diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 0000000..f3d413d
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1,40 @@
+declare module 'react-native-dynamic-bundle' {
+  /**
+   * Set the active Javascript bundle to the bundle with the given bundle ID in
+   * the registry. This will cause the given bundle to be loaded on the next app
+   * startup or invocation of `reloadBundle()`.
+   */
+  export function setActiveBundle(bundleId: string | null): void
+
+  /**
+   * Register a Javascript bundle in the bundle registry. The path to the bundle
+   * should be relative to the documents directory on iOS and to the internal app
+   * storage directory on Android, i.e. the directory returned by `getFilesDir()`.
+   */
+  export function registerBundle(bundleId: string, relativePath: string): void
+
+  /**
+   * Unregister a bundle from the bundle registry.
+   */
+  export function unregisterBundle(bundleId: string): void
+
+  /**
+   * Reload the bundle that is used by the app immediately. This can be used to
+   * apply a new bundle that was set by `setActiveBundle()` immediately.
+   */
+  export function reloadBundle(): void
+
+  /**
+   * Returns a promise that resolves to the currently active bundle identifier.
+   * if the default bundle (i.e. the bundle that was packaged into the native app)
+   * is active this method will resolve to `null`.
+   */
+  export function getActiveBundle(): Promise<string>
+
+  /**
+   * Returns a promise that resolves to the currently active bundle identifier.
+   * if the default bundle (i.e. the bundle that was packaged into the native app)
+   * is active this method will resolve to `null`.
+   */
+  export function getBundles(): Promise<{ [key: string]: string }>
+}