diff --git a/changelog.d/13047.feature b/changelog.d/13047.feature
new file mode 100644
index 000000000000..ddd1dbe685ca
--- /dev/null
+++ b/changelog.d/13047.feature
@@ -0,0 +1 @@
+Port spam-checker API callbacks to a new, richer API. This is part of an ongoing change to let spam-checker modules inform users of the reason their event or operation is rejected.
diff --git a/docs/modules/spam_checker_callbacks.md b/docs/modules/spam_checker_callbacks.md
index 8ca7d5bdbfdc..50969edd46ff 100644
--- a/docs/modules/spam_checker_callbacks.md
+++ b/docs/modules/spam_checker_callbacks.md
@@ -70,7 +70,7 @@ this callback.
 
 _First introduced in Synapse v1.37.0_
 
-_Changed in Synapse v1.61.0: `synapse.module_api.NOT_SPAM` and `synapse.module_api.errors.Codes` can be returned by this callback. Returning a boolean is now deprecated._ 
+_Changed in Synapse v1.62.0: `synapse.module_api.NOT_SPAM` and `synapse.module_api.errors.Codes` can be returned by this callback. Returning a boolean is now deprecated._ 
 
 ```python
 async def user_may_invite(inviter: str, invitee: str, room_id: str) -> Union["synapse.module_api.NOT_SPAM", "synapse.module_api.errors.Codes", bool]
@@ -100,7 +100,7 @@ this callback.
 
 _First introduced in Synapse v1.45.0_
 
-_Changed in Synapse v1.61.0: `synapse.module_api.NOT_SPAM` and `synapse.module_api.errors.Codes` can be returned by this callback. Returning a boolean is now deprecated._ 
+_Changed in Synapse v1.62.0: `synapse.module_api.NOT_SPAM` and `synapse.module_api.errors.Codes` can be returned by this callback. Returning a boolean is now deprecated._ 
 
 ```python
 async def user_may_send_3pid_invite(
@@ -154,7 +154,7 @@ this callback.
 
 _First introduced in Synapse v1.37.0_
 
-_Changed in Synapse v1.61.0: `synapse.module_api.NOT_SPAM` and `synapse.module_api.errors.Codes` can be returned by this callback. Returning a boolean is now deprecated._ 
+_Changed in Synapse v1.62.0: `synapse.module_api.NOT_SPAM` and `synapse.module_api.errors.Codes` can be returned by this callback. Returning a boolean is now deprecated._ 
 
 ```python
 async def user_may_create_room(user_id: str) -> Union["synapse.module_api.NOT_SPAM", "synapse.module_api.errors.Codes", bool]
@@ -183,7 +183,7 @@ this callback.
 
 _First introduced in Synapse v1.37.0_
 
-_Changed in Synapse v1.61.0: `synapse.module_api.NOT_SPAM` and `synapse.module_api.errors.Codes` can be returned by this callback. Returning a boolean is now deprecated._ 
+_Changed in Synapse v1.62.0: `synapse.module_api.NOT_SPAM` and `synapse.module_api.errors.Codes` can be returned by this callback. Returning a boolean is now deprecated._ 
 
 ```python
 async def user_may_create_room_alias(user_id: str, room_alias: "synapse.module_api.RoomAlias") -> Union["synapse.module_api.NOT_SPAM", "synapse.module_api.errors.Codes", bool]
@@ -212,7 +212,7 @@ this callback.
 
 _First introduced in Synapse v1.37.0_
 
-_Changed in Synapse v1.61.0: `synapse.module_api.NOT_SPAM` and `synapse.module_api.errors.Codes` can be returned by this callback. Returning a boolean is now deprecated._ 
+_Changed in Synapse v1.62.0: `synapse.module_api.NOT_SPAM` and `synapse.module_api.errors.Codes` can be returned by this callback. Returning a boolean is now deprecated._ 
 
 ```python
 async def user_may_publish_room(user_id: str, room_id: str) -> Union["synapse.module_api.NOT_SPAM", "synapse.module_api.errors.Codes", bool]
@@ -303,7 +303,7 @@ this callback.
 
 _First introduced in Synapse v1.37.0_
 
-_Changed in Synapse v1.61.0: `synapse.module_api.NOT_SPAM` and `synapse.module_api.errors.Codes` can be returned by this callback. Returning a boolean is now deprecated._ 
+_Changed in Synapse v1.62.0: `synapse.module_api.NOT_SPAM` and `synapse.module_api.errors.Codes` can be returned by this callback. Returning a boolean is now deprecated._ 
 
 ```python
 async def check_media_file_for_spam(