Cartero

Free, lightweight graphical HTTP client that respects privacy

About Cartero

Cartero is a native graphical HTTP client built with GTK for testing web APIs and performing HTTP requests against REST, SOAP or XML-RPC services. It saves requests to plain Git-friendly TOML files, supports variable binding for secrets, and is fully free software with no accounts, available on Linux, Windows and macOS.

Cartero website preview

Live preview of cartero.danirod.es via the WordPress mShots service — it can take a few seconds to generate on a first visit.

Cartero: strengths & things to check

Strengths

Completely free to use — this directory lists no paid plan for it.
Covers http client, api testing, gtk, privacy — see the focus areas listed in its key facts.
Has 6 close alternatives in the same category on this page, so switching or comparing is easy.

Things to check

Free tools can change their model or shut down — avoid locking critical work into it without an export path.
Current plan prices are not listed here (they change too often to print reliably) — confirm the exact price on the official site.
It is one of 1288 tools in the Developer Tools category here — compare it against the alternatives below before you commit.

Derived from this listing's own data (pricing model, focus areas and category) — not a hands-on review score.

Cartero pricing

Pricing model	Free — listed in this directory as a free tool, with no paid plan required to use it.
Free access	Yes — fully free
Current plan prices	Listed on the official site — prices change, so this directory links out instead of printing a number that may already be stale.
Official site	cartero.danirod.es

Cartero key facts

Category: Developer Tools
Pricing: Free — listed in this directory as a free tool, with no paid plan required to use it.
Focus areas: http client, api testing, gtk, privacy
Official site: cartero.danirod.es

Cartero FAQ

How much does Cartero cost?

Free — listed in this directory as a free tool, with no paid plan required to use it. Current plans and prices are listed on the official site (cartero.danirod.es).

What is Cartero used for?

Free, lightweight graphical HTTP client that respects privacy Its focus areas in the Developer Tools category: http client, api testing, gtk, privacy.

Where can I try Cartero?

On its official site, cartero.danirod.es — the Visit Official Site button above goes straight there.

Cartero vs alternatives

	Cartero	HTTPie	ReqBin	xh
Pricing	Free — listed in this directory as a free tool, with no paid plan required to use it.	Freemium — a free tier lets you start, and paid plans are available if you need more.	Free — listed in this directory as a free tool, with no paid plan required to use it.	Free — listed in this directory as a free tool, with no paid plan required to use it.
Focus areas	http client, api testing, gtk, privacy	http client, api testing, cli	http client, online tools, api testing, free	http client, cli, rust, api testing
Official site	cartero.danirod.es	httpie.io	reqbin.com	github.com
Directory status	Listed	Listed	Listed	Listed

Side-by-side from each listing's own directory data. Full alternative cards are below.

About the Developer Tools category

Editors, platforms, and services developers rely on to build and ship software. The Developer Tools category on Tools Hub currently lists 1288 tools. Alongside Cartero, it includes Pragtical, Retcon, Thunder Client, Termora.

FreeDeveloper Toolshttp-clientapi-testinggtkprivacy

Alternatives to Cartero

Tools in the same Developer Tools category that share focus areas with Cartero — worth comparing before you commit:

Developer Tools

HTTPie

Human-friendly HTTP client for APIs

Freemiumhttp-clientapi-testingcli

Developer Tools

ReqBin

Free online HTTP client and API testing tools

Freehttp-clientonline-toolsapi-testingfree

Developer Tools

Friendly and fast command-line tool for sending HTTP requests

Freehttp-clientclirustapi-testing

Developer Tools

Apidog

All-in-one API design testing and documentation

Freemiumapi-testingapi-designdocumentation

Developer Tools

Beagle Security

AI-powered penetration testing for web apps and APIs

Freemiumpenetration-testingsecurityapi-testingdevsecops

Developer Tools

Diffuse

Graphical tool for comparing and merging text files

Freediffmerge-toolgtkversion-control

More in Developer Tools

Comparing tools in the Developer Tools category? These related listings are worth a look: Pragtical — Lightweight, extensible code editor forked from Lite XL; Retcon — macOS Git client for effortlessly rewriting history; Thunder Client — Lightweight REST API client inside VS Code and JetBrains IDEs.