diff --git a/android/src/main/java/com/reactnativecommunity/webview/events/TopShouldStartLoadWithRequestEvent.kt b/android/src/main/java/com/reactnativecommunity/webview/events/TopShouldStartLoadWithRequestEvent.kt
index 0f80ced..da4eb96 100644
--- a/android/src/main/java/com/reactnativecommunity/webview/events/TopShouldStartLoadWithRequestEvent.kt
+++ b/android/src/main/java/com/reactnativecommunity/webview/events/TopShouldStartLoadWithRequestEvent.kt
@@ -14,6 +14,8 @@ class TopShouldStartLoadWithRequestEvent(viewId: Int, private val mData: Writabl
 
   init {
     mData.putString("navigationType", "other")
+    // Android does not raise shouldOverrideUrlLoading for inner frames
+    mData.putBoolean("isTopFrame", true)
   }
 
   override fun getEventName(): String = EVENT_NAME
diff --git a/apple/RNCWebView.m b/apple/RNCWebView.m
index 0f32e94..a595fd7 100644
--- a/apple/RNCWebView.m
+++ b/apple/RNCWebView.m
@@ -937,13 +937,15 @@ static NSDictionary* customCertificatesForHost;
 
   WKNavigationType navigationType = navigationAction.navigationType;
   NSURLRequest *request = navigationAction.request;
+  BOOL isTopFrame = [request.URL isEqual:request.mainDocumentURL];
 
   if (_onShouldStartLoadWithRequest) {
     NSMutableDictionary<NSString *, id> *event = [self baseEvent];
     [event addEntriesFromDictionary: @{
       @"url": (request.URL).absoluteString,
       @"mainDocumentURL": (request.mainDocumentURL).absoluteString,
-      @"navigationType": navigationTypes[@(navigationType)]
+      @"navigationType": navigationTypes[@(navigationType)],
+      @"isTopFrame": @(isTopFrame)
     }];
     if (![self.delegate webView:self
       shouldStartLoadForRequest:event
@@ -955,7 +957,6 @@ static NSDictionary* customCertificatesForHost;
 
   if (_onLoadingStart) {
     // We have this check to filter out iframe requests and whatnot
-    BOOL isTopFrame = [request.URL isEqual:request.mainDocumentURL];
     if (isTopFrame) {
       NSMutableDictionary<NSString *, id> *event = [self baseEvent];
       [event addEntriesFromDictionary: @{
diff --git a/docs/Reference.md b/docs/Reference.md
index 22faff2..4d4f44c 100644
--- a/docs/Reference.md
+++ b/docs/Reference.md
@@ -682,6 +682,7 @@ canGoForward
 lockIdentifier
 mainDocumentURL (iOS only)
 navigationType
+isTopFrame
 ```
 
 ---
diff --git a/src/WebViewShared.tsx b/src/WebViewShared.tsx
index ff2c034..23e5c09 100644
--- a/src/WebViewShared.tsx
+++ b/src/WebViewShared.tsx
@@ -2,8 +2,8 @@ import escapeStringRegexp from 'escape-string-regexp';
 import React from 'react';
 import { Linking, View, ActivityIndicator, Text } from 'react-native';
 import {
-  WebViewNavigationEvent,
   OnShouldStartLoadWithRequest,
+  ShouldStartLoadRequestEvent,
 } from './WebViewTypes';
 import styles from './WebView.styles';
 
@@ -39,7 +39,7 @@ const createOnShouldStartLoadWithRequest = (
   originWhitelist: readonly string[],
   onShouldStartLoadWithRequest?: OnShouldStartLoadWithRequest,
 ) => {
-  return ({ nativeEvent }: WebViewNavigationEvent) => {
+  return ({ nativeEvent }: ShouldStartLoadRequestEvent) => {
     let shouldStart = true;
     const { url, lockIdentifier } = nativeEvent;
 
diff --git a/src/WebViewTypes.ts b/src/WebViewTypes.ts
index 0a3c77b..05223ac 100644
--- a/src/WebViewTypes.ts
+++ b/src/WebViewTypes.ts
@@ -113,6 +113,10 @@ export interface WebViewNavigation extends WebViewNativeEvent {
   mainDocumentURL?: string;
 }
 
+export interface ShouldStartLoadRequest extends WebViewNavigation {
+  isTopFrame: boolean;
+}
+
 export interface FileDownload {
   downloadUrl: string;
 }
@@ -149,6 +153,8 @@ export type WebViewProgressEvent = NativeSyntheticEvent<
 
 export type WebViewNavigationEvent = NativeSyntheticEvent<WebViewNavigation>;
 
+export type ShouldStartLoadRequestEvent = NativeSyntheticEvent<ShouldStartLoadRequest>;
+
 export type FileDownloadEvent = NativeSyntheticEvent<FileDownload>;
 
 export type WebViewMessageEvent = NativeSyntheticEvent<WebViewMessage>;
@@ -238,7 +244,7 @@ export interface WebViewNativeConfig {
 }
 
 export type OnShouldStartLoadWithRequest = (
-  event: WebViewNavigation,
+  event: ShouldStartLoadRequest,
 ) => boolean;
 
 export interface CommonNativeWebViewProps extends ViewProps {
@@ -258,7 +264,7 @@ export interface CommonNativeWebViewProps extends ViewProps {
   onLoadingStart: (event: WebViewNavigationEvent) => void;
   onHttpError: (event: WebViewHttpErrorEvent) => void;
   onMessage: (event: WebViewMessageEvent) => void;
-  onShouldStartLoadWithRequest: (event: WebViewNavigationEvent) => void;
+  onShouldStartLoadWithRequest: (event: ShouldStartLoadRequestEvent) => void;
   showsHorizontalScrollIndicator?: boolean;
   showsVerticalScrollIndicator?: boolean;
   // TODO: find a better way to type this.
@@ -266,7 +272,7 @@ export interface CommonNativeWebViewProps extends ViewProps {
   source: any;
   userAgent?: string;
   /**
-   * Append to the existing user-agent. Overriden if `userAgent` is set.
+   * Append to the existing user-agent. Overridden if `userAgent` is set.
    */
   applicationNameForUserAgent?: string;
 }