diff --git a/javascript/sentry-conventions/src/attributes.ts b/javascript/sentry-conventions/src/attributes.ts
index 265983ae..c797b86a 100644
--- a/javascript/sentry-conventions/src/attributes.ts
+++ b/javascript/sentry-conventions/src/attributes.ts
@@ -9742,6 +9742,30 @@ export const REMIX_ACTION_FORM_DATA_KEY = 'remix.action_form_data.<key>';
  */
 export type REMIX_ACTION_FORM_DATA_KEY_TYPE = string;
 
+// Path: model/attributes/replayId.json
+
+/**
+ * The id of the sentry replay. `replayId`
+ *
+ * Attribute Value Type: `string` {@link REPLAYID_TYPE}
+ *
+ * Contains PII: false
+ *
+ * Attribute defined in OTEL: No
+ * Visibility: public
+ *
+ * Aliases: {@link SENTRY_REPLAY_ID} `sentry.replay_id`
+ *
+ * @deprecated Use {@link SENTRY_REPLAY_ID} (sentry.replay_id) instead
+ * @example "123e4567e89b12d3a456426614174000"
+ */
+export const REPLAYID = 'replayId';
+
+/**
+ * Type for {@link REPLAYID} replayId
+ */
+export type REPLAYID_TYPE = string;
+
 // Path: model/attributes/replay_id.json
 
 /**
@@ -10929,7 +10953,7 @@ export type SENTRY_RELEASE_TYPE = string;
  * Attribute defined in OTEL: No
  * Visibility: public
  *
- * Aliases: {@link REPLAY_ID} `replay_id`
+ * Aliases: {@link REPLAY_ID} `replay_id`, {@link REPLAYID} `replayId`
  *
  * @example "123e4567e89b12d3a456426614174000"
  */
@@ -13676,6 +13700,7 @@ export const ATTRIBUTE_TYPE: Record<string, AttributeType> = {
   [REACT_VERSION]: 'string',
   [RELEASE]: 'string',
   [REMIX_ACTION_FORM_DATA_KEY]: 'string',
+  [REPLAYID]: 'string',
   [REPLAY_ID]: 'string',
   [RESOURCE_DEPLOYMENT_ENVIRONMENT]: 'string',
   [RESOURCE_DEPLOYMENT_ENVIRONMENT_NAME]: 'string',
@@ -14280,6 +14305,7 @@ export type AttributeName =
   | typeof REACT_VERSION
   | typeof RELEASE
   | typeof REMIX_ACTION_FORM_DATA_KEY
+  | typeof REPLAYID
   | typeof REPLAY_ID
   | typeof RESOURCE_DEPLOYMENT_ENVIRONMENT
   | typeof RESOURCE_DEPLOYMENT_ENVIRONMENT_NAME
@@ -20497,6 +20523,21 @@ export const ATTRIBUTE_METADATA: Record<AttributeName, AttributeMetadata> = {
     sdks: ['javascript-remix'],
     changelog: [{ version: '0.1.0', prs: [103] }],
   },
+  [REPLAYID]: {
+    brief: 'The id of the sentry replay.',
+    type: 'string',
+    pii: {
+      isPii: 'false',
+    },
+    isInOtel: false,
+    visibility: 'public',
+    example: '123e4567e89b12d3a456426614174000',
+    deprecation: {
+      replacement: 'sentry.replay_id',
+    },
+    aliases: [SENTRY_REPLAY_ID],
+    changelog: [{ version: 'next' }],
+  },
   [REPLAY_ID]: {
     brief: 'The id of the sentry replay.',
     type: 'string',
@@ -21157,7 +21198,7 @@ export const ATTRIBUTE_METADATA: Record<AttributeName, AttributeMetadata> = {
     isInOtel: false,
     visibility: 'public',
     example: '123e4567e89b12d3a456426614174000',
-    aliases: [REPLAY_ID],
+    aliases: [REPLAY_ID, REPLAYID],
     changelog: [{ version: '0.0.0' }],
   },
   [SENTRY_REPLAY_IS_BUFFERING]: {
@@ -22874,6 +22915,7 @@ export type Attributes = {
   [REACT_VERSION]?: REACT_VERSION_TYPE;
   [RELEASE]?: RELEASE_TYPE;
   [REMIX_ACTION_FORM_DATA_KEY]?: REMIX_ACTION_FORM_DATA_KEY_TYPE;
+  [REPLAYID]?: REPLAYID_TYPE;
   [REPLAY_ID]?: REPLAY_ID_TYPE;
   [RESOURCE_DEPLOYMENT_ENVIRONMENT]?: RESOURCE_DEPLOYMENT_ENVIRONMENT_TYPE;
   [RESOURCE_DEPLOYMENT_ENVIRONMENT_NAME]?: RESOURCE_DEPLOYMENT_ENVIRONMENT_NAME_TYPE;
diff --git a/model/attributes/replayId.json b/model/attributes/replayId.json
new file mode 100644
index 00000000..3674487a
--- /dev/null
+++ b/model/attributes/replayId.json
@@ -0,0 +1,21 @@
+{
+  "key": "replayId",
+  "brief": "The id of the sentry replay.",
+  "type": "string",
+  "pii": {
+    "key": "false"
+  },
+  "is_in_otel": false,
+  "example": "123e4567e89b12d3a456426614174000",
+  "alias": ["sentry.replay_id"],
+  "deprecation": {
+    "_status": null,
+    "replacement": "sentry.replay_id"
+  },
+  "visibility": "public",
+  "changelog": [
+    {
+      "version": "next"
+    }
+  ]
+}
diff --git a/model/attributes/sentry/sentry__replay_id.json b/model/attributes/sentry/sentry__replay_id.json
index eea2329d..862cae2e 100644
--- a/model/attributes/sentry/sentry__replay_id.json
+++ b/model/attributes/sentry/sentry__replay_id.json
@@ -7,7 +7,7 @@
   },
   "is_in_otel": false,
   "example": "123e4567e89b12d3a456426614174000",
-  "alias": ["replay_id"],
+  "alias": ["replay_id", "replayId"],
   "visibility": "public",
   "changelog": [
     {
diff --git a/python/src/sentry_conventions/attributes.py b/python/src/sentry_conventions/attributes.py
index ecf8a8a1..a930d2cd 100644
--- a/python/src/sentry_conventions/attributes.py
+++ b/python/src/sentry_conventions/attributes.py
@@ -233,6 +233,7 @@ class _AttributeNamesMeta(type):
         "PERFORMANCE_TIMEORIGIN",
         "QUERY_KEY",
         "RELEASE",
+        "REPLAYID",
         "REPLAY_ID",
         "RESOURCE_DEPLOYMENT_ENVIRONMENT",
         "RESOURCE_DEPLOYMENT_ENVIRONMENT_NAME",
@@ -5706,6 +5707,19 @@ class ATTRIBUTE_NAMES(metaclass=_AttributeNamesMeta):
     Example: "http.response.header.text='test'"
     """
 
+    # Path: model/attributes/replayId.json
+    REPLAYID: Literal["replayId"] = "replayId"
+    """The id of the sentry replay.
+
+    Type: str
+    Contains PII: false
+    Defined in OTEL: No
+    Visibility: public
+    Aliases: sentry.replay_id
+    DEPRECATED: Use sentry.replay_id instead
+    Example: "123e4567e89b12d3a456426614174000"
+    """
+
     # Path: model/attributes/replay_id.json
     REPLAY_ID: Literal["replay_id"] = "replay_id"
     """The id of the sentry replay.
@@ -6364,7 +6378,7 @@ class ATTRIBUTE_NAMES(metaclass=_AttributeNamesMeta):
     Contains PII: false
     Defined in OTEL: No
     Visibility: public
-    Aliases: replay_id
+    Aliases: replay_id, replayId
     Example: "123e4567e89b12d3a456426614174000"
     """
 
@@ -14038,6 +14052,19 @@ class ATTRIBUTE_NAMES(metaclass=_AttributeNamesMeta):
             ChangelogEntry(version="0.1.0", prs=[103]),
         ],
     ),
+    "replayId": AttributeMetadata(
+        brief="The id of the sentry replay.",
+        type=AttributeType.STRING,
+        pii=PiiInfo(isPii=IsPii.FALSE),
+        is_in_otel=False,
+        visibility=Visibility.PUBLIC,
+        example="123e4567e89b12d3a456426614174000",
+        deprecation=DeprecationInfo(replacement="sentry.replay_id"),
+        aliases=["sentry.replay_id"],
+        changelog=[
+            ChangelogEntry(version="next"),
+        ],
+    ),
     "replay_id": AttributeMetadata(
         brief="The id of the sentry replay.",
         type=AttributeType.STRING,
@@ -14706,7 +14733,7 @@ class ATTRIBUTE_NAMES(metaclass=_AttributeNamesMeta):
         is_in_otel=False,
         visibility=Visibility.PUBLIC,
         example="123e4567e89b12d3a456426614174000",
-        aliases=["replay_id"],
+        aliases=["replay_id", "replayId"],
         changelog=[
             ChangelogEntry(version="0.0.0"),
         ],
@@ -16502,6 +16529,7 @@ class ATTRIBUTE_NAMES(metaclass=_AttributeNamesMeta):
         "react.version": str,
         "release": str,
         "remix.action_form_data.<key>": str,
+        "replayId": str,
         "replay_id": str,
         "resource.deployment.environment": str,
         "resource.deployment.environment.name": str,
diff --git a/shared/deprecated_attributes.json b/shared/deprecated_attributes.json
index a2eb46b3..bac721d1 100644
--- a/shared/deprecated_attributes.json
+++ b/shared/deprecated_attributes.json
@@ -407,6 +407,27 @@
         }
       ]
     },
+    {
+      "key": "replayId",
+      "brief": "The id of the sentry replay.",
+      "type": "string",
+      "pii": {
+        "key": "false"
+      },
+      "is_in_otel": false,
+      "example": "123e4567e89b12d3a456426614174000",
+      "alias": ["sentry.replay_id"],
+      "deprecation": {
+        "_status": null,
+        "replacement": "sentry.replay_id"
+      },
+      "visibility": "public",
+      "changelog": [
+        {
+          "version": "next"
+        }
+      ]
+    },
     {
       "key": "replay_id",
       "brief": "The id of the sentry replay.",