diff --git a/index.ts b/index.ts
index 8b98937..739a4a7 100644
--- a/index.ts
+++ b/index.ts
@@ -1,5 +1,4 @@
-import { CreateClient, CreateOptions } from './lib/types';
-import { apiUrls } from './lib/utils/apis';
+import { CreateClient, CreateOptions, apiUrlByResource } from './lib/types';
 import { createEvents } from './lib/events';
 
 const _ = require('underscore');
@@ -78,7 +77,7 @@ export const createClient: CreateClient = function (clientOptions) {
   const requestor = buildRequestor(clientOptions);
 
   const options: CreateOptions = {
-    apiUrls: apiUrls,
+    apiUrls: apiUrlByResource,
     requestor: requestor,
     clientOptions: {
       accessToken: clientOptions.accessToken || process.env.SMARTSHEET_ACCESS_TOKEN,
diff --git a/lib/events/index.ts b/lib/events/index.ts
index 47c2151..c578337 100644
--- a/lib/events/index.ts
+++ b/lib/events/index.ts
@@ -1,30 +1,14 @@
+import { createApiProvider } from '../utils/createApiProvider';
 import { EventsApi, GetEventsOptions, GetEventsResponse } from './types';
-import { ClientOptions, CreateOptions, RequestCallback, RequestOptions } from '../types';
-
-type OptionsToSend = Partial<ClientOptions> & {
-  url: string;
-};
+import { ApiResource, CreateOptions, RequestCallback, RequestOptions } from '../types';
 
 export const createEvents = (options: CreateOptions): EventsApi => {
-  const requester = options.requestor;
-
-  let optionsToSend: OptionsToSend = {
-    url: options.apiUrls.events,
-  };
-
-  if (options.clientOptions) {
-    optionsToSend = {
-      ...optionsToSend,
-      ...options.clientOptions,
-    };
-  }
-
-  return {
+  return createApiProvider<EventsApi>(options, ApiResource.Events, (requester, optionsToSend) => ({
     getEvents: (
       options: RequestOptions<GetEventsOptions, undefined>,
       callback?: RequestCallback<GetEventsResponse>
     ): Promise<GetEventsResponse> => {
       return requester.get({ ...optionsToSend, ...options }, callback);
     },
-  };
+  }));
 };
diff --git a/lib/favorites/endpoints/AddItemsToFavorites.ts b/lib/favorites/endpoints/AddItemsToFavorites.ts
new file mode 100644
index 0000000..68b052c
--- /dev/null
+++ b/lib/favorites/endpoints/AddItemsToFavorites.ts
@@ -0,0 +1,60 @@
+import { RequestCallback } from '../../types';
+import { ApiGenerator, FavoritableResource, FavoriteItem, PostResult } from '../sharedTypes';
+const _ = require('underscore');
+
+type AddItemsToFavoritesParams = {
+  body: FavoriteItem | FavoriteItem[];
+};
+
+type AddItemsToFavoritesResponse = {
+  /**
+   * @description Favorite (object) or Array of Favorite (objects)
+   */
+  result: FavoriteItem | FavoriteItem[];
+} & PostResult;
+
+type AddItemsToFavoritesRequest = (
+  params: AddItemsToFavoritesParams,
+  callback: RequestCallback<AddItemsToFavoritesResponse>
+) => Promise<AddItemsToFavoritesResponse>;
+
+export const addItemsToFavorites: ApiGenerator<AddItemsToFavoritesRequest> =
+  (requestor, optionsToSend) => (params, callback) => {
+    // TODO Bfeigin do i need to explicitly set this to be a body param?
+    return requestor.post(_.extend({}, optionsToSend, params), callback);
+  };
+
+type AddResourceToFavoritesParams = {
+  objectId: string;
+};
+
+type AddItemOfTypeToFavoritesRequest = (
+  params: AddResourceToFavoritesParams,
+  callback: RequestCallback<AddItemsToFavoritesResponse>
+) => Promise<AddItemsToFavoritesResponse>;
+
+type AddFavoritesBuilder = (resourceType: FavoritableResource) => ApiGenerator<AddItemOfTypeToFavoritesRequest>;
+
+export const buildAddFavoriteResourceFn: AddFavoritesBuilder = (resourceType: FavoritableResource) => {
+  return (requestor, optionsToSend) => (params, callback) => {
+    const generatedBody = {
+      objectId: params.objectId,
+      type: resourceType,
+    };
+
+    // Ensure we've extracted out any type and objectId params, placing them into body instead
+    const constructedPostParams = {
+      ..._.omit(params, 'type', 'objectId'),
+      body: generatedBody,
+    };
+
+    return requestor.post(_.extend({}, optionsToSend, constructedPostParams), callback);
+  };
+};
+
+export const addSheetToFavorites = buildAddFavoriteResourceFn(FavoritableResource.Sheet);
+export const addFolderToFavorites = buildAddFavoriteResourceFn(FavoritableResource.Folder);
+export const addReportToFavorites = buildAddFavoriteResourceFn(FavoritableResource.Report);
+export const addTemplateToFavorites = buildAddFavoriteResourceFn(FavoritableResource.Template);
+export const addWorkspaceToFavorites = buildAddFavoriteResourceFn(FavoritableResource.Workspace);
+export const addSightToFavorites = buildAddFavoriteResourceFn(FavoritableResource.Sight);
diff --git a/lib/favorites/endpoints/ListFavorites.ts b/lib/favorites/endpoints/ListFavorites.ts
new file mode 100644
index 0000000..006c4f6
--- /dev/null
+++ b/lib/favorites/endpoints/ListFavorites.ts
@@ -0,0 +1,32 @@
+import { RequestCallback } from '../../types';
+import { ApiGenerator, FavoriteItem, Pagination, PaginationResponse } from '../sharedTypes';
+
+type IncludeOptions = string;
+
+type ListFavortesParams = {
+  /**
+   * @description If true, include all results, that is, do not paginate. Mutually exclusive with page and pageSize (they are ignored if includeAll=true is specified).
+   */
+  includeAll?: boolean;
+  /**
+   * @description A comma-separated list of optional elements to include in the response.
+   * Enum ["directId", "name"]
+   */
+  include?: IncludeOptions;
+} & Pagination;
+
+export type ListFavoritesResponse = PaginationResponse & {
+  data: FavoriteItem[];
+};
+/**
+ * @description Gets a list of all of the user's favorite items.
+ */
+export type ListFavoritesRequest = (
+  params: ListFavortesParams,
+  callback: RequestCallback<ListFavoritesResponse>
+) => Promise<ListFavoritesResponse>;
+
+export const createListFavorites: ApiGenerator<ListFavoritesRequest> =
+  (requestor, optionsToSend) => (params, callback) => {
+    return requestor.get({ ...optionsToSend, ...params }, callback);
+  };
diff --git a/lib/favorites/endpoints/RemoveFavorites.ts b/lib/favorites/endpoints/RemoveFavorites.ts
new file mode 100644
index 0000000..bc103b9
--- /dev/null
+++ b/lib/favorites/endpoints/RemoveFavorites.ts
@@ -0,0 +1,11 @@
+import { FavoritableResource, FavoriteItem } from '../sharedTypes';
+
+type RemoveSingleFavoriteItem = {};
+
+type RemoveFavoritesBaseParams = {
+  /**
+   * @description A string or array of strings representing the objectIds to remove from favorites
+   */
+  objectIds: FavoriteItem['objectId'] | FavoriteItem['objectId'][];
+  favoriteType: FavoritableResource;
+};
diff --git a/lib/favorites/index.ts b/lib/favorites/index.ts
new file mode 100644
index 0000000..d2f3b4c
--- /dev/null
+++ b/lib/favorites/index.ts
@@ -0,0 +1,60 @@
+import { ApiResource, CreateOptions } from '../types';
+import { createApiProvider } from '../utils/createApiProvider';
+import { createListFavorites } from './endpoints/ListFavorites';
+import {
+  addFolderToFavorites,
+  addItemsToFavorites,
+  addReportToFavorites,
+  addSheetToFavorites,
+  addSightToFavorites,
+  addTemplateToFavorites,
+  addWorkspaceToFavorites,
+} from './endpoints/AddItemsToFavorites';
+import { ApiGenerator } from './sharedTypes';
+import { FavoritesApi } from './types';
+
+const buildFavoritesApi: ApiGenerator<FavoritesApi> = (requestor, optionsToSend) => {
+  return {
+    listFavorites: createListFavorites(requestor, optionsToSend),
+    addItemsToFavorites: addItemsToFavorites(requestor, optionsToSend),
+    addFolderToFavorites: addFolderToFavorites(requestor, optionsToSend),
+    addReportToFavorites: addReportToFavorites(requestor, optionsToSend),
+    addSheetToFavorites: addSheetToFavorites(requestor, optionsToSend),
+    addSightToFavorites: addSightToFavorites(requestor, optionsToSend),
+    addTemplateToFavorites: addTemplateToFavorites(requestor, optionsToSend),
+    addWorkspaceToFavorites: addWorkspaceToFavorites(requestor, optionsToSend),
+    // Duplicate of addItemsToFavorites
+    addMultipleToFavorites: addItemsToFavorites(requestor, optionsToSend),
+  };
+};
+
+//type FavoritesApi = {
+//    listFavorites : listFavorites,
+//    addItemsToFavorites : addItemsToFavorites,
+//    addSheetToFavorites : addSheetToFavorites,
+//    addFolderToFavorites : addFolderToFavorites,
+//    addReportToFavorites : addReportToFavorites,
+//    addTemplateToFavorites : addTemplateToFavorites,
+//    addSightToFavorites : addSightToFavorites,
+//    addWorkspaceToFavorites : addWorkspaceToFavorites,
+//    addMultipleToFavorites : addMultipleToFavorites,
+//    removeSheetFromFavorites : removeSheetFromFavorites,
+//    removeFolderFromFavorites : removeFolderFromFavorites,
+//    removeReportFromFavorites : removeReportFromFavorites,
+//    removeTemplateFromFavorites : removeTemplateFromFavorites,
+//    removeSightFromFavorites : removeSightFromFavorites,
+//    removeWorkspaceFromFavorites : removeWorkspaceFromFavorites,
+//    //convenience methods to remove multiples.
+//    //Uses the same as the singular remove methods.
+//    removeSheetsFromFavorites : removeSheetFromFavorites,
+//    removeFoldersFromFavorites : removeFolderFromFavorites,
+//    removeReportsFromFavorites : removeReportFromFavorites,
+//    removeTemplatesFromFavorites : removeTemplateFromFavorites,
+//    removeSightsFromFavorites : removeSightFromFavorites,
+//    removeWorkspacesFromFavorites : removeWorkspaceFromFavorites
+//
+//}
+
+export const createFavorites = (options: CreateOptions) => {
+  return createApiProvider(options, ApiResource.Favorites, buildFavoritesApi);
+};
diff --git a/lib/favorites/sharedTypes.ts b/lib/favorites/sharedTypes.ts
new file mode 100644
index 0000000..4133ec6
--- /dev/null
+++ b/lib/favorites/sharedTypes.ts
@@ -0,0 +1,58 @@
+import { OptionsToSend, Requestor } from '../types';
+
+export type Pagination = {
+  /**
+   * @description Which page to return. Defaults to 1 if not specified. If you specify a value greater than the total number of pages, the last page of results is returned.
+   *
+   */
+  page?: number;
+  /**
+   * @description The maximum number of items to return per page. Unless otherwise stated for a specific endpoint, defaults to 100. If only page is specified, defaults to a page size of 100. For reports, the default is 100 rows. If you need larger sets of data from your report, returns a maximum of 10,000 rows per request.
+   */
+  pageSize?: number;
+};
+
+export type PaginationResponse = {
+  pageNumber: number;
+  pageSize?: number;
+  totalPages: number;
+  totalCount: number;
+};
+
+export enum FavoritableResource {
+  Folder = 'folder',
+  Report = 'report',
+  Sheet = 'sheet',
+  Sight = 'sight',
+  Template = 'template',
+  Workspace = 'workspace',
+}
+
+export enum ResponseStatusMessage {
+  PartialSuccess = 'PARTIAL_SUCCESS',
+  SUCCESS = 'SUCCESS',
+}
+
+export enum ResultCode {
+  Success = 0,
+  PartialSuccess = 3,
+}
+
+export type PostResult = {
+  /**
+   * @description Message that indicates the outcome of the request. (One of SUCCESS or PARTIAL_SUCCESS)
+   */
+  message: ResponseStatusMessage;
+  /**
+   * @description number indicating result status: 0 Success, 3 Partial Success of Bulk Operation
+   *
+   */
+  resultCode: ResultCode;
+};
+
+export type FavoriteItem = {
+  objectId: string;
+  type: FavoritableResource;
+};
+
+export type ApiGenerator<T> = (requestor: Requestor, optionsToSend: OptionsToSend) => T;
diff --git a/lib/favorites/types.ts b/lib/favorites/types.ts
new file mode 100644
index 0000000..d9f26dc
--- /dev/null
+++ b/lib/favorites/types.ts
@@ -0,0 +1,5 @@
+import { ListFavoritesRequest } from "./endpoints/ListFavorites";
+
+export type FavoritesApi = {
+  listFavorites: ListFavoritesRequest;
+};
diff --git a/lib/types/ApiUrls.ts b/lib/types/ApiUrls.ts
index d349639..d16b664 100644
--- a/lib/types/ApiUrls.ts
+++ b/lib/types/ApiUrls.ts
@@ -1,20 +1,47 @@
-export interface ApiUrls {
-  contacts: string;
-  events: string;
-  favorites: string;
-  folders: string;
-  groups: string;
-  home: string;
-  imageUrls: string;
-  reports: string;
-  search: string;
-  server: string;
-  sheets: string;
-  sights: string;
-  templates: string;
-  templatesPublic: string;
-  token: string;
-  users: string;
-  webhooks: string;
-  workspaces: string;
+export enum ApiResource {
+  Contacts = 'contacts',
+  Events = 'events',
+  Favorites = 'favorites',
+  Folders = 'folders',
+  Groups = 'groups',
+  Home = 'home',
+  ImageUrls = 'imageurls',
+  Reports = 'reports',
+  Search = 'search',
+  Server = 'serverinfo',
+  Sheets = 'sheets',
+  Sights = 'sights',
+  Templates = 'templates',
+  TemplatesPublic = 'templatespublic',
+  Token = 'token',
+  Users = 'users',
+  Webhooks = 'webhooks',
+  Workspaces = 'workspaces',
 }
+
+export const apiUrlByResource = {
+  [ApiResource.Contacts]: 'contacts/',
+  [ApiResource.Events]: 'events/',
+  [ApiResource.Favorites]: 'favorites/',
+  [ApiResource.Folders]: 'folders/',
+  [ApiResource.Groups]: 'groups/',
+  [ApiResource.Home]: 'home/',
+  [ApiResource.ImageUrls]: 'imageurls/',
+  [ApiResource.Reports]: 'reports/',
+  [ApiResource.Search]: 'search/',
+  [ApiResource.Server]: 'serverinfo/',
+  [ApiResource.Sheets]: 'sheets/',
+  [ApiResource.Sights]: 'sights/',
+  [ApiResource.Templates]: 'templates/',
+  [ApiResource.TemplatesPublic]: 'templates/public',
+  [ApiResource.Token]: 'token',
+  [ApiResource.Users]: 'users/',
+  [ApiResource.Webhooks]: 'webhooks/',
+  [ApiResource.Workspaces]: 'workspaces/',
+} as const;
+
+// Map of ApiResource to path
+export type ApiUrlPathByResource = typeof apiUrlByResource;
+
+// Valid paths for Api Resources
+export type ApiUrlPath = ApiUrlPathByResource[ApiResource];
diff --git a/lib/types/CreateOptions.ts b/lib/types/CreateOptions.ts
index 2b048f7..aac048b 100644
--- a/lib/types/CreateOptions.ts
+++ b/lib/types/CreateOptions.ts
@@ -1,10 +1,30 @@
-import { ApiUrls } from './ApiUrls';
+import { ApiUrlPathByResource } from './ApiUrls';
 import { CreateClientOptions } from './CreateClientOptions';
 
 export type ClientOptions = Pick<CreateClientOptions, 'accessToken' | 'userAgent' | 'baseUrl'>;
 
+export interface Requestor {
+  get: (options: any, callback: any) => any;
+  put: (options: any, callback: any) => any;
+  post: (options: any, callback: any) => any;
+  postFile: (options: any, callback: any) => any;
+  delete: (options: any, callback: any) => any;
+  internal: {
+    buildHeaders: (options: any) => {
+      Accept: any;
+      'Content-Type': any;
+      'User-Agent': string;
+    };
+    buildUrl: (options: any) => any;
+  };
+}
+
 export interface CreateOptions {
-  apiUrls: ApiUrls;
-  requestor: any;
+  apiUrls: ApiUrlPathByResource;
+  requestor: Requestor;
   clientOptions?: ClientOptions;
 }
+
+export type OptionsToSend = Partial<ClientOptions> & {
+  url: string;
+};
diff --git a/lib/utils/apis.ts b/lib/utils/apis.ts
index 9ed792a..5fe19ba 100644
--- a/lib/utils/apis.ts
+++ b/lib/utils/apis.ts
@@ -1,21 +1,6 @@
-import { ApiUrls } from '../types';
-export const apiUrls: ApiUrls = {
-  contacts: 'contacts/',
-  events: 'events/',
-  favorites: 'favorites/',
-  folders: 'folders/',
-  groups: 'groups/',
-  home: 'home/',
-  imageUrls: 'imageurls/',
-  reports: 'reports/',
-  search: 'search/',
-  server: 'serverinfo/',
-  sheets: 'sheets/',
-  sights: 'sights/',
-  templates: 'templates/',
-  templatesPublic: 'templates/public',
-  token: 'token',
-  users: 'users/',
-  webhooks: 'webhooks/',
-  workspaces: 'workspaces/',
-};
+import { apiUrlByResource } from '../types';
+
+/*
+ * @depricated - Will be removed in v5, prefer apiUrlByResource instead
+ */
+export { apiUrlByResource as apiUrls };
diff --git a/lib/utils/createApiProvider.ts b/lib/utils/createApiProvider.ts
new file mode 100644
index 0000000..b02a611
--- /dev/null
+++ b/lib/utils/createApiProvider.ts
@@ -0,0 +1,22 @@
+import { ApiResource, CreateOptions, OptionsToSend, Requestor } from '../types';
+
+export const createApiProvider = <ApiContract>(
+  options: CreateOptions,
+  ApiResource: ApiResource,
+  createApi: (requestor: Requestor, optionsToSend: OptionsToSend) => ApiContract
+) => {
+  const requestor: Requestor = options.requestor;
+
+  let optionsToSend: OptionsToSend = {
+    url: options.apiUrls[ApiResource],
+  };
+
+  if (options.clientOptions) {
+    optionsToSend = {
+      ...optionsToSend,
+      ...options.clientOptions,
+    };
+  }
+
+  return createApi(requestor, optionsToSend);
+};