HttpMaster is a debugging and testing tool for HTTP applications, with special focus on REST web services, API applications, and websites. Because HttpMaster is a universal HTTP test tool it can be used with development of various application types.

Version: 4.8.0HttpMaster is a debugging and testing tool for various HTTP applications and services. HttpMaster can display and validate the most common REST formats;
License: Free To Try $99.00
Operating System: Windows
Homepage: www.httpmaster.net
Developed by:
XML, JSON, and HTML and also supports powerful dynamic parameters, request validation, and many other properties. All these core features, along with many other options, give HttpMaster capabilities for thorough HTTP testing and debugging.
HttpMaster project (hmpr file) exposes a large number of options to fine tune generated web requests, for example, to specify http method, values of http headers, global URL and query string values, content types, request encoding, and many more.
HttpMaster also supports definition of dynamic parameters which can be be used to simulate variations of input data or to create global values for reuse across multiple requests.
When executing web requests, HttpMaster allows you to monitor and review complete request and response data of each executed request.
When working with HttpMaster, you will use intuitive user interface with tabs, descriptive icons, 'quick help' buttons and integrated help.
Version 4.8.0: Apply conversion expression with multiple functions to parameter or chaining items Support for additional conversion functions Generate random parameter value from the list of values Support for random and increasing time parameters Various fixes and improvements
Version 4.7.4: URL builder for creating execution address in basic request window Open request items as basic request with the specific global URL in the main window Context sensitive double click in the main window list (execution order and execution count) Other minor UI improvements and changes
Version 4.7.3: Ability to validate a custom logical validation expression. New functions with parameters and chaining items. Minor fixes and improvements.
Version 4.7.1: Support for random parameters of type Guid New functions with parameters and chaining items Many UI enhancements, including new environment font and improved settings New version of OpenAPI.NET library
Version 4.7.0: Support for parameters that generate random values. Extract parameter data from file with JSONPath/XPATH expression. Save project file in compact form for smaller file size. Improved JSONPath/XPath query error handling during validation and chaining. Updated UI for managing project parameters.
Version 4.6.0: Insert global URL data value in selected field Sorting request item list in basic request window Execute group directly in the groups window Include/exclude all parameters in query string builder Close selected tab with the middle mouse button New context menu in request item execution list
Version 4.5.0: Select and open desired recent project in welcome window Separate window for user-friendly query string building Menu options to quickly increase or decrease item execution order Improved request body viewer in execution window UI and performance improvements when parsing OpenAPI data
Version 4.4.0: Set explicit execution count value for request item Access corresponding online help topic from active window Reverse request item execution order Indentation guide lines in response data pretty viewers List of request items when creating execution group Various UI and performance improvements
Version 4.3.0: Update existing project from OpenAPI data Support for version 3 when parsing OpenAPI data Support for YAML format when parsing OpenAPI data Use project parameter value in basic request window Use obtained authorization data in basic request window HTML encode/decode selected data in action menu
Version 4.2.0: Ability to create new execution group in the main window Add bookmarks when creating PDF report Add custom report title and page footer when creating PDF report Exclude header or request body data item in basic request window with comment New menus in action button to escape/unescape regex data