diff --git a/src/common/xhrInterceptorUtils.js b/src/common/xhrInterceptorUtils.js
new file mode 100644
index 0000000..baa2bd3
--- /dev/null
+++ b/src/common/xhrInterceptorUtils.js
@@ -0,0 +1,41 @@
+import xhrInterceptors from './xhrInterceptors.json5';
+
+export {xhrInterceptors};
+
+export function matchInterceptors(interceptFilter, url) {
+  return xhrInterceptors.interceptors.filter(interceptor => {
+    var regex = new RegExp(interceptor.urlRegex);
+    return interceptor.intercepts == interceptFilter && regex.test(url);
+  });
+}
+
+export function getResponseJSON(xhr) {
+  if (xhr.responseType === 'arraybuffer') {
+    var arrBuffer = xhr.response;
+    if (!arrBuffer) {
+      console.error('No array buffer.');
+      return undefined;
+    }
+    var byteArray = new Uint8Array(arrBuffer);
+    var dec = new TextDecoder('utf-8');
+    var rawResponse = dec.decode(byteArray);
+    return JSON.parse(rawResponse);
+  }
+  if (xhr.responseType === 'text' || xhr.responseType === '')
+    return JSON.parse(xhr.responseText);
+  if (xhr.responseType === 'json') return xhr.response;
+
+  console.error(
+      'Unexpected responseType ' + xhr.responseType + '. Request url: ',
+      xhr.$TWPTRequestURL);
+  return undefined;
+}
+
+export function triggerEvent(eventName, body) {
+  var evt = new CustomEvent('TWPT_' + eventName, {
+    detail: {
+      body,
+    }
+  });
+  window.dispatchEvent(evt);
+}
diff --git a/src/common/xhrInterceptors.json5 b/src/common/xhrInterceptors.json5
new file mode 100644
index 0000000..158edb9
--- /dev/null
+++ b/src/common/xhrInterceptors.json5
@@ -0,0 +1,9 @@
+{
+  interceptors: [
+    /*{
+      eventName: "ViewThreadResponse",
+      urlRegex: "api/ViewThread",
+      intercepts: "response",
+    },*/ // Example
+  ],
+}
diff --git a/src/contentScripts/communityConsole/start.js b/src/contentScripts/communityConsole/start.js
index 318e466..9c14a43 100644
--- a/src/contentScripts/communityConsole/start.js
+++ b/src/contentScripts/communityConsole/start.js
@@ -1,4 +1,4 @@
-import {injectStylesheet} from '../../common/contentScriptsUtils.js';
+import {injectStylesheet, injectScript} from '../../common/contentScriptsUtils.js';
 
 const SMEI_SORT_DIRECTION = 8;
 const SMEI_UNIFIED_PROFILES = 9;
@@ -42,4 +42,6 @@
         break;
     }
   }
+
+  injectScript(chrome.runtime.getURL('xhrInterceptorInject.bundle.js'));
 });
diff --git a/src/injections/xhrInterceptor.js b/src/injections/xhrInterceptor.js
new file mode 100644
index 0000000..8630ca3
--- /dev/null
+++ b/src/injections/xhrInterceptor.js
@@ -0,0 +1,46 @@
+import * as utils from '../common/xhrInterceptorUtils.js';
+
+const originalOpen = XMLHttpRequest.prototype.open;
+const originalSend = XMLHttpRequest.prototype.send;
+
+XMLHttpRequest.prototype.open = function() {
+  this.$TWPTRequestURL = arguments[1] || location.href;
+
+  let interceptors = utils.matchInterceptors('response', this.$TWPTRequestURL);
+  if (interceptors.length > 0) {
+    this.addEventListener('load', function() {
+      var body = utils.getResponseJSON(this);
+      if (body !== undefined)
+        interceptors.forEach(i => {
+          utils.triggerEvent(i.eventName, body);
+        });
+    });
+  }
+
+  originalOpen.apply(this, arguments);
+};
+
+XMLHttpRequest.prototype.send = function() {
+  originalSend.apply(this, arguments);
+
+  let interceptors =
+      utils.matchInterceptors('request', this.$TWPTRequestURL || location.href);
+  if (interceptors.length > 0) {
+    var rawBody = arguments[0];
+    if (typeof (rawBody) !== 'object' ||
+        !(rawBody instanceof Object.getPrototypeOf(Uint8Array))) {
+      console.error(
+          'Request body is not Uint8Array, but ' + typeof (rawBody) + '.',
+          this.$TWPTRequestUrl);
+      return;
+    }
+
+    var dec = new TextDecoder('utf-8');
+    var body = dec.decode(rawBody);
+    var JSONBody = JSON.parse(body);
+
+    interceptors.forEach(i => {
+      utils.triggerEvent(i.eventName, JSONBody);
+    });
+  }
+};
diff --git a/templates/manifest.gjson b/templates/manifest.gjson
index e3efb13..8a9fe9d 100644
--- a/templates/manifest.gjson
+++ b/templates/manifest.gjson
@@ -66,6 +66,7 @@
 #endif
         "profileIndicatorInject.bundle.js",
         "batchLockInject.bundle.js",
+        "xhrInterceptorInject.bundle.js",
 
         "css/profileindicator_inject.css",
         "css/ccdarktheme.css",
diff --git a/webpack.config.js b/webpack.config.js
index bdd988e..312a276 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -16,6 +16,7 @@
     // Injected JS
     profileIndicatorInject: './src/injections/profileIndicator.js',
     batchLockInject: './src/injections/batchLock.js',
+    xhrInterceptorInject: './src/injections/xhrInterceptor.js',
 
     // Options page
     optionsCommon: './src/optionsCommon.js',