diff --git a/paymentrequest/index.d.ts b/paymentrequest/index.d.ts
index e69de29bb2..d17dd381a7 100644
--- a/paymentrequest/index.d.ts
+++ b/paymentrequest/index.d.ts
@@ -0,0 +1,91 @@
+// Type definitions for PaymentRequest
+// Project: https://www.w3.org/TR/payment-request/
+// Definitions by: Adam Cmiel <https://github.com/adamcmiel>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+interface PaymentRequest extends EventTarget {
+    new (methodData: PaymentMethodData[], details: PaymentDetails, options?: PaymentOptions);
+    show(): PromiseLike<PaymentResponse>;
+    abort(): PromiseLike<void>;
+    shippingAddress?: PaymentAddress;
+    shippingOption?: string;
+    onshippingaddresschange: PaymentUpdateEventListener;
+    onshippingoptionchange: PaymentUpdateEventListener;
+}
+
+interface PaymentMethodData {
+    supportedMethods: string[];
+    data?: Object;
+}
+
+interface PaymentCurrencyAmount {
+    currency: string;
+    value: string;
+}
+
+interface PaymentDetails {
+    total: PaymentItem;
+    displayItems?: PaymentItem[];
+    shippingOptions?: PaymentShippingOption[];
+    modifiers: PaymentDetailsModifier[];
+}
+
+interface PaymentDetailsModifier {
+    supportedMethods: string[];
+    total?: PaymentItem;
+    additionalDisplayItems: PaymentItem[];
+}
+
+interface PaymentOptions {
+    requestShipping: boolean;
+    requestPayerEmail: boolean;
+    requestPayerPhone: boolean;
+}
+
+interface PaymentItem {
+    label: string;
+    amount: PaymentCurrencyAmount
+}
+
+interface PaymentAddress {
+    country: string;
+    addressLine: string[];
+    region: string;
+    city: string;
+    dependentLocality: string;
+    postalCode: string;
+    sortingCode: string;
+    languageCode: string;
+    organization: string;
+    recipient: string;
+    careOf: string;
+    phone: string;
+}
+
+interface PaymentShippingOption {
+    id: string;
+    label: string;
+    amount: PaymentCurrencyAmount;
+}
+
+interface PaymentResponse {
+    methodName: string;
+    details: Object;
+    shippingAddress?: PaymentAddress;
+    shippingOption?: string;
+    payerEmail?: string;
+    payerPhone?: string;
+
+    complete(result?: '' | 'success' | 'fail'): PromiseLike<void>;
+}
+
+interface PaymentUpdateEventListener extends EventListener {
+    (evt: PaymentRequestUpdateEvent): void;
+}
+
+interface PaymentRequestUpdateEvent extends Event {
+    updateWith(d: PromiseLike<PaymentDetails>): void;
+}
+
+declare var PaymentRequest: PaymentRequest;
+