The what Feed JSONator a valid json schema document (draft 4) and it spits out a json document of randomly generated mock data. The random data is powered by faker . Cool, but how do you use it? Glad you asked! It's pretty simple. <?php require_once __DIR__.'/vendor/autoload.php'; // It is important to json_decode your schema into a stdClass object $schema = json_decode(file_get_contents('schema.json')); // { // "title": "Example Schema", // "type": "object", // "properties": { // "firstName": { // "type": "string" // }, // "lastName": { // "type": "string" // } // } // } $traverser = new JSONator\Traverser; $jsonGenerator = new JSONator\Generator($traverser); $json = $jsonGenerator->generate($schema); // { // "firstName": "Atque", // "lastName": "Officiis" // } To-do The project is very much a work in progress and there is plenty to do! Custom keywords that expose more of the power of faker Support way more keywords. Find a list of currently supported ones below. Attempt to infer types if none are provided Improve test coverage! Improve docs! Currently supported keywords properties required items minLength maxLength pattern enum