Use Angular2 Http service outside of Angular.

http-client.ts

export class NoXSRFStrategy extends XSRFStrategy {
  configureRequest(req: Request) { }
}

// HTTP configuration to use the http service outside of angular2.
const HTTP_PROVIDERS = [
    {provide: XSRFStrategy, useClass: NoXSRFStrategy},
    {provide: Http, useFactory:
      (xhrBackend: XHRBackend, requestOptions: RequestOptions): Http =>
          new Http(xhrBackend, requestOptions),
          deps: [XHRBackend, RequestOptions]},
    BrowserXhr,
    {provide: RequestOptions, useClass: BaseRequestOptions},
    {provide: ResponseOptions, useClass: BaseResponseOptions},
    XHRBackend
];
const injector = ReflectiveInjector.resolveAndCreate([HTTP_PROVIDERS]);
const http = injector.get(Http);