HttpMaster is unclaimed —

HttpMaster

Master HTTP Testing and Debugging·httpmaster.net

HttpMaster is a native desktop application for testing, automating, and validating HTTP workflows for APIs, web applications, and services. It supports OpenAPI import, request chaining, multi-value parameters, response validation, and command-line automation for CI pipelines. It runs offline with no account or cloud dependency required.

What it's for

Testing HTTP applications and servicesREST API development and testingBuilding multi-step HTTP request workflowsValidating HTTP responses (status codes, headers, content)Simulating load with parallel parameterized executionAutomating test execution via command line or CI pipelinesGenerating and sharing cURL commandsCreating API test projects from OpenAPI specificationsTesting secured APIs with authentication/OAuth

Features 17

Ad hoc HTTP request tool
Authentication support including HTTP credentials and OAuth
Command-line interface for automation and CI pipelines
Conditional workflows and execution groups
cURL command generation from requests
Customizable PDF execution reports
Execution manager with progress tracking, pause/resume, and statistics
Flexible request bodies (JSON, XML, text, web forms, multipart, binary files)
Global reusable parameters
HTML form import to auto-generate request bodies
Multi-value parameters for automated data-driven requests
OpenAPI (Swagger) import to auto-generate API test projects
Parallel execution to simulate application load
Portable edition and ARM support
Request chaining using data from previous requests (JSONPath, XPath, regex)
Response validation rules (status codes, headers, content, custom conditions)
Rich response viewers for JSON, XML, HTML, CSS, images with syntax highlighting

At a glance

free tier

TypeDesktop app

DeploymentInstalled (local)

Fordevelopers

CompanyBorvid

Integrations

cURLOpenAPI

Resources

Docs

Pricing

Product is stated to be completely free with no ads, subscriptions, or feature restrictions.

FreeFree

Completely free to use with no feature restrictions.