How to use the stripe.com function in stripe

.get('/v2/list.json')
      .expect(200);
    if (!res.ok) {
      throw new Error('Unable to download API listing from apis.guru');
    }

    // Remove certain APIs that are known to cause problems
    const apis = res.body;

    // GitHub's CORS policy blocks this request
    delete apis['googleapis.com:adsense'];

    // These APIs cause infinite loops in json-schema-ref-parser.  Still investigating.
    // https://github.com/BigstickCarpet/json-schema-ref-parser/issues/56
    delete apis['bungie.net'];
    delete apis['stripe.com'];

    // Flatten the list, so there's an API object for every API version
    realWorldAPIs = [];
    for (const apiName in apis) {
      for (const version in apis[apiName].versions) {
        const api = apis[apiName].versions[version];
        api.name = apiName;
        api.version = version;
        realWorldAPIs.push(api);
      }
    }
  });

.end(function (err, res) {
        if (err || !res.ok) {
          return done(err || new Error('Unable to downlaod real-world APIs from apis.guru'));
        }

        // Remove certain APIs that are known to cause problems
        var apis = res.body;

        // GitHub's CORS policy blocks this request
        delete apis['googleapis.com:adsense'];

        // These APIs cause infinite loops in json-schema-ref-parser.  Still investigating.
        // https://github.com/BigstickCarpet/json-schema-ref-parser/issues/56
        delete apis['bungie.net'];
        delete apis['stripe.com'];

        // Flatten the list, so there's an API object for every API version
        realWorldAPIs = [];
        Object.keys(apis).forEach(function (apiName) {
          Object.keys(apis[apiName].versions).forEach(function (version) {
            var api = apis[apiName].versions[version];
            api.name = apiName;
            api.version = version;
            realWorldAPIs.push(api);
          });
        });

        done();
      });
  });