls short

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

HTTPie

  • The desktop application is in public beta rather than a finished release
  • Pricing for the desktop and web products is not published, while the terminal client is free and open source
  • The graphical versions are newer than the CLI, so parity between them is not guaranteed

Stainless

  • Starter and Pro plan prices are not published and require contacting the company.
  • The free plan caps APIs at 25 endpoints, which excludes larger production APIs.
  • Overage charges apply per SDK/endpoint/month once limits are exceeded, which can make costs unpredictable at scale.

Pricing, plan by plan

HTTPie

Free
  • Open SourceFree
    • Full HTTPie CLI
    • Community support
  • HTTPie for Web$10/monthly
    • Web interface
    • Cloud storage
    • Team collaboration

Stainless

Free
  • FreeFree
    • Up to 5 generators (SDKs, docs, or MCP servers)
    • 5 seats
    • APIs with 25 or fewer endpoints
  • Starter$undefined/mo
    • Unlimited generators
    • Expanded seats
    • Private SDKs of any size
  • Pro$undefined/mo
    • Custom enterprise features and pricing
  • Enterprise$undefined/mo
    • Dedicated support
    • SOC 2 compliance reports
    • Purchase order/invoicing with negotiable terms

Which should you pick?

Choose HTTPie if

  • You need rest client.
  • You want to start without paying.
  • You work on Linux, MacOS, Windows, Web.
  • You also want json support.
HTTPie review

Choose Stainless if

  • You need sdk generation.
  • You want to start without paying.
  • You work on web, api.
  • You also want mcp server generation.
Stainless review

Questions people ask

Is HTTPie or Stainless better?
Neither clearly leads. HTTPie starts at Free and Stainless at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, HTTPie or Stainless?
HTTPie starts at Free and Stainless at Free.
Does HTTPie or Stainless run on more platforms?
HTTPie runs on Linux, MacOS, Windows, Web. Stainless runs on web, api.
Can I use HTTPie for free?
Both have a free tier, so you can try either at no cost before committing.
What is HTTPie best used for?
HTTPie is most often used for sending and inspecting http requests from the terminal, a readable alternative to curl for api debugging, testing apis through a graphical client, installing through apt, brew or pip in a development environment. Of those, sending and inspecting http requests from the terminal and a readable alternative to curl for api debugging are not what Stainless is typically brought in for.
What can HTTPie do that Stainless cannot?
HTTPie covers REST Client, JSON support, Colored output, CI/CD. Stainless covers SDK generation, MCP server generation, Docs site generation, Webhooks and streaming support.

Answered from the vendors’ own pages

Stainless: Is there a free plan, and what are its limits?

Yes. The Free plan supports up to 5 generators, 5 seats, APIs with 25 or fewer endpoints, and 100 preview builds per month, with email support.

Source
Stainless: Who owns the generated SDK code?

The generated SDK code is owned by the customer and published by Stainless under the Apache 2.0 license.

Source
Stainless: What happens if I exceed my plan's endpoint limit?

Customers exceeding their endpoint limits are billed per SDK, per endpoint, per month for the overage.

Source
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