diff --git a/crates/ruma-events/src/enums.rs b/crates/ruma-events/src/enums.rs
index aa4fee98..87f6ce64 100644
--- a/crates/ruma-events/src/enums.rs
+++ b/crates/ruma-events/src/enums.rs
@@ -107,6 +107,9 @@ event_enum! {
         "m.room_key_request",
         "m.forwarded_room_key",
         "m.key.verification.request",
+        #[cfg(feature = "unstable-pre-spec")]
+        #[cfg_attr(docsrs, doc(cfg(feature = "unstable-pre-spec")))]
+        "m.key.verification.ready",
         "m.key.verification.start",
         "m.key.verification.cancel",
         "m.key.verification.accept",
diff --git a/crates/ruma-events/src/event_type.rs b/crates/ruma-events/src/event_type.rs
index a32c9d8a..53138dc5 100644
--- a/crates/ruma-events/src/event_type.rs
+++ b/crates/ruma-events/src/event_type.rs
@@ -56,6 +56,10 @@ pub enum EventType {
     #[ruma_enum(rename = "m.key.verification.mac")]
     KeyVerificationMac,
 
+    /// m.key.verification.ready
+    #[ruma_enum(rename = "m.key.verification.ready")]
+    KeyVerificationReady,
+
     /// m.key.verification.request
     #[ruma_enum(rename = "m.key.verification.request")]
     KeyVerificationRequest,
@@ -229,6 +233,7 @@ mod tests {
         serde_json_eq(EventType::KeyVerificationCancel, json!("m.key.verification.cancel"));
         serde_json_eq(EventType::KeyVerificationKey, json!("m.key.verification.key"));
         serde_json_eq(EventType::KeyVerificationMac, json!("m.key.verification.mac"));
+        serde_json_eq(EventType::KeyVerificationReady, json!("m.key.verification.ready"));
         serde_json_eq(EventType::KeyVerificationRequest, json!("m.key.verification.request"));
         serde_json_eq(EventType::KeyVerificationStart, json!("m.key.verification.start"));
         serde_json_eq(EventType::IgnoredUserList, json!("m.ignored_user_list"));
diff --git a/crates/ruma-events/src/key/verification/ready.rs b/crates/ruma-events/src/key/verification/ready.rs
index a23674e9..3767ec45 100644
--- a/crates/ruma-events/src/key/verification/ready.rs
+++ b/crates/ruma-events/src/key/verification/ready.rs
@@ -1,6 +1,6 @@
 //! Types for the *m.key.verification.ready* event.
 
-use ruma_events_macros::MessageEventContent;
+use ruma_events_macros::{EventContent, MessageEventContent};
 use ruma_identifiers::DeviceIdBox;
 use serde::{Deserialize, Serialize};
 
@@ -10,7 +10,25 @@ use crate::MessageEvent;
 /// Response to a previously sent *m.key.verification.request* message.
 pub type ReadyEvent = MessageEvent<ReadyEventContent>;
 
-/// The payload for `ReadyEvent`.
+/// The payload for a to-device `m.key.verification.ready` event.
+#[derive(Clone, Debug, Deserialize, Serialize, EventContent)]
+#[ruma_event(type = "m.key.verification.ready")]
+pub struct ReadyToDeviceEventContent {
+    /// The device ID which is initiating the request.
+    pub from_device: DeviceIdBox,
+
+    /// The verification methods supported by the sender.
+    pub methods: Vec<VerificationMethod>,
+
+    /// An opaque identifier for the verification process.
+    ///
+    /// Must be unique with respect to the devices involved. Must be the same as the
+    /// `transaction_id` given in the *m.key.verification.request* from a
+    /// request.
+    pub transaction_id: String,
+}
+
+/// The payload for an in-room `m.key.verification.ready` event.
 #[derive(Clone, Debug, Deserialize, Serialize, MessageEventContent)]
 #[ruma_event(type = "m.key.verification.ready")]
 pub struct ReadyEventContent {
@@ -33,7 +51,7 @@ mod tests {
     use ruma_serde::Raw;
     use serde_json::{from_value as from_json_value, json, to_value as to_json_value};
 
-    use super::{ReadyEventContent, Relation, VerificationMethod};
+    use super::{ReadyEventContent, ReadyToDeviceEventContent, Relation, VerificationMethod};
 
     #[test]
     fn serialization() {
@@ -50,12 +68,26 @@ mod tests {
         });
 
         let content = ReadyEventContent {
-            from_device: device,
+            from_device: device.clone(),
             relation: Relation { event_id },
             methods: vec![VerificationMethod::MSasV1],
         };
 
         assert_eq!(to_json_value(&content).unwrap(), json_data);
+
+        let json_data = json!({
+            "from_device": device,
+            "methods": ["m.sas.v1"],
+            "transaction_id": "456",
+        });
+
+        let content = ReadyToDeviceEventContent {
+            from_device: device,
+            transaction_id: "456".to_owned(),
+            methods: vec![VerificationMethod::MSasV1],
+        };
+
+        assert_eq!(to_json_value(&content).unwrap(), json_data);
     }
 
     #[test]
@@ -87,5 +119,25 @@ mod tests {
                 && methods == vec![VerificationMethod::MSasV1]
                 && event_id == id
         );
+
+        let json_data = json!({
+            "from_device": device,
+            "methods": ["m.sas.v1"],
+            "transaction_id": "456",
+        });
+
+        assert_matches!(
+            from_json_value::<Raw<ReadyToDeviceEventContent>>(json_data)
+                .unwrap()
+                .deserialize()
+                .unwrap(),
+            ReadyToDeviceEventContent {
+                from_device,
+                transaction_id,
+                methods,
+            } if from_device == device
+                && methods == vec![VerificationMethod::MSasV1]
+                && transaction_id == "456"
+        );
     }
 }