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Stainless vs HTTPie

Stainless logo

Stainless

Software

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

From
Free
Rated
-
Full reviewWebsite
HTTPie logo

HTTPie

Software

Command-line HTTP client with intuitive interface and syntax

From
Free
Rated
-
Full reviewWebsite

The short version

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

Where they differ

Only the attributes on which Stainless and HTTPie actually diverge.

Attributes where Stainless and HTTPie differ
AttributeStainlessHTTPie
Pricing modelfreemiumopen-source
Platformsweb, apiLinux, MacOS, Windows, Web
FoundedUnknown2012

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 Stainless

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

Only in HTTPie

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

What people use each for

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

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

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

Where each one falls short

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

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.

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

Pricing, plan by plan

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

HTTPie

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

Which should you pick?

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

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

Questions people ask

Is Stainless or HTTPie better?
Neither clearly leads. Stainless starts at Free and HTTPie at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Stainless or HTTPie?
Stainless starts at Free and HTTPie at Free.
Does Stainless or HTTPie run on more platforms?
Stainless runs on web, api. HTTPie runs on Linux, MacOS, Windows, Web.
Can I use Stainless for free?
Both have a free tier, so you can try either at no cost before committing.
What is Stainless best used for?
Stainless is most often used for generating typed sdks for a public api, producing an mcp server from an existing openapi spec, building an api documentation site alongside client libraries, giving open-source apis a free sdk generation path. Of those, generating typed sdks for a public api and producing an mcp server from an existing openapi spec are not what HTTPie is typically brought in for.
What can Stainless do that HTTPie cannot?
Stainless covers SDK generation, MCP server generation, Docs site generation, Webhooks and streaming support. HTTPie covers REST Client, JSON support, Colored output, CI/CD.

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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