diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 0000000..86ea372
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1,32 @@
+import {JSONSchema4, JSONSchema6, JSONSchema7} from 'json-schema';
+import {ErrorObject} from 'ajv';
+
+type Schema = JSONSchema4 | JSONSchema6 | JSONSchema7;
+type PostFormatter = (formattedError: string, error: ErrorObject) => string;
+
+declare namespace SchemaUtils {
+  class ValidateError extends Error {
+    constructor(errors: Array<ErrorObject>, schema: Schema, configuration?: Partial<ValidateErrorConfiguration>);
+
+    name: string;
+    errors: Array<ErrorObject>;
+    schema: Schema;
+    headerName: string;
+    baseDataPath: string;
+    postFormatter: PostFormatter | null;
+    message: string;
+  }
+
+  interface ValidateErrorConfiguration {
+    name: string,
+    baseDataPath: string,
+    postFormatter: PostFormatter
+  }
+}
+
+declare var validate: {
+  (schema: Schema, options: Array<object> | object, configuration?: Partial<SchemaUtils.ValidateErrorConfiguration>): void;
+  ValidateError: typeof SchemaUtils.ValidateError
+}
+
+export = validate;
diff --git a/package-lock.json b/package-lock.json
index 69a47c7..02c31ca 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1442,6 +1442,12 @@
         "@types/istanbul-lib-report": "*"
       }
     },
+    "@types/json-schema": {
+      "version": "7.0.3",
+      "resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.3.tgz",
+      "integrity": "sha512-Il2DtDVRGDcqjDtE+rF8iqg1CArehSK84HZJCT7AMITlyXRBpuPhqGLDQMowraqqu1coEaimg4ZOqggt6L6L+A==",
+      "dev": true
+    },
     "@types/minimatch": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.3.tgz",
diff --git a/package.json b/package.json
index 8f796ec..956c2bc 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,7 @@
   "homepage": "https://github.com/webpack/schema-utils",
   "bugs": "https://github.com/webpack/schema-utils/issues",
   "main": "dist/index.js",
+  "types": "index.d.ts",
   "engines": {
     "node": ">= 8.9.0"
   },
@@ -43,6 +44,7 @@
     "@babel/preset-env": "^7.6.2",
     "@commitlint/cli": "^8.2.0",
     "@commitlint/config-conventional": "^8.2.0",
+    "@types/json-schema": "^7.0.3",
     "@webpack-contrib/defaults": "^5.0.2",
     "@webpack-contrib/eslint-config-webpack": "^3.0.0",
     "babel-jest": "^24.9.0",