diff --git a/types/card-validator/card-validator-tests.ts b/types/card-validator/card-validator-tests.ts
new file mode 100644
index 0000000000..1b83ee8ecf
--- /dev/null
+++ b/types/card-validator/card-validator-tests.ts
@@ -0,0 +1,35 @@
+import valid = require('card-validator');
+
+const numberValidation = valid.number('4111');
+
+if (!numberValidation.isPotentiallyValid && numberValidation.card) {
+    numberValidation.card.type;
+}
+
+valid.expirationDate('10/19');
+const dateTest2 = valid.expirationDate({month: '1', year: '2019'});
+if (dateTest2.isPotentiallyValid) {
+    dateTest2.month;
+}
+
+const expirationMonthCheck =  valid.expirationMonth('10');
+if (expirationMonthCheck.isPotentiallyValid) {
+    expirationMonthCheck.isValidForThisYear;
+}
+
+const expirationYearCheck =  valid.expirationYear('10');
+if (expirationYearCheck.isPotentiallyValid) {
+    expirationYearCheck.isCurrentYear;
+}
+
+let postalCodeCheck = valid.postalCode('123');
+
+if (postalCodeCheck.isValid) {
+    postalCodeCheck = valid.postalCode('123', {});
+    postalCodeCheck = valid.postalCode('123', {minLength: 5});
+}
+
+const cvvCeck = valid.cvv('1234');
+if (cvvCeck.isValid) {
+    valid.cvv('12345', 4);
+}
diff --git a/types/card-validator/index.d.ts b/types/card-validator/index.d.ts
new file mode 100644
index 0000000000..9bafec3510
--- /dev/null
+++ b/types/card-validator/index.d.ts
@@ -0,0 +1,43 @@
+// Type definitions for card-validator 4.1
+// Project: https://github.com/braintree/card-validator
+// Definitions by: Gregory Moore <https://github.com/ChanceM>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export interface Card {
+    niceType: string;
+    type: string;
+    pattern: string;
+    isAmex: boolean;
+    gaps: number[];
+    lengths: number[];
+    code: {name: string, size: number};
+}
+
+export interface valid {
+    isPotentiallyValid: boolean;
+    isValid: boolean;
+}
+
+export interface validNumber extends valid {
+    card: Card | null;
+}
+
+export interface validExpirationDate extends valid {
+    month: string | null;
+    year: string | null;
+}
+
+export interface validExpirationMonth extends valid {
+    isValidForThisYear: boolean;
+}
+
+export interface validExpirationYear extends valid {
+    isCurrentYear: boolean;
+}
+
+export function number(value: string): validNumber;
+export function expirationDate(value: string | {month: string, year: string}): validExpirationDate;
+export function expirationMonth(value: string): validExpirationMonth;
+export function expirationYear(value: string): validExpirationYear;
+export function cvv(value: string, maxLength?: number): valid;
+export function postalCode(value: string, options?: {minLength?: number}): valid;
diff --git a/types/card-validator/tsconfig.json b/types/card-validator/tsconfig.json
new file mode 100644
index 0000000000..a3e4d160e5
--- /dev/null
+++ b/types/card-validator/tsconfig.json
@@ -0,0 +1,22 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "card-validator-tests.ts"
+    ]
+}
diff --git a/types/card-validator/tslint.json b/types/card-validator/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/card-validator/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }