diff --git a/ruma-client-api/src/r0/profile/get_avatar_url.rs b/ruma-client-api/src/r0/profile/get_avatar_url.rs
index 504c02a4..81b9ebd0 100644
--- a/ruma-client-api/src/r0/profile/get_avatar_url.rs
+++ b/ruma-client-api/src/r0/profile/get_avatar_url.rs
@@ -13,12 +13,15 @@ ruma_api! {
         requires_authentication: false,
     }
 
+    #[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
     request: {
         /// The user whose avatar URL will be retrieved.
         #[ruma_api(path)]
-        pub user_id: UserId
+        pub user_id: &'a UserId,
     }
 
+    #[derive(Default)]
+    #[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
     response: {
         /// The user's avatar URL, if set.
         #[serde(skip_serializing_if = "Option::is_none")]
@@ -27,3 +30,17 @@ ruma_api! {
 
     error: crate::Error
 }
+
+impl<'a> Request<'a> {
+    /// Creates a new `Request` with the given user ID.
+    pub fn new(user_id: &'a UserId) -> Self {
+        Self { user_id }
+    }
+}
+
+impl Response {
+    /// Creates a new `Response` with the given avatar URL.
+    pub fn new(avatar_url: Option<String>) -> Self {
+        Self { avatar_url }
+    }
+}
diff --git a/ruma-client-api/src/r0/profile/get_display_name.rs b/ruma-client-api/src/r0/profile/get_display_name.rs
index 87d4c0bf..b20d9912 100644
--- a/ruma-client-api/src/r0/profile/get_display_name.rs
+++ b/ruma-client-api/src/r0/profile/get_display_name.rs
@@ -13,17 +13,34 @@ ruma_api! {
         requires_authentication: false,
     }
 
+    #[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
     request: {
         /// The user whose display name will be retrieved.
         #[ruma_api(path)]
-        pub user_id: UserId
+        pub user_id: &'a UserId,
     }
 
+    #[derive(Default)]
+    #[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
     response: {
         /// The user's display name, if set.
         #[serde(skip_serializing_if = "Option::is_none")]
-        pub displayname: Option<String>
+        pub displayname: Option<String>,
     }
 
     error: crate::Error
 }
+
+impl<'a> Request<'a> {
+    /// Creates a new `Request` with the given user ID.
+    pub fn new(user_id: &'a UserId) -> Self {
+        Self { user_id }
+    }
+}
+
+impl Response {
+    /// Creates a new `Response` with the given display name.
+    pub fn new(displayname: Option<String>) -> Self {
+        Self { displayname }
+    }
+}
diff --git a/ruma-client-api/src/r0/profile/get_profile.rs b/ruma-client-api/src/r0/profile/get_profile.rs
index 77957740..1eaa48ce 100644
--- a/ruma-client-api/src/r0/profile/get_profile.rs
+++ b/ruma-client-api/src/r0/profile/get_profile.rs
@@ -13,12 +13,15 @@ ruma_api! {
         requires_authentication: false,
     }
 
+    #[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
     request: {
         /// The user whose profile will be retrieved.
         #[ruma_api(path)]
-        pub user_id: UserId,
+        pub user_id: &'a UserId,
     }
 
+    #[derive(Default)]
+    #[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
     response: {
         /// The user's avatar URL, if set.
         #[serde(skip_serializing_if = "Option::is_none")]
@@ -31,3 +34,17 @@ ruma_api! {
 
     error: crate::Error
 }
+
+impl<'a> Request<'a> {
+    /// Creates a new `Request` with the given user ID.
+    pub fn new(user_id: &'a UserId) -> Self {
+        Self { user_id }
+    }
+}
+
+impl Response {
+    /// Creates a new `Response` with the given avatar URL and display name.
+    pub fn new(avatar_url: Option<String>, displayname: Option<String>) -> Self {
+        Self { avatar_url, displayname }
+    }
+}
diff --git a/ruma-client-api/src/r0/profile/set_avatar_url.rs b/ruma-client-api/src/r0/profile/set_avatar_url.rs
index 8b7ba642..66f5a4a6 100644
--- a/ruma-client-api/src/r0/profile/set_avatar_url.rs
+++ b/ruma-client-api/src/r0/profile/set_avatar_url.rs
@@ -13,18 +13,35 @@ ruma_api! {
         requires_authentication: true,
     }
 
+    #[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
     request: {
         /// The user whose avatar URL will be set.
         #[ruma_api(path)]
-        pub user_id: UserId,
+        pub user_id: &'a UserId,
 
         /// The new avatar URL for the user.
         ///
         /// `None` is used to unset the avatar.
-        pub avatar_url: Option<String>,
+        pub avatar_url: Option<&'a str>,
     }
 
+    #[derive(Default)]
+    #[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
     response: {}
 
     error: crate::Error
 }
+
+impl<'a> Request<'a> {
+    /// Creates a new `Request` with the given user ID and avatar URL.
+    pub fn new(user_id: &'a UserId, avatar_url: Option<&'a str>) -> Self {
+        Self { user_id, avatar_url }
+    }
+}
+
+impl Response {
+    /// Creates an empty `Response`.
+    pub fn new() -> Self {
+        Self
+    }
+}
diff --git a/ruma-client-api/src/r0/profile/set_display_name.rs b/ruma-client-api/src/r0/profile/set_display_name.rs
index b9a2ed15..c109240b 100644
--- a/ruma-client-api/src/r0/profile/set_display_name.rs
+++ b/ruma-client-api/src/r0/profile/set_display_name.rs
@@ -13,17 +13,34 @@ ruma_api! {
         requires_authentication: true,
     }
 
+    #[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
     request: {
         /// The user whose display name will be set.
         #[ruma_api(path)]
-        pub user_id: UserId,
+        pub user_id: &'a UserId,
 
         /// The new display name for the user.
         #[serde(skip_serializing_if = "Option::is_none")]
-        pub displayname: Option<String>,
+        pub displayname: Option<&'a str>,
     }
 
+    #[derive(Default)]
+    #[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
     response: {}
 
     error: crate::Error
 }
+
+impl<'a> Request<'a> {
+    /// Creates a new `Request` with the given user ID and display name.
+    pub fn new(user_id: &'a UserId, displayname: Option<&'a str>) -> Self {
+        Self { user_id, displayname }
+    }
+}
+
+impl Response {
+    /// Creates an empty `Response`.
+    pub fn new() -> Self {
+        Self
+    }
+}