Apex REST Web Service

apex-rest-web-service.js

@RestResource(urlMapping='/Model2WebService/v1/*')
global with sharing class Model2WebService {

 @HttpPost
  global static void Model2ApiService() {
    // Model2ApiService requires a Lead or Account ID to run
    // endpoint: /services/apexrest/Model2WebService/v1?targetId=<Lead ID>
    RestRequest request = RestContext.request;
    String targetId = request.params.get('targetId');
    List<Id> targetIds = new List<Id>{};
    targetIds.add(targetId);

    Model2ApiService.run(targetIds);

    RestResponse response = RestContext.response;
    response.addHeader('Content-Type', 'application/json');
    response.responseBody = Blob.valueOf('{ "Model2ApiService" : "EXECUTED" }');
    response.statusCode = 201;
  }
}