diff --git a/invokeai/app/services/events/events_common.py b/invokeai/app/services/events/events_common.py
index 78fcfba7f0..7d3d489bf5 100644
--- a/invokeai/app/services/events/events_common.py
+++ b/invokeai/app/services/events/events_common.py
@@ -2,6 +2,7 @@ from math import floor
 from typing import TYPE_CHECKING, Any, Coroutine, Generic, Optional, Protocol, TypeAlias, TypeVar
 
 from fastapi_events.handlers.local import local_handler
+from fastapi_events.registry.payload_schema import registry as payload_schema
 from pydantic import BaseModel, ConfigDict, Field, SerializeAsAny
 
 from invokeai.app.invocations.baseinvocation import BaseInvocation, BaseInvocationOutput
@@ -100,6 +101,7 @@ class InvocationEventBase(QueueItemEventBase):
     invocation_source_id: str = Field(description="The ID of the prepared invocation's source node")
 
 
+@payload_schema.register
 class InvocationStartedEvent(InvocationEventBase):
     """Event model for invocation_started"""
 
@@ -117,6 +119,7 @@ class InvocationStartedEvent(InvocationEventBase):
         )
 
 
+@payload_schema.register
 class InvocationDenoiseProgressEvent(InvocationEventBase):
     """Event model for invocation_denoise_progress"""
 
@@ -164,6 +167,7 @@ class InvocationDenoiseProgressEvent(InvocationEventBase):
         return (step + 1 + 1) / (total_steps + 1)
 
 
+@payload_schema.register
 class InvocationCompleteEvent(InvocationEventBase):
     """Event model for invocation_complete"""
 
@@ -186,6 +190,7 @@ class InvocationCompleteEvent(InvocationEventBase):
         )
 
 
+@payload_schema.register
 class InvocationErrorEvent(InvocationEventBase):
     """Event model for invocation_error"""
 
@@ -221,6 +226,7 @@ class InvocationErrorEvent(InvocationEventBase):
         )
 
 
+@payload_schema.register
 class QueueItemStatusChangedEvent(QueueItemEventBase):
     """Event model for queue_item_status_changed"""
 
@@ -260,6 +266,7 @@ class QueueItemStatusChangedEvent(QueueItemEventBase):
         )
 
 
+@payload_schema.register
 class BatchEnqueuedEvent(QueueEventBase):
     """Event model for batch_enqueued"""
 
@@ -283,6 +290,7 @@ class BatchEnqueuedEvent(QueueEventBase):
         )
 
 
+@payload_schema.register
 class QueueClearedEvent(QueueEventBase):
     """Event model for queue_cleared"""
 
@@ -299,6 +307,7 @@ class DownloadEventBase(EventBase):
     source: str = Field(description="The source of the download")
 
 
+@payload_schema.register
 class DownloadStartedEvent(DownloadEventBase):
     """Event model for download_started"""
 
@@ -312,6 +321,7 @@ class DownloadStartedEvent(DownloadEventBase):
         return cls(source=str(job.source), download_path=job.download_path.as_posix())
 
 
+@payload_schema.register
 class DownloadProgressEvent(DownloadEventBase):
     """Event model for download_progress"""
 
@@ -332,6 +342,7 @@ class DownloadProgressEvent(DownloadEventBase):
         )
 
 
+@payload_schema.register
 class DownloadCompleteEvent(DownloadEventBase):
     """Event model for download_complete"""
 
@@ -346,6 +357,7 @@ class DownloadCompleteEvent(DownloadEventBase):
         return cls(source=str(job.source), download_path=job.download_path.as_posix(), total_bytes=job.total_bytes)
 
 
+@payload_schema.register
 class DownloadCancelledEvent(DownloadEventBase):
     """Event model for download_cancelled"""
 
@@ -356,6 +368,7 @@ class DownloadCancelledEvent(DownloadEventBase):
         return cls(source=str(job.source))
 
 
+@payload_schema.register
 class DownloadErrorEvent(DownloadEventBase):
     """Event model for download_error"""
 
@@ -375,6 +388,7 @@ class ModelEventBase(EventBase):
     """Base class for events associated with a model"""
 
 
+@payload_schema.register
 class ModelLoadStartedEvent(ModelEventBase):
     """Event model for model_load_started"""
 
@@ -388,6 +402,7 @@ class ModelLoadStartedEvent(ModelEventBase):
         return cls(config=config, submodel_type=submodel_type)
 
 
+@payload_schema.register
 class ModelLoadCompleteEvent(ModelEventBase):
     """Event model for model_load_complete"""
 
@@ -401,6 +416,7 @@ class ModelLoadCompleteEvent(ModelEventBase):
         return cls(config=config, submodel_type=submodel_type)
 
 
+@payload_schema.register
 class ModelInstallDownloadProgressEvent(ModelEventBase):
     """Event model for model_install_download_progress"""
 
@@ -436,6 +452,7 @@ class ModelInstallDownloadProgressEvent(ModelEventBase):
         )
 
 
+@payload_schema.register
 class ModelInstallDownloadsCompleteEvent(ModelEventBase):
     """Emitted once when an install job becomes active."""
 
@@ -449,6 +466,7 @@ class ModelInstallDownloadsCompleteEvent(ModelEventBase):
         return cls(id=job.id, source=str(job.source))
 
 
+@payload_schema.register
 class ModelInstallStartedEvent(ModelEventBase):
     """Event model for model_install_started"""
 
@@ -462,6 +480,7 @@ class ModelInstallStartedEvent(ModelEventBase):
         return cls(id=job.id, source=str(job.source))
 
 
+@payload_schema.register
 class ModelInstallCompleteEvent(ModelEventBase):
     """Event model for model_install_complete"""
 
@@ -478,6 +497,7 @@ class ModelInstallCompleteEvent(ModelEventBase):
         return cls(id=job.id, source=str(job.source), key=(job.config_out.key), total_bytes=job.total_bytes)
 
 
+@payload_schema.register
 class ModelInstallCancelledEvent(ModelEventBase):
     """Event model for model_install_cancelled"""
 
@@ -491,6 +511,7 @@ class ModelInstallCancelledEvent(ModelEventBase):
         return cls(id=job.id, source=str(job.source))
 
 
+@payload_schema.register
 class ModelInstallErrorEvent(ModelEventBase):
     """Event model for model_install_error"""
 
@@ -516,6 +537,7 @@ class BulkDownloadEventBase(EventBase):
     bulk_download_item_name: str = Field(description="The name of the bulk image download item")
 
 
+@payload_schema.register
 class BulkDownloadStartedEvent(BulkDownloadEventBase):
     """Event model for bulk_download_started"""
 
@@ -532,6 +554,7 @@ class BulkDownloadStartedEvent(BulkDownloadEventBase):
         )
 
 
+@payload_schema.register
 class BulkDownloadCompleteEvent(BulkDownloadEventBase):
     """Event model for bulk_download_complete"""
 
@@ -548,6 +571,7 @@ class BulkDownloadCompleteEvent(BulkDownloadEventBase):
         )
 
 
+@payload_schema.register
 class BulkDownloadErrorEvent(BulkDownloadEventBase):
     """Event model for bulk_download_error"""