diff --git a/CHANGELOG.md b/CHANGELOG.md
index 952e410..a27e42f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.0.29
+
+* **Support persisting file data changes**
+
 ## 0.0.28
 
 * **Isolate what gets bundled in package**
diff --git a/test/api/test_api.py b/test/api/test_api.py
index cf6fdf5..8bec1df 100644
--- a/test/api/test_api.py
+++ b/test/api/test_api.py
@@ -1,5 +1,5 @@
 from pathlib import Path
-from typing import Any, Optional
+from typing import Any, Optional, Union
 
 import pytest
 from fastapi.testclient import TestClient
@@ -25,6 +25,7 @@ class InvokeResponse(BaseModel):
     filedata_meta: FileDataMeta
     status_code_text: Optional[str] = None
     output: Optional[Any] = None
+    file_data: Optional[Union[FileData, BatchFileData]] = None
 
     def generic_validation(self):
         assert self.status_code == 200
@@ -121,6 +122,9 @@ def test_filedata_meta(file_data):
     filedata_meta = invoke_response.filedata_meta
     assert len(filedata_meta.new_records) == 15
     assert filedata_meta.terminate_current
+    file_data = invoke_response.file_data
+    assert file_data
+    assert file_data.metadata.record_locator.get("key") == "value"
     assert not invoke_response.output
 
 
diff --git a/test/assets/filedata_meta.py b/test/assets/filedata_meta.py
index bfaa613..b3f4694 100644
--- a/test/assets/filedata_meta.py
+++ b/test/assets/filedata_meta.py
@@ -18,6 +18,7 @@ class Output(BaseModel):
 def process_input(
     i: Input, file_data: Union[FileData, BatchFileData], filedata_meta: FileDataMeta
 ) -> Optional[Output]:
+    file_data.metadata.record_locator = {"key": "value"}
     if i.m > 10:
         filedata_meta.terminate_current = True
         new_content = [
diff --git a/unstructured_platform_plugins/__version__.py b/unstructured_platform_plugins/__version__.py
index 3c17069..54489aa 100644
--- a/unstructured_platform_plugins/__version__.py
+++ b/unstructured_platform_plugins/__version__.py
@@ -1 +1 @@
-__version__ = "0.0.28"  # pragma: no cover
+__version__ = "0.0.29"  # pragma: no cover
diff --git a/unstructured_platform_plugins/etl_uvicorn/api_generator.py b/unstructured_platform_plugins/etl_uvicorn/api_generator.py
index aabc084..4d22b8b 100644
--- a/unstructured_platform_plugins/etl_uvicorn/api_generator.py
+++ b/unstructured_platform_plugins/etl_uvicorn/api_generator.py
@@ -11,7 +11,7 @@
 from opentelemetry.instrumentation.fastapi import FastAPIInstrumentor
 from pydantic import BaseModel, Field, create_model
 from starlette.responses import RedirectResponse
-from unstructured_ingest.data_types.file_data import file_data_from_dict
+from unstructured_ingest.data_types.file_data import BatchFileData, FileData, file_data_from_dict
 from uvicorn.config import LOG_LEVELS
 from uvicorn.importer import import_from_string
 
@@ -31,6 +31,8 @@
     schema_to_base_model,
 )
 
+FileDataType = Union[FileData, BatchFileData]
+
 
 class EtlApiException(Exception):
     pass
@@ -137,7 +139,8 @@ def _wrap_in_fastapi(
     class InvokeResponse(BaseModel):
         usage: list[UsageData]
         status_code: int
-        filedata_meta: Optional[filedata_meta_model]
+        file_data: Optional[FileDataType] = None
+        filedata_meta: Optional[filedata_meta_model] = None
         status_code_text: Optional[str] = None
         output: Optional[response_type] = None
         message_channels: MessageChannels = Field(default_factory=MessageChannels)
@@ -177,6 +180,7 @@ async def _stream_response():
                                     ),
                                     status_code=status.HTTP_200_OK,
                                     output=output,
+                                    file_data=request_dict.get("file_data", None),
                                 ).model_dump_json()
                                 + "\n"
                             )
@@ -202,6 +206,7 @@ async def _stream_response():
                     filedata_meta=filedata_meta_model.model_validate(filedata_meta.model_dump()),
                     status_code=status.HTTP_200_OK,
                     output=output,
+                    file_data=request_dict.get("file_data", None),
                 )
         except UnrecoverableException as ex:
             logger.info("Unrecoverable error occurred during plugin invocation")
@@ -211,6 +216,7 @@ async def _stream_response():
                 status_code=512,
                 status_code_text=ex.message,
                 filedata_meta=filedata_meta_model.model_validate(filedata_meta.model_dump()),
+                file_data=request_dict.get("file_data", None),
             )
         except Exception as invoke_error:
             logger.error(f"failed to invoke plugin: {invoke_error}", exc_info=True)
@@ -221,6 +227,7 @@ async def _stream_response():
                 filedata_meta=filedata_meta_model.model_validate(filedata_meta.model_dump()),
                 status_code=http_error.status_code,
                 status_code_text=f"[{invoke_error.__class__.__name__}] {invoke_error}",
+                file_data=request_dict.get("file_data", None),
             )
 
     if input_schema_model.model_fields: