diff --git a/generatePokemonData.ts b/generatePokemonData.ts
index ddb4369..74aa813 100644
--- a/generatePokemonData.ts
+++ b/generatePokemonData.ts
@@ -1,6 +1,6 @@
 import * as fs from 'fs';
 import Pokemon from 'pokemongo-json-pokedex/output/pokemon.json';
-import { IPokemon, IStats, League, Grade } from './src/ts/models/Pokemon';
+import { ILeaguePokemon, IPokemon, IStats, League, Grade } from './src/ts/app/models/Pokemon';
 
 interface ICpAndTotalFound {
     [ key : number ] : Array<IStats>;
@@ -34,12 +34,12 @@ const getClosestCpMultiplierIndex = (value : number) => {
 
 const familyOrder : Array<string> = [];
 const familyEvolutionOrder : { [ key : string ] : Array<string> } = {};
-const familyEncountered : { [ key : string ] : Array<IPokemon> } = {};
+const familyEncountered : { [ key : string ] : Array<ILeaguePokemon> } = {};
 Pokemon.forEach((mon) => {
     const baseAtk = mon.stats.baseAttack;
     const baseDef = mon.stats.baseDefense;
     const baseHp = mon.stats.baseStamina;
-    const pokemon : IPokemon = {
+    const pokemon : ILeaguePokemon = {
         id: mon.id,
         name: mon.name,
         dex: mon.dex,
@@ -184,7 +184,7 @@ Pokemon.forEach((mon) => {
     });
 });
 
-const pokemonOrder : Array<{ id : string, name : string }> = [];
+const pokemonOrder : Array<IPokemon> = [];
 familyOrder.forEach((familyId) => {
     familyEvolutionOrder[familyId].forEach((id, order) => {
         familyEncountered[familyId].some((pokemon, index) => {
@@ -196,11 +196,9 @@ familyOrder.forEach((familyId) => {
         });
     });
 
-    familyEncountered[familyId].forEach((pokemon) => {
-        pokemonOrder.push({
-            id: pokemon.id,
-            name: pokemon.name,
-        });
+    familyEncountered[familyId].forEach((leaguePokemon) => {
+        const { pvp, ...pokemon } = leaguePokemon;
+        pokemonOrder.push(pokemon);
     });
 });
 
diff --git a/src/ts/api/AjaxUtils.ts b/src/ts/api/AjaxUtils.ts
new file mode 100644
index 0000000..cfaf652
--- /dev/null
+++ b/src/ts/api/AjaxUtils.ts
@@ -0,0 +1,223 @@
+export interface IRestApiRejection {
+    message : string;
+    status : number;
+    xhr : XMLHttpRequest;
+    error : Error | null;
+    type : string | null;
+    content : any | null;
+}
+
+const buildQueryString = (queryObject : any) => {
+    const queryParameters : Array<string> = [];
+    let queryString = '';
+    Object.keys(queryObject || {}).forEach((key : string) => {
+        queryParameters.push(key + '=' + encodeURIComponent(queryObject[key]));
+    });
+    if (queryParameters.length > 0) {
+        queryString = '?' + queryParameters.join('&');
+    }
+    return queryString;
+};
+
+const handleXhrOnLoad = (resolve : (value : any) => void, reject : (reason : any) => void, xhr : XMLHttpRequest) : void => {
+    if (xhr.readyState === 4 && (xhr.status === 200 || xhr.status === 204)) {
+        if (xhr.responseType === '' && xhr.responseText === '') {
+            return resolve(undefined);
+        }
+        if (xhr.responseType === 'text') {
+            return resolve(xhr.response);
+        }
+        try {
+            const responseJSON = JSON.parse(xhr.response);
+
+            if (typeof(responseJSON.success) !== 'undefined' && !responseJSON.success) {
+                if (responseJSON.error === 'user_required') {
+                    window.location.reload();
+                }
+            }
+
+            return resolve(responseJSON);
+        } catch (e) {
+            const rejection : IRestApiRejection = {
+                message: e.message,
+                status: xhr.status,
+                xhr,
+                error: e,
+                type: null,
+                content: null,
+            };
+            // tslint:disable-next-line:no-console
+            console.error('Failed to parse response', xhr);
+            return reject(rejection);
+        }
+    } else {
+        return handleXhrOnLoadCaughtException(reject, xhr);
+    }
+};
+
+const handleXhrOnLoadCaughtException = (reject : (reason : any) => void, xhr : XMLHttpRequest) : void => {
+    if (xhr.status === 401) {
+        window.location.reload();
+    }
+
+    if (xhr.responseType === 'text' || xhr.responseType === '') {
+        const rejection : IRestApiRejection = {
+            message: xhr.responseText || xhr.statusText,
+            status: xhr.status,
+            xhr,
+            error: null,
+            type: null,
+            content: null,
+        };
+        return reject(rejection);
+    }
+    try {
+        const responseJSON = JSON.parse(xhr.response);
+
+        const rejection : IRestApiRejection = {
+            message: responseJSON.message || xhr.statusText,
+            status: xhr.status,
+            xhr,
+            error: null,
+            type: responseJSON.exception_type,
+            content: responseJSON.content,
+        };
+        return reject(rejection);
+    } catch (e) {
+        const rejection : IRestApiRejection = {
+            message: e.message,
+            status: xhr.status,
+            xhr,
+            error: e,
+            type: null,
+            content: null,
+        };
+        // tslint:disable-next-line:no-console
+        console.error('Failed to parse response', xhr);
+        return reject(rejection);
+    }
+};
+
+export const AjaxUtils = {
+    ajaxGet(url : string, queryObject? : any) : Promise<any> {
+        return new Promise<any>((resolve, reject) => {
+            const xhr = new XMLHttpRequest();
+            const cacheBustingQueryObject = (queryObject || {}); // IE 11 caches GET requests
+            cacheBustingQueryObject._cache_busting_arg_ = +new Date(); // this parameter name must be in the backend's excluded parameter set (see api_utils.py)
+
+            xhr.open('GET', url + buildQueryString(cacheBustingQueryObject));
+            xhr.withCredentials = true;
+            xhr.onload = () => {
+                if (xhr.readyState === 4 && xhr.status === 200) {
+                    try {
+                        return resolve(JSON.parse(xhr.response));
+                    } catch (e) {
+                        const rejection : IRestApiRejection = {
+                            message: e.message,
+                            status: xhr.status,
+                            xhr,
+                            error: e,
+                            type: null,
+                            content: null,
+                        };
+                        // tslint:disable-next-line:no-console
+                        console.error('Failure to parse response', xhr);
+                        return reject(rejection);
+                    }
+                } else {
+                    return handleXhrOnLoadCaughtException(reject, xhr);
+                }
+            };
+            xhr.onerror = (e) => {
+                return handleXhrOnLoadCaughtException(reject, xhr);
+            };
+            xhr.send();
+        });
+    },
+
+    ajaxPost(url : string, postBody : any, queryObject? : any, type? : 'text' | 'json') : Promise<any> {
+        return new Promise<any>((resolve, reject) => {
+            const xhr = new XMLHttpRequest();
+            xhr.open('POST', url + buildQueryString(queryObject));
+            xhr.withCredentials = true;
+            xhr.setRequestHeader('Content-Type', 'application/json');
+            xhr.setRequestHeader('X-CSRFToken', (window as any).CSRF_TOKEN);
+            xhr.onload = () => {
+                if (xhr.readyState === 4 && (xhr.status === 200 || xhr.status === 201)) {
+                    if (type === 'text') {
+                        return resolve(xhr.response);
+                    }
+                    try {
+                        return resolve(JSON.parse(xhr.response));
+                    } catch (e) {
+                        const rejection : IRestApiRejection = {
+                            message: e.message,
+                            status: xhr.status,
+                            xhr,
+                            error: e,
+                            type: null,
+                            content: null,
+                        };
+                        // tslint:disable-next-line:no-console
+                        console.error('Failure to parse response', xhr);
+                        return reject(rejection);
+                    }
+                } else {
+                    return handleXhrOnLoadCaughtException(reject, xhr);
+                }
+            };
+            xhr.onerror = (e) => {
+                return handleXhrOnLoadCaughtException(reject, xhr);
+            };
+            xhr.send(JSON.stringify(postBody || undefined));
+        });
+    },
+
+    ajaxPostForm(url : string, formData? : FormData, queryObject? : any) : Promise<any> {
+        // Lesman 4/24/2017
+        // NOTE: you do not set the Content-Type on this request,
+        // the browser will automatically encode the form data and
+        // set the appropriate Content-Type. The encoding is browser
+        // specific so you MUST allow the browser to set the header
+        return new Promise<any>((resolve, reject) => {
+            const xhr = new XMLHttpRequest();
+            xhr.open('POST', url + buildQueryString(queryObject));
+            xhr.withCredentials = true;
+            xhr.setRequestHeader('X-CSRFToken', (window as any).CSRF_TOKEN);
+            xhr.onload = () => handleXhrOnLoad(resolve, reject, xhr);
+            xhr.onerror = (e) => {
+                return handleXhrOnLoadCaughtException(reject, xhr);
+            };
+            xhr.send(formData);
+        });
+    },
+
+    ajaxPut(url : string, postBody : any, queryObject? : any) : Promise<any> {
+        return new Promise<any>((resolve, reject) => {
+            const xhr = new XMLHttpRequest();
+            xhr.open('PUT', url + buildQueryString(queryObject));
+            xhr.withCredentials = true;
+            xhr.setRequestHeader('Content-Type', 'application/json');
+            xhr.setRequestHeader('X-CSRFToken', (window as any).CSRF_TOKEN);
+            xhr.onload = () => handleXhrOnLoad(resolve, reject, xhr);
+            xhr.onerror = (e) => {
+                return handleXhrOnLoadCaughtException(reject, xhr);
+            };
+            xhr.send(JSON.stringify(postBody || undefined));
+        });
+    },
+
+    ajaxDelete(url : string, queryObject? : any) : Promise<any> {
+        return new Promise<any>((resolve, reject) => {
+            const xhr = new XMLHttpRequest();
+            xhr.open('DELETE', url + buildQueryString(queryObject));
+            xhr.withCredentials = true;
+            xhr.setRequestHeader('X-CSRFToken', (window as any).CSRF_TOKEN);
+            xhr.onload = () => handleXhrOnLoad(resolve, reject, xhr);
+            xhr.onerror = (e) => {
+                return handleXhrOnLoadCaughtException(reject, xhr);
+            };
+            xhr.send();
+        });
+    },
+};
diff --git a/src/ts/api/PokemonService.ts b/src/ts/api/PokemonService.ts
new file mode 100644
index 0000000..e542cde
--- /dev/null
+++ b/src/ts/api/PokemonService.ts
@@ -0,0 +1,51 @@
+import { AjaxUtils } from 'src/ts/api/AjaxUtils';
+
+import { IPokemon } from 'src/ts/app/models/Pokemon';
+
+interface IPokemonService {
+
+}
+
+export class PokemonService implements IPokemonService {
+    public getPokemonList() {
+        const queryParameters = {
+            type: 'no touch',
+            is_active: true,
+        };
+
+        return AjaxUtils.ajaxGet('/api/billing/plan', queryParameters)
+        .then((response : Array<object>) => {
+            return Promise.resolve(this.serializePokemonList(response));
+        });
+    }
+
+    // does `object` need to be `any`?
+    private serializePokemonList(jsonPokemonList : Array<object>) : Array<IPokemon> {
+        const pokemonList = jsonPokemonList.map((jsonPokemon) => {
+            let pokemon : IPokemon | null = null;
+            try {
+                if (typeof jsonPokemon.name !== 'string') {
+                    throw 'pokemon missing name';
+                }
+                if (typeof jsonPokemon.id !== 'string') {
+                    throw 'pokemon missing id';
+                }
+                if (typeof jsonPokemon.family !== 'string') {
+                    throw 'pokemon missing family';
+                }
+                if (typeof jsonPokemon.dex !== 'number') {
+                    throw 'pokemon missing dex';
+                }
+                if (typeof jsonPokemon.stats !== 'object') {
+                    throw 'pokemon missing stats';
+                }
+                pokemon = { ...jsonPokemon };
+            } catch (e) {
+                console.error(jsonPokemon, e.message);
+            }
+            return pokemon;
+        });
+        // TODO should we allow `null`s?
+        return pokemonList;
+    }
+}
diff --git a/src/ts/index.tsx b/src/ts/app/index.tsx
similarity index 100%
rename from src/ts/index.tsx
rename to src/ts/app/index.tsx
diff --git a/src/ts/models/Pokemon.ts b/src/ts/app/models/Pokemon.ts
similarity index 92%
rename from src/ts/models/Pokemon.ts
rename to src/ts/app/models/Pokemon.ts
index 03264aa..e015192 100644
--- a/src/ts/models/Pokemon.ts
+++ b/src/ts/app/models/Pokemon.ts
@@ -13,13 +13,15 @@ export interface IBaseStats {
     baseStamina : number;
 }
 
-export type League = 'great' | 'ultra';
 export interface IPokemon {
     name : string;
     id : string;
     family : string;
     dex : number;
     stats : IBaseStats;
+}
+export type League = 'great' | 'ultra';
+export interface ILeaguePokemon extends IPokemon {
     pvp : {
         great : Array<IStats>;
         ultra : Array<IStats>;