GameMaker Studio 2 (2.3)

Request Master


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Request Master is a full-featured toolkit for using http_request() to its potential. Send HTTP requests with parameters already encoded for you, instead of manually escaping them and building query strings. The included request helpers also enable handling the response using a callback instead of a separate Async HTTP event.


  • Send requests in properly encoded application/x-www-form-urlencoded, multipart/form-data and application/json formats
  • Inline support for headers, no need for an extra map
  • Automatic parsing for JSON responses
  • Intuitive response handling with callbacks


See the Wiki section on the official GitHub repository.


Accessing Steam API:

xhr_get("", {
    params: { appid: 282800, count: 1 },
    done: function(res) {
        show_message("Latest news from 100% Orange Juice: " +[0].title);
    fail: function() {
        show_message("Can't fetch headlines from Steam.");

End User Licence Agreement (EULA).

Age Rating: 4+


GMS2.3 - Version 1.1.1. Published April 4, 2021

Added support for new built-in JSON functions and reduced JSON Struct to an optional dependency. Please continue using v1.0.0 for GMS 2.3.0 and 2.3.1.


  • JSON Struct is now only an optional dependency.
  • Added StructBody for encoding outbound request bodies with json_stringify.
  • Changed default configs to use json_parse and json_stringify instead of JSON Struct functions.
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