Example of importing data with cloud functions

data.json

{
	"className": "ExampleClass",
	"rows": [
		{ "ExampleColumnA": "row1columnA", "ExampleColumnB": "row1columnB" },
		{ "ExampleColumnA": "row2columnA", "ExampleColumnB": "row2columnB"}
	]
}

main.js

Parse.Cloud.define("import", function (request, response) {
  var className = request.params.className;
  var rows = request.params.rows;

  var MyClass = Parse.Object.extend(className);

  var promises = [];
  for (var i = 0; i < rows.length; i++) {
    var myClassObject = new MyClass();

    for (var column in rows[i]) {
      myClassObject.set(column, rows[i][column]);
    }

    promises.push(myClassObject.save());
  }

  Parse.Promise
    .when(promises)
    .then(
      function () {
        response.success('Successfully imported ' + i + ' rows into ' + className + ' class');
      },
      function (error) {
        response.error('Import failed: ' + error);
      });
});

parse-server-import-data

curl -X POST \
-H "X-Parse-Application-Id: LL9oIdzIkmwl5xyowQQu0fTmXyUWfet9RuAzwHfj" \
-H "X-Parse-REST-API-Key: R3S8PYQKuzeV4c8MUeO5ved46C50MEp56boDHW1O" \
-H "Content-Type: application/json" \
-d @data.json \
https://parseapi.back4app.com/functions/import