diff --git a/types/overwatch-api/index.d.ts b/types/overwatch-api/index.d.ts
new file mode 100644
index 0000000000..8eaac311c8
--- /dev/null
+++ b/types/overwatch-api/index.d.ts
@@ -0,0 +1,328 @@
+// Type definitions for overwatch-api 0.4
+// Project: https://github.com/alfg/overwatch-api
+// Definitions by: JoshuaHall <https://github.com/JoshuaHall>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+// TypeScript Version: 2.1
+
+export type callbackFunc<T> = (err: Error | null, data: T) => void;
+
+export type OverwatchPlatform = "pc" | "xbl" | "psn";
+export type OverwatchServerRegion = "us" | "eu" | "kr" | "cn" | "global";
+export type OverwatchHero =
+    | "Zarya"
+    | "Mercy"
+    | "Reinhardt"
+    | "Zenyatta"
+    | "Hanzo"
+    | "Orisa"
+    | "Genji"
+    | "Roadhog"
+    | "McCree"
+    | "Tracer"
+    | "Ana"
+    | "Winston"
+    | "D.Va"
+    | "Moira"
+    | "Junkrat"
+    | "Soldier: 76"
+    | "Brigitte"
+    | "Lúcio"
+    | "Torbjörn"
+    | "Reaper"
+    | "Pharah"
+    | "Widowmaker"
+    | "Bastion"
+    | "Symmetra"
+    | "Mei"
+    | "Sombra"
+    | "Doomfist";
+
+export interface GameType {
+    won: number;
+    played: number;
+}
+
+export type QuickplayGameType = GameType;
+
+export interface CompetitiveGameType extends GameType {
+    lost: number;
+    draw: number;
+    win_rate: number;
+}
+
+export interface GameTypes {
+    quickplay: QuickplayGameType;
+    competitive: CompetitiveGameType;
+}
+
+export interface Playtime {
+    quickplay: string;
+    competitive: string;
+}
+
+export interface CompetitiveRankInfo {
+    rank: number;
+    rank_img: string;
+}
+
+export interface OverwatchApiResponse {
+    username: string;
+    level: number;
+    portrait: string;
+}
+
+export interface ProfileApiResponse extends OverwatchApiResponse {
+    games: GameTypes;
+    playtime: Playtime;
+    competitive: CompetitiveRankInfo;
+    levelFrame: string;
+    star: string;
+}
+
+export interface TopHeroStats {
+    hero: OverwatchHero;
+    img: string;
+}
+
+export interface HeroTimePlayed extends TopHeroStats {
+    played: string;
+}
+
+export interface HeroGamesWon extends TopHeroStats {
+    games_won: string;
+}
+
+export interface HeroWinRate extends TopHeroStats {
+    win_rate: string;
+}
+
+export interface Stat {
+    title: string;
+    value: string;
+}
+
+export interface StatsByGameType<T> {
+    quickplay: T[];
+    competitive: T[];
+}
+
+export interface StatByGameType<T, U> {
+    quickplay: T;
+    competitive: U;
+}
+
+export interface QuickplayTopHeroData {
+    played: HeroTimePlayed[];
+    games_won: HeroGamesWon[];
+}
+
+export interface CompetitiveTopHeroData extends QuickplayTopHeroData {
+    win_rate: HeroWinRate[];
+}
+
+export interface StatsCategories {
+    top_heroes: StatByGameType<
+        QuickplayTopHeroData,
+        CompetitiveTopHeroData
+    >;
+    combat: StatsByGameType<Stat>;
+    match_awards: StatsByGameType<Stat>;
+    assists: StatsByGameType<Stat>;
+    average: StatsByGameType<Stat>;
+    miscellaneous: StatsByGameType<Stat>;
+    best: StatsByGameType<Stat>;
+    game: StatsByGameType<Stat>;
+}
+
+export interface StatsApiResponse extends OverwatchApiResponse {
+    stats: StatsCategories;
+}
+
+export function getProfile(
+    platform: OverwatchPlatform,
+    region: OverwatchServerRegion,
+    tag: string,
+    callback: callbackFunc<ProfileApiResponse>,
+): void;
+export function getStats(
+    platform: OverwatchPlatform,
+    region: OverwatchServerRegion,
+    tag: string,
+    callback: callbackFunc<StatsApiResponse>,
+): void;
+export namespace owl {
+    interface ApiResponse<T> {
+        data: T;
+    }
+
+    interface StandingInfo {
+        matchWin: number;
+        matchLoss: number;
+        matchDraw: number;
+        matchBye: number;
+        gameWin: number;
+        gameLoss: number;
+        gameTie: number;
+        gamePointsFor: number;
+        gamePointsAgainst: number;
+        placement: number;
+    }
+
+    interface StandingComparison {
+        key: string;
+        value: number;
+    }
+
+    interface StageStandingInfo extends PreseasonStandingInfo {
+        isPlayoffWinner: boolean;
+    }
+
+    interface Stages {
+        stage1: StageStandingInfo;
+        stage2: StageStandingInfo;
+        stage3: StageStandingInfo;
+        stage4: StageStandingInfo;
+    }
+
+    interface PreseasonStandingInfo extends StandingInfo {
+        comparisons: StandingComparison[];
+    }
+
+    interface TeamStandingInfo {
+        id: number;
+        divisionId: number;
+        name: string;
+        abbreviatedName: string;
+        league: StandingInfo;
+        stages: Stages;
+        preseason: PreseasonStandingInfo;
+    }
+
+    interface LiveMatchData {
+        liveMatch: {};
+    }
+
+    interface TournamentData {
+        id: number;
+        type: string;
+    }
+
+    interface MatchScores {
+        value: number;
+    }
+
+    interface TeamData {
+        id: number;
+        availableLanguages: string[];
+        handle: string;
+        name: string;
+        homeLocation: string;
+        primaryColor: string;
+        secondaryColor: string;
+        game: string;
+        abbreviatedName: string;
+        addressCountry: string;
+        logo: string;
+        icon: string;
+        secondaryPhoto: string;
+        type: string;
+    }
+
+    interface MatchGameScore {
+        team1: number;
+        team2: number;
+    }
+
+    interface MatchGameAttributeData {
+        instanceID: string;
+        map: string;
+        mapScore: MatchGameScore;
+    }
+
+    type ScoreTuple = [number, number];
+
+    interface MatchGameData {
+        id: number;
+        points: ScoreTuple;
+        attributes: MatchGameAttributeData;
+        attributesVersion: string;
+        state: string;
+        status: string;
+        statusReason: string;
+        stats: null;
+        handle: string;
+    }
+
+    interface MatchVideoData {
+        name: number;
+        description: string;
+        vodLink: string;
+        youtubeId: string;
+        thumbnailUrl: string;
+    }
+
+    interface MatchTournamentData {
+        id: number;
+        type: string;
+        location: string;
+    }
+
+    interface MatchData {
+        id: number;
+        competitors: TeamData[];
+        scores: MatchScores[];
+        conclusionValue: number;
+        conclusionStrategy: string;
+        winner: TeamData;
+        state: string;
+        status: string;
+        statusReason: string;
+        attributes: {};
+        games: MatchGameData[];
+        clientHints: any[];
+        dateCreated: number;
+        flags: any[];
+        handle: string;
+        startDate: string;
+        endDate: string;
+        showStartTime: boolean;
+        showEndTime: boolean;
+        startDateTS: number;
+        endDateTS: number;
+        youtubeId: string;
+        wins: ScoreTuple;
+        ties: ScoreTuple;
+        losses: ScoreTuple;
+        videos: MatchVideoData[];
+        tournament: MatchTournamentData;
+    }
+
+    interface WeekData {
+        id: number;
+        startDate: number;
+        endDate: number;
+        matches: MatchData[];
+        name: string;
+    }
+
+    interface StageScheduleInfo {
+        id: number;
+        slug: string;
+        enabled: boolean;
+        name: string;
+        tournament: TournamentData[];
+        matches: MatchData[];
+        weeks: WeekData[];
+    }
+
+    interface ScheduleInfo {
+        startDate: string;
+        endDate: string;
+        stages: StageScheduleInfo[];
+    }
+
+    function getLiveMatch(callback: callbackFunc<ApiResponse<LiveMatchData>>): void;
+    function getStandings(callback: callbackFunc<ApiResponse<TeamStandingInfo[]>>): void;
+    function getSchedule(callback: callbackFunc<ApiResponse<ScheduleInfo>>): void;
+}
diff --git a/types/overwatch-api/overwatch-api-tests.ts b/types/overwatch-api/overwatch-api-tests.ts
new file mode 100644
index 0000000000..bd4df128a0
--- /dev/null
+++ b/types/overwatch-api/overwatch-api-tests.ts
@@ -0,0 +1,25 @@
+import { getProfile, OverwatchPlatform, OverwatchServerRegion, ProfileApiResponse, owl } from 'overwatch-api';
+
+const platform: OverwatchPlatform = 'pc';
+const region: OverwatchServerRegion = 'us';
+const battleTag = 'sparK#12434';
+
+getProfile(platform, region, battleTag, (err: Error | null, data: ProfileApiResponse) => {
+    if (err === null) {
+        console.log(`Username: ${data.username}`);
+        console.log(`Level: ${data.level}`);
+        console.log(`Rank: ${data.competitive.rank} SR`);
+        console.log(`Win Rate in Competitive: ${data.games.competitive.win_rate}`);
+    } else {
+        console.log(err);
+    }
+});
+
+owl.getStandings((err: Error | null, data: owl.ApiResponse<owl.TeamStandingInfo[]>) => {
+    if (err === null) {
+        const standingInfo: owl.TeamStandingInfo = data.data[0];
+        console.log(`${standingInfo.name} - ${standingInfo.abbreviatedName}`);
+    } else {
+        console.log(err);
+    }
+});
diff --git a/types/overwatch-api/tsconfig.json b/types/overwatch-api/tsconfig.json
new file mode 100644
index 0000000000..284f7c4d4c
--- /dev/null
+++ b/types/overwatch-api/tsconfig.json
@@ -0,0 +1,24 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6",
+            "dom"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "overwatch-api-tests.ts"
+    ]
+}
diff --git a/types/overwatch-api/tslint.json b/types/overwatch-api/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/overwatch-api/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }