diff --git a/pyproject.toml b/pyproject.toml
index c5b95bb..cf65f89 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,6 +29,7 @@ dependencies = [
     "pydantic-extra-types==2.10.5",
     "semver==3.0.4",
     "pyjwt==2.10.1",
+    "xmltodict==1.0.2",
     "python-multipart==0.0.20",
     # CLI
     "typer-slim==0.16.1",
diff --git a/src/apps/remd/v1/router.py b/src/apps/remd/v1/router.py
index 05622af..aad08ea 100644
--- a/src/apps/remd/v1/router.py
+++ b/src/apps/remd/v1/router.py
@@ -1,6 +1,13 @@
 from logging import getLogger
 
+import xmltodict
 from fastapi import APIRouter, HTTPException, Request
+from orjson import dumps, loads
+
+from apps.users.v1.schema import AEMDDemandContent
+from shared.redis import client
+
+from . import schema as s
 
 logger = getLogger(__name__)
 router = APIRouter(
@@ -13,18 +20,26 @@ router = APIRouter(
 
 @router.post('/callback')
 async def callback(request: Request):
-    logger.info(request.headers.get('content-type', ''))
-    # if not request.headers.get('content-type', '').startswith(
-    #     'application/xml'
-    # ):
-    #     logger.warning('Content-Type must be application/xml')
-    #     raise HTTPException(
-    #         status_code=400, detail='Content-Type must be application/xml'
-    #     )
-
     body_bytes = await request.body()
     if not body_bytes:
         logger.warning('Empty body')
         raise HTTPException(status_code=400, detail='Empty body')
 
-    print(body_bytes)
+    body = body_bytes.decode('utf-8').replace('\r', '').replace('\n', '')
+    body_dict = xmltodict.parse(body)
+    body = s.Remd.model_validate(body_dict)
+    file_request = body.Envelope.body.sendDocumentFileRequest
+
+    data = await client.get(f'aemd_messages:{file_request.relatesToMessage}')
+
+    if not data:
+        raise HTTPException(status_code=400, detail='Message not found')
+
+    messageData = AEMDDemandContent(**loads(data))
+    await client.delete(f'aemd_messages:{file_request.relatesToMessage}')
+    await client.set(
+        f'aemd{messageData["vitaId"]}:{messageData["emdrId"]}',
+        dumps(s.AEMDFileData(data=file_request.file.data)),
+    )
+
+    return
diff --git a/src/apps/remd/v1/schema.py b/src/apps/remd/v1/schema.py
new file mode 100644
index 0000000..19c39c4
--- /dev/null
+++ b/src/apps/remd/v1/schema.py
@@ -0,0 +1,28 @@
+from typing import TypedDict
+
+from pydantic import BaseModel, Field
+
+
+class FileModel(BaseModel):
+    data: str
+
+
+class RequestModel(BaseModel):
+    relatesToMessage: str
+    file: FileModel
+
+
+class BodyModel(BaseModel):
+    sendDocumentFileRequest: RequestModel
+
+
+class EnvelopeModel(BaseModel):
+    body: BodyModel = Field(..., alias='s:Body')
+
+
+class Remd(BaseModel):
+    Envelope: EnvelopeModel = Field(..., alias='s:Envelope')
+
+
+class AEMDFileData(TypedDict):
+    data: str
diff --git a/src/apps/users/v1/router.py b/src/apps/users/v1/router.py
index 032782a..cc1d422 100644
--- a/src/apps/users/v1/router.py
+++ b/src/apps/users/v1/router.py
@@ -206,7 +206,7 @@ async def get_aemd(user: Annotated[User, Depends(login)]):
     return_items: list[s.AEMDReturnFile] = []
 
     for item in items:
-        is_cached = await cache.get(f'aemd:{item["localUid"]}')
+        is_cached = await cache.get(f'aemd:{user.vita_id}:{item["emdrId"]}')
 
         return_items.append(
             s.AEMDReturnFile(
@@ -233,7 +233,12 @@ async def post_aemd(user: Annotated[User, Depends(login)], emdrId: str):
 
 @router.get('/aemd/{emdrId}')
 async def get_aemd_file(user: Annotated[User, Depends(login)], emdrId: str):
-    return
+    data = await cache.get(f'aemd:{user.vita_id}:{emdrId}')
+
+    if not data:
+        raise e.NotFoundException(status_code=404, detail='File not found')
+
+    return loads(data)
 
 
 @router.post('/measurement', status_code=status.HTTP_202_ACCEPTED)