diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0a5b86084a..391f1a379f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@
 
 - Use a dedicated thread pool for CPU intensive workloads. ([#3833](https://github.com/getsentry/relay/pull/3833))
 - Remove `BufferGuard` in favor of memory checks via `MemoryStat`. ([#3821](https://github.com/getsentry/relay/pull/3821))
+- Add ReplayVideo entry to DataCategory. ([#3847](https://github.com/getsentry/relay/pull/3847))
 
 ## 24.7.0
 
diff --git a/py/CHANGELOG.md b/py/CHANGELOG.md
index e55d54e667..3a904962aa 100644
--- a/py/CHANGELOG.md
+++ b/py/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## Unreleased
+
+- Add REPLAY_VIDEO entry to DataCategory. ([#3847](https://github.com/getsentry/relay/pull/3847))
+
 ## 0.9.0
 
 - Build wheels with manylinux_2_28 and alma linux 8. [#3787](https://github.com/getsentry/relay/pull/3787)
diff --git a/py/sentry_relay/consts.py b/py/sentry_relay/consts.py
index 6ff62d5f45..73a4e8ea74 100644
--- a/py/sentry_relay/consts.py
+++ b/py/sentry_relay/consts.py
@@ -29,6 +29,7 @@ class DataCategory(IntEnum):
     PROFILE_DURATION = 17
     PROFILE_CHUNK = 18
     METRIC_SECOND = 19
+    REPLAY_VIDEO = 20
     UNKNOWN = -1
     # end generated
 
diff --git a/relay-base-schema/src/data_category.rs b/relay-base-schema/src/data_category.rs
index 35840ca19a..62498cc421 100644
--- a/relay-base-schema/src/data_category.rs
+++ b/relay-base-schema/src/data_category.rs
@@ -84,6 +84,10 @@ pub enum DataCategory {
     /// and metric cardinality. Defined here so as not to clash with future
     /// categories.
     MetricSecond = 19,
+    /// Replay Video
+    ///
+    /// This is the data category for Session Replays produced via a video recording.
+    ReplayVideo = 20,
     //
     // IMPORTANT: After adding a new entry to DataCategory, go to the `relay-cabi` subfolder and run
     // `make header` to regenerate the C-binding. This allows using the data category from Python.
@@ -119,6 +123,7 @@ impl DataCategory {
             "profile_duration" => Self::ProfileDuration,
             "profile_chunk" => Self::ProfileChunk,
             "metric_second" => Self::MetricSecond,
+            "replay_video" => Self::MetricSecond,
             _ => Self::Unknown,
         }
     }
@@ -147,6 +152,7 @@ impl DataCategory {
             Self::ProfileDuration => "profile_duration",
             Self::ProfileChunk => "profile_chunk",
             Self::MetricSecond => "metric_second",
+            Self::ReplayVideo => "replay_video",
             Self::Unknown => "unknown",
         }
     }
diff --git a/relay-cabi/include/relay.h b/relay-cabi/include/relay.h
index 6e8359d9c1..318b293950 100644
--- a/relay-cabi/include/relay.h
+++ b/relay-cabi/include/relay.h
@@ -128,6 +128,12 @@ enum RelayDataCategory {
    * categories.
    */
   RELAY_DATA_CATEGORY_METRIC_SECOND = 19,
+  /**
+   * Replay Video
+   *
+   * This is the data category for Session Replays produced via a video recording.
+   */
+  RELAY_DATA_CATEGORY_REPLAY_VIDEO = 20,
   /**
    * Any other data category not known by this Relay.
    */
@@ -652,15 +658,11 @@ struct RelayStr relay_validate_sampling_configuration(const struct RelayStr *val
 
 /**
  * Normalize a project config.
- *
- * If `strict` is true, checks for unknown fields in the input.
  */
 struct RelayStr relay_normalize_project_config(const struct RelayStr *value);
 
 /**
- * Validate cardinality limit config.
- *
- * If `strict` is true, checks for unknown fields in the input.
+ * Normalize a cardinality limit config.
  */
 struct RelayStr normalize_cardinality_limit_config(const struct RelayStr *value);
 
diff --git a/relay-quotas/src/quota.rs b/relay-quotas/src/quota.rs
index fc3783c7a0..a49acffb2a 100644
--- a/relay-quotas/src/quota.rs
+++ b/relay-quotas/src/quota.rs
@@ -183,6 +183,7 @@ impl CategoryUnit {
             | DataCategory::Error
             | DataCategory::Transaction
             | DataCategory::Replay
+            | DataCategory::ReplayVideo
             | DataCategory::Security
             | DataCategory::Profile
             | DataCategory::ProfileIndexed