diff --git a/src/client.js b/src/client.js
index 892e144f1..505c109d8 100644
--- a/src/client.js
+++ b/src/client.js
@@ -3594,6 +3594,16 @@ module.exports.CRYPTO_ENABLED = CRYPTO_ENABLED;
  * });
  */
 
+/**
+ * Fires when the JS SDK receives a M_CONSENT_NOT_GIVEN error in response
+ * to a HTTP request.
+ * @event module:client~MatrixClient#"no_consent"
+ * @example
+ * matrixClient.on("no_consent", function(message, contentUri) {
+ *     console.info(message + ' Go to ' + contentUri);
+ * });
+ */
+
 /**
  * Fires when a device is marked as verified/unverified/blocked/unblocked by
  * {@link module:client~MatrixClient#setDeviceVerified|MatrixClient.setDeviceVerified} or
diff --git a/src/http-api.js b/src/http-api.js
index edc7fab56..ec0d59dbf 100644
--- a/src/http-api.js
+++ b/src/http-api.js
@@ -433,6 +433,12 @@ module.exports.MatrixHttpApi.prototype = {
         requestPromise.catch(function(err) {
             if (err.errcode == 'M_UNKNOWN_TOKEN') {
                 self.event_emitter.emit("Session.logged_out");
+            } else if (err.errcode == 'M_CONSENT_NOT_GIVEN') {
+                self.event_emitter.emit(
+                    "no_consent",
+                    err.message,
+                    err.data.consent_uri,
+                );
             }
         });