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APIs · head to head

HTTPie vs OWASP ZAP

HTTPie logo

HTTPie

APIs

Command-line HTTP client with intuitive interface and syntax

From
Free
Rated
-
Full reviewWebsite
OWASP ZAP logo

OWASP ZAP

Cybersecurity

Free, open-source web application scanner and intercepting proxy, now governed by the Software Security Project.

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; OWASP ZAP authenticated scanning of modern single-page applications is the hard part and ZAP makes you build it by hand: session handling, token refresh and login scripts are configured per application, and a misconfigured session means the scanner logs itself out and reports a clean result for pages it never reached.
  • They diverge on capability: HTTPie covers REST Client, OWASP ZAP covers Intercepting proxy.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which HTTPie and OWASP ZAP actually diverge.

Attributes where HTTPie and OWASP ZAP differ
AttributeHTTPieOWASP ZAP
Pricing modelopen-sourcefree
PlatformsLinux, MacOS, Windows, WebDesktop, Cli, Api
CategoryAPIsCybersecurity
Founded20122001

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 HTTPie

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

Only in OWASP ZAP

  • Intercepting proxy
  • Passive scanner
  • Active scanner
  • AJAX spider
  • Automation Framework
  • Headless daemon and REST API
  • Docker images
  • Add-on marketplace

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 OWASP ZAP
  • A readable alternative to curl for API debuggingnot OWASP ZAP
  • Testing APIs through a graphical clientnot OWASP ZAP
  • Installing through apt, brew or pip in a development environmentnot OWASP ZAP

OWASP ZAP

  • Adding a baseline security scan to every application's pipeline where per-target commercial licensing would limit coverage to a handfulnot HTTPie
  • Manual penetration testing that needs an intercepting proxy, request replay and fuzzing without a paid licence per testernot HTTPie
  • Teaching developers what an attack against their own endpoint looks like, using a tool they can install themselvesnot HTTPie
  • Pre-release regression scanning of an internal application that would never justify a commercial DAST subscriptionnot 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

OWASP ZAP

  • Authenticated scanning of modern single-page applications is the hard part and ZAP makes you build it by hand: session handling, token refresh and login scripts are configured per application, and a misconfigured session means the scanner logs itself out and reports a clean result for pages it never reached.
  • There is no support contract in the product, so when a scan breaks the day before a release the escalation path is a GitHub issue and a community chat, which is not an answer that satisfies a delivery manager or an auditor who wants a named responsible party.
  • Active scanning sends genuine attack traffic, so it can create records, trigger emails, exhaust rate limits or destabilise a fragile environment, and pointing it at production without prior agreement produces an incident rather than a test result.
  • Output needs triage: passive rules generate large volumes of low-severity informational findings about headers and cookie flags that bury the few results that matter, and a team without someone tuning the rule set stops reading the report within a few sprints.
  • As a dynamic scanner it can only test what it can reach, so authorisation flaws between accounts, business logic abuse and anything behind an undiscovered endpoint go unreported, and a passing ZAP scan is evidence of nothing more than the absence of the classes of bug it looks for.

Pricing, plan by plan

HTTPie

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

OWASP ZAP

Free
  • Free & Open SourceFree
    • Full functionality
    • Active & passive scanning
    • Spider

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 OWASP ZAP if

  • You need intercepting proxy.
  • You want to start without paying.
  • You work on Desktop, Cli, Api.
  • You also want passive scanner.
OWASP ZAP review

Questions people ask

Is HTTPie or OWASP ZAP better?
Neither clearly leads. HTTPie starts at Free and OWASP ZAP at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, HTTPie or OWASP ZAP?
HTTPie starts at Free and OWASP ZAP at Free.
Does HTTPie or OWASP ZAP run on more platforms?
HTTPie runs on Linux, MacOS, Windows, Web. OWASP ZAP runs on Desktop, Cli, 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 OWASP ZAP is typically brought in for.
What can HTTPie do that OWASP ZAP cannot?
HTTPie covers REST Client, JSON support, Colored output, CI/CD. OWASP ZAP covers Intercepting proxy, Passive scanner, Active scanner, AJAX spider.

Answered from the vendors’ own pages

HTTPie: Is HTTPie free?

HTTPie for Terminal is open source and free. The Desktop and Web versions are in public beta, and their pricing model is not disclosed.

Source
OWASP ZAP: Is it still called OWASP ZAP?

The project left OWASP in August 2024 and is now governed by the Software Security Project, with core development sponsored by Checkmarx. The tool is now just ZAP, though most existing documentation, courses and search results still use the OWASP name.

HTTPie: Can I use HTTPie for commercial purposes?

HTTPie Terminal is open source, but check the specific license (likely MIT, Apache, or GPL) to confirm commercial use is permitted in your jurisdiction.

Source
OWASP ZAP: Is it free for commercial use?

Yes. It is Apache 2.0 licensed, with no per-application, per-scan or per-user cost, and it can be used and modified commercially without a licence agreement.

HTTPie: What is HTTPie Desktop and how much does it cost?

HTTPie Desktop is an API testing client in public beta. Pricing is not disclosed on the website.

Source
OWASP ZAP: Can it replace a penetration test?

No. It automates checks for known vulnerability classes against endpoints it can reach. It does not reason about business logic, chain findings into an attack, or test authorisation between accounts, which is most of what a tester actually does.

HTTPie: Is there an HTTPie AI version?

Yes, HTTPie AI is mentioned as a product, but details about functionality and pricing are not provided on the main page.

Source
OWASP ZAP: Does it run in CI?

Yes, through the official Docker images and the Automation Framework, which defines scan jobs in YAML so configuration lives in the repository. A baseline passive scan is the usual starting point because it is fast and non-intrusive.

OWASP ZAP: How does it compare to Burp Suite?

Burp Suite Professional is the more polished manual testing tool and has a stronger scanner and extension ecosystem, but it is licensed per tester and Burp Suite Enterprise per target. ZAP is the better fit where cost per target is the binding constraint; many teams use both.

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