diff --git a/types/pendo-io-browser/index.d.ts b/types/pendo-io-browser/index.d.ts
new file mode 100644
index 0000000000..dfc04e25d4
--- /dev/null
+++ b/types/pendo-io-browser/index.d.ts
@@ -0,0 +1,167 @@
+// Type definitions for non-npm package Pendo.io Agent 2.16
+// Project: https://www.pendo.io/
+// Definitions by: Aaron Beall <https://github.com/aaronbeall>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.8
+
+declare namespace pendo {
+    interface Identity {
+        visitor: Visitor;
+        account?: Account;
+    }
+
+    type Metadata = Record<string, string | number | undefined>;
+
+    interface Visitor extends Metadata {
+        id: string;
+    }
+
+    interface Account extends Metadata {
+        id?: string;
+    }
+
+    interface InitOptions extends Identity {
+        apiKey?: string;
+        excludeAllText?: boolean;
+        excludeTitle?: boolean;
+        disablePersistence?: boolean;
+        guides?: {
+            delay?: boolean;
+            disable?: boolean;
+            timeout?: number;
+            tooltip?: {
+                arrowSize?: number;
+            }
+        };
+        events?: EventCallbacks;
+    }
+
+    interface EventCallbacks {
+        ready?(): void;
+        guidesLoaded?(): void;
+        guidesFailed?(): void;
+    }
+
+    interface Pendo {
+        // Initialization and Identification
+        initialize(options: InitOptions): void;
+        identify(visitorId: string, accountId?: string): void;
+        identify(identity: Identity): void;
+        isReady(): boolean;
+        flushNow(): Promise<any>;
+        updateOptions(visitorMetadata: Metadata): void;
+        getVersion(): string;
+        getVisitorId(): string;
+        getAccountId(): string;
+        getCurrentUrl(): string;
+
+        // Guides and Guide Center
+        findGuideByName(name: string): Guide | void;
+        findGuideById(id: string): Guide | void;
+        showGuideByName(name: string): void;
+        showGuideById(id: string): void;
+        toggleLauncher(): void;
+        removeLauncher(): void;
+
+        // Troubleshooting
+        loadGuides(): void;
+        startGuides(): void;
+        stopGuides(): void;
+
+        // Debugging
+        enableDebugging(): void;
+        disableDebugging(): void;
+        isDebuggingEnabled(coerce?: false): "Yes" | "No";
+        isDebuggingEnabled(coerce: true): boolean;
+        debugging: Debugging;
+
+        // Events
+        events: Events;
+        track(trackType: string, metadata?: Metadata): void;
+
+        // Guide Events
+        onGuideAdvanced(step?: GuideStep): void;
+        onGuideAdvanced(steps: { steps: number }): void;
+        onGuidePrevious(step?: GuideStep): void;
+        onGuideDismissed(step?: GuideStep): void;
+        onGuideDismissed(until: { until: "reload" }): void;
+
+        // Other
+        validateInstall(): void;
+        dom(input: any): HTMLElement; // TODO
+    }
+
+    interface Debugging {
+        getEventCache(): any[]; // TODO
+        getAllGuides(): Guide[];
+        getAutoGuides(): { auto: Guide[]; override: Guide[] };
+        getBadgeGuides(): Guide[];
+        getLauncherGuides(): Guide[];
+    }
+
+    type Events = {
+        [K in keyof EventCallbacks]-?: (callback: EventCallbacks[K]) => Events;
+    };
+
+    interface Guide {
+        createdByUser: User;
+        createdAt: number;
+        lastUpdatedByUser: User;
+        lastUpdatedAt: number;
+        kind: string;
+        rootVersionId: string;
+        stableVersionId: string;
+        id: string;
+        name: string;
+        state: "published" | "staged" | "draft" | "disabled";
+        launchMethod: "api" | "automatic" | "badge" | "dom" | "launcher";
+        isMultiStep: boolean;
+        steps: GuideStep[];
+        attributes: {
+            type: string;
+            device: { desktop: boolean; mobile: boolean; type: "desktop" | "mobile" };
+            badge: any;
+            priority: number;
+            launcher: { keywords: string[] };
+        };
+        audience: any[]; // TODO
+        audienceUiHint: { filters: any[] }; // TODO
+        resetAt: number;
+        publishedAt: number;
+    }
+
+    interface User {
+        id: string;
+        username: string;
+        first: string;
+        last: string;
+        role: number;
+        userType: string;
+    }
+
+    interface GuideStep {
+        id: string;
+        guideId: string;
+        type: string;
+        elementPathRule: string;
+        contentType: string;
+        contentUrl?: string;
+        contentUrlCss?: string;
+        contentUrlJs?: string;
+        rank: number;
+        advanceMethod: "button" | "programatic" /* sic */ | "element";
+        thumbnailUrls?: string;
+        attributes: {
+            height: number;
+            width: number;
+            autoHeight: boolean;
+            position: string;
+            css: string;
+            variables: any;
+        };
+        lastUpdatedAt: number;
+        resetAt: number;
+    }
+}
+
+declare const pendo: pendo.Pendo;
diff --git a/types/pendo-io-browser/pendo-io-browser-tests.ts b/types/pendo-io-browser/pendo-io-browser-tests.ts
new file mode 100644
index 0000000000..16db208cda
--- /dev/null
+++ b/types/pendo-io-browser/pendo-io-browser-tests.ts
@@ -0,0 +1,77 @@
+// Examples from: https://developers.pendo.io/docs/?bash#agent-api
+
+pendo.initialize({
+    visitor: {
+        id: "PUT_VISITOR_ID_HERE",
+        name: "Neo",
+        email: "neo@thematrix.io",
+        role: "godlike"
+    },
+    account: {
+        id: "PUT_ACCOUNT_ID_HERE",
+        name: "CorpSchmorp"
+    }
+});
+
+pendo.identify(
+    "PUT_VISITOR_ID_HERE",
+    "PUT_ACCOUNT_ID_HERE"
+);
+
+pendo.identify({
+    visitor: {
+        id: "PUT_VISITOR_ID_HERE",
+        name: "Neo",
+        email: "neo@thematrix.io",
+        role: "godlike"
+    },
+    account: {
+        id: "PUT_ACCOUNT_ID_HERE",
+        name: "CorpSchmorp"
+    }
+});
+
+pendo.debugging.getEventCache();
+
+pendo.events
+    .ready(() => {
+        // Do something once `pendo.isReady()` would return `true`
+    })
+    .guidesLoaded(() => {
+        // Do something when Guides load
+    })
+    .guidesFailed(() => {
+        // Do something when Guides fail to load
+    });
+
+pendo.initialize({
+    apiKey: 'YOUR_API_KEY',
+    visitor: { id: "" },
+    account: { id: "" },
+    events: {
+        ready() {
+            // Do something when pendo is initialized
+        }
+    }
+});
+
+pendo.track("User Registered", {
+    userId: "user.id",
+    plan: "user.plan",
+    accountType: "Facebook"
+});
+
+try {
+    throw new Error();
+} catch (error) {
+    pendo.track("JIRA-12345--error-tripped", {
+        message: error.message,
+        stack: error.stack
+    });
+}
+
+pendo.dom("").closest('._pendo-guide-next_');
+
+pendo.onGuideAdvanced();
+pendo.onGuideAdvanced({ steps: 2 });
+pendo.onGuideDismissed();
diff --git a/types/pendo-io-browser/tsconfig.json b/types/pendo-io-browser/tsconfig.json
new file mode 100644
index 0000000000..e5b8fc4c3f
--- /dev/null
+++ b/types/pendo-io-browser/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",
+        "pendo-io-browser-tests.ts"
+    ]
+}
diff --git a/types/pendo-io-browser/tslint.json b/types/pendo-io-browser/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/pendo-io-browser/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }