diff --git a/src/api.rs b/src/api.rs
index b8c3e21..11de909 100644
--- a/src/api.rs
+++ b/src/api.rs
@@ -1252,6 +1252,24 @@ impl MisskeyClient {
         Ok(())
     }
 
+    /// 自分が送ったフォローリクエストを取り消す (following/requests/cancel)。
+    /// 鍵アカウント宛ての未承認リクエストに使う (following/delete は notFollowing エラーになる)。
+    pub async fn cancel_follow_request(
+        &self,
+        host: &str,
+        token: &str,
+        user_id: &str,
+    ) -> Result<(), NoteDeckError> {
+        self.request(
+            host,
+            token,
+            "following/requests/cancel",
+            json!({ "userId": user_id }),
+        )
+        .await?;
+        Ok(())
+    }
+
     /// Fetch server meta information.
     pub async fn get_meta(&self, host: &str, token: &str) -> Result<Value, NoteDeckError> {
         self.request(host, token, "meta", json!({})).await
@@ -2886,6 +2904,23 @@ mod tests {
         client.follow_user("h", "token", "u1").await.unwrap();
     }
 
+    #[tokio::test]
+    async fn cancel_follow_request_succeeds() {
+        let server = MockServer::start().await;
+        Mock::given(method("POST"))
+            .and(path("/api/following/requests/cancel"))
+            .and(body_partial_json(json!({ "userId": "u1" })))
+            .respond_with(ResponseTemplate::new(200).set_body_string(""))
+            .mount(&server)
+            .await;
+
+        let client = MisskeyClient::with_base_url(&server.uri());
+        client
+            .cancel_follow_request("h", "token", "u1")
+            .await
+            .unwrap();
+    }
+
     #[tokio::test]
     async fn extract_reaction_palette_valid() {
         let data = json!([
diff --git a/src/models.rs b/src/models.rs
index 5f815a9..6e7a615 100644
--- a/src/models.rs
+++ b/src/models.rs
@@ -255,6 +255,9 @@ pub struct NormalizedUserDetail {
     pub is_following: bool,
     #[serde(default)]
     pub is_followed: bool,
+    /// 鍵アカウントへフォローリクエスト送信済みで未承認の状態
+    #[serde(default)]
+    pub has_pending_follow_request_from_you: bool,
     #[serde(default)]
     pub created_at: String,
     #[serde(default)]
@@ -1192,6 +1195,9 @@ pub struct RawUserDetail {
     pub is_following: bool,
     #[serde(default)]
     pub is_followed: bool,
+    /// 鍵アカウントへフォローリクエスト送信済みで未承認の状態
+    #[serde(default)]
+    pub has_pending_follow_request_from_you: bool,
     #[serde(default)]
     pub created_at: String,
     #[serde(default)]
@@ -1411,6 +1417,7 @@ impl RawUserDetail {
             is_cat: self.is_cat,
             is_following: self.is_following,
             is_followed: self.is_followed,
+            has_pending_follow_request_from_you: self.has_pending_follow_request_from_you,
             created_at: self.created_at,
             avatar_decorations: self.avatar_decorations,
             emojis: self.emojis,
@@ -1794,8 +1801,9 @@ mod tests {
             "notesCount": 200,
             "isBot": true,
             "isCat": true,
-            "isFollowing": true,
+            "isFollowing": false,
             "isFollowed": false,
+            "hasPendingFollowRequestFromYou": true,
             "createdAt": "2024-01-01T00:00:00.000Z",
             "avatarDecorations": [],
             "emojis": {},
@@ -1812,7 +1820,8 @@ mod tests {
         assert_eq!(detail.host.as_deref(), Some("remote.example.com"));
         assert!(detail.is_bot);
         assert!(detail.is_cat);
-        assert!(detail.is_following);
+        assert!(!detail.is_following);
+        assert!(detail.has_pending_follow_request_from_you);
         assert_eq!(detail.followers_count, 100);
         assert_eq!(detail.notes_count, 200);
         assert_eq!(detail.roles.len(), 1);