diff --git a/poetry.lock b/poetry.lock
index f87c0f92..f5143dd2 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -20,6 +20,18 @@ typing-extensions = ">=4"
 [package.extras]
 tz = ["backports.zoneinfo"]
 
+[[package]]
+name = "annotated-types"
+version = "0.6.0"
+description = "Reusable constraint types to use with typing.Annotated"
+category = "main"
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "annotated_types-0.6.0-py3-none-any.whl", hash = "sha256:0641064de18ba7a25dee8f96403ebc39113d0cb953a01429249d5c7564666a43"},
+    {file = "annotated_types-0.6.0.tar.gz", hash = "sha256:563339e807e53ffd9c267e99fc6d9ea23eb8443c08f112651963e24e22f84a5d"},
+]
+
 [[package]]
 name = "anyio"
 version = "3.7.1"
@@ -152,6 +164,46 @@ d = ["aiohttp (>=3.7.4)"]
 jupyter = ["ipython (>=7.8.0)", "tokenize-rt (>=3.2.0)"]
 uvloop = ["uvloop (>=0.15.2)"]
 
+[[package]]
+name = "boto3"
+version = "1.33.12"
+description = "The AWS SDK for Python"
+category = "main"
+optional = false
+python-versions = ">= 3.7"
+files = [
+    {file = "boto3-1.33.12-py3-none-any.whl", hash = "sha256:475efcff30401041e9c348e20613eca90ab14a224e2f978ca80de98ba3499435"},
+    {file = "boto3-1.33.12.tar.gz", hash = "sha256:2225edaea2fa17274f62707c12d9f7803c998af7089fe8a1ec8e4f1ebf47677e"},
+]
+
+[package.dependencies]
+botocore = ">=1.33.12,<1.34.0"
+jmespath = ">=0.7.1,<2.0.0"
+s3transfer = ">=0.8.2,<0.9.0"
+
+[package.extras]
+crt = ["botocore[crt] (>=1.21.0,<2.0a0)"]
+
+[[package]]
+name = "botocore"
+version = "1.33.12"
+description = "Low-level, data-driven core of boto 3."
+category = "main"
+optional = false
+python-versions = ">= 3.7"
+files = [
+    {file = "botocore-1.33.12-py3-none-any.whl", hash = "sha256:48b9cfb9c5f7f9634a71782f16a324acb522b65856ad46be69efe04c3322b23c"},
+    {file = "botocore-1.33.12.tar.gz", hash = "sha256:067c94fa88583c04ae897d48a11d2be09f280363b8e794b82d78d631d3a3e910"},
+]
+
+[package.dependencies]
+jmespath = ">=0.7.1,<2.0.0"
+python-dateutil = ">=2.1,<3.0.0"
+urllib3 = {version = ">=1.25.4,<2.1", markers = "python_version >= \"3.10\""}
+
+[package.extras]
+crt = ["awscrt (==0.19.17)"]
+
 [[package]]
 name = "certifi"
 version = "2023.11.17"
@@ -518,6 +570,18 @@ files = [
     {file = "iniconfig-2.0.0.tar.gz", hash = "sha256:2d91e135bf72d31a410b17c16da610a82cb55f6b0477d1a902134b24a455b8b3"},
 ]
 
+[[package]]
+name = "jmespath"
+version = "1.0.1"
+description = "JSON Matching Expressions"
+category = "main"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "jmespath-1.0.1-py3-none-any.whl", hash = "sha256:02e2e4cc71b5bcab88332eebf907519190dd9e6e82107fa7f83b1003a6252980"},
+    {file = "jmespath-1.0.1.tar.gz", hash = "sha256:90261b206d6defd58fdd5e85f478bf633a2901798906be2ad389150c5c60edbe"},
+]
+
 [[package]]
 name = "mako"
 version = "1.3.0"
@@ -931,52 +995,20 @@ files = [
 
 [[package]]
 name = "pydantic"
-version = "1.10.13"
-description = "Data validation and settings management using python type hints"
+version = "2.5.2"
+description = "Data validation using Python type hints"
 category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
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-    {file = "pydantic-1.10.13-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:3ecea2b9d80e5333303eeb77e180b90e95eea8f765d08c3d278cd56b00345d01"},
-    {file = "pydantic-1.10.13-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:1740068fd8e2ef6eb27a20e5651df000978edce6da6803c2bef0bc74540f9548"},
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-    {file = "pydantic-1.10.13-cp310-cp310-musllinux_1_1_x86_64.whl", hash = "sha256:654db58ae399fe6434e55325a2c3e959836bd17a6f6a0b6ca8107ea0571d2e17"},
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-    {file = "pydantic-1.10.13-cp39-cp39-musllinux_1_1_i686.whl", hash = "sha256:9f00790179497767aae6bcdc36355792c79e7bbb20b145ff449700eb076c5f96"},
-    {file = "pydantic-1.10.13-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:75b297827b59bc229cac1a23a2f7a4ac0031068e5be0ce385be1462e7e17a35d"},
-    {file = "pydantic-1.10.13-cp39-cp39-win_amd64.whl", hash = "sha256:e70ca129d2053fb8b728ee7d1af8e553a928d7e301a311094b8a0501adc8763d"},
-    {file = "pydantic-1.10.13-py3-none-any.whl", hash = "sha256:b87326822e71bd5f313e7d3bfdc77ac3247035ac10b0c0618bd99dcf95b1e687"},
-    {file = "pydantic-1.10.13.tar.gz", hash = "sha256:32c8b48dcd3b2ac4e78b0ba4af3a2c2eb6048cb75202f0ea7b34feb740efc340"},
+    {file = "pydantic-2.5.2-py3-none-any.whl", hash = "sha256:80c50fb8e3dcecfddae1adbcc00ec5822918490c99ab31f6cf6140ca1c1429f0"},
+    {file = "pydantic-2.5.2.tar.gz", hash = "sha256:ff177ba64c6faf73d7afa2e8cad38fd456c0dbe01c9954e71038001cd15a6edd"},
 ]
 
 [package.dependencies]
-typing-extensions = ">=4.2.0"
+annotated-types = ">=0.4.0"
+pydantic-core = "2.14.5"
+typing-extensions = ">=4.6.1"
 
 [package.extras]
 email = ["email-validator (>=2.0.0)"]
@@ -1300,6 +1332,21 @@ requests-toolbelt = ">=0.6.0"
 [package.extras]
 docs = ["Sphinx (>=6.1.0,<7.0.0)", "alabaster (>=0.7.12,<0.8.0)", "commonmark (>=0.9.1,<0.10.0)", "m2r2 (>=0.3.2,<0.4.0)", "mock (>=4.0.3,<5.0.0)", "readthedocs-sphinx-ext (>=2.1.9,<3.0.0)", "recommonmark (>=0.7.1,<0.8.0)", "sphinx-autoapi (>=3.0.0,<4.0.0)", "sphinx-rtd-theme (>=1.0.0,<2.0.0)"]
 
+[[package]]
+name = "python-multipart"
+version = "0.0.6"
+description = "A streaming multipart parser for Python"
+category = "main"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "python_multipart-0.0.6-py3-none-any.whl", hash = "sha256:ee698bab5ef148b0a760751c261902cd096e57e10558e11aca17646b74ee1c18"},
+    {file = "python_multipart-0.0.6.tar.gz", hash = "sha256:e9925a80bb668529f1b67c7fdb0a5dacdd7cbfc6fb0bff3ea443fe22bdd62132"},
+]
+
+[package.extras]
+dev = ["atomicwrites (==1.2.1)", "attrs (==19.2.0)", "coverage (==6.5.0)", "hatch", "invoke (==1.7.3)", "more-itertools (==4.3.0)", "pbr (==4.3.0)", "pluggy (==1.0.0)", "py (==1.11.0)", "pytest (==7.2.0)", "pytest-cov (==4.0.0)", "pytest-timeout (==2.1.0)", "pyyaml (==5.1)"]
+
 [[package]]
 name = "pytz"
 version = "2023.3.post1"
@@ -1434,6 +1481,24 @@ files = [
     {file = "ruff-0.1.6.tar.gz", hash = "sha256:1b09f29b16c6ead5ea6b097ef2764b42372aebe363722f1605ecbcd2b9207184"},
 ]
 
+[[package]]
+name = "s3transfer"
+version = "0.8.2"
+description = "An Amazon S3 Transfer Manager"
+category = "main"
+optional = false
+python-versions = ">= 3.7"
+files = [
+    {file = "s3transfer-0.8.2-py3-none-any.whl", hash = "sha256:c9e56cbe88b28d8e197cf841f1f0c130f246595e77ae5b5a05b69fe7cb83de76"},
+    {file = "s3transfer-0.8.2.tar.gz", hash = "sha256:368ac6876a9e9ed91f6bc86581e319be08188dc60d50e0d56308ed5765446283"},
+]
+
+[package.dependencies]
+botocore = ">=1.33.2,<2.0a.0"
+
+[package.extras]
+crt = ["botocore[crt] (>=1.33.2,<2.0a.0)"]
+
 [[package]]
 name = "six"
 version = "1.16.0"
@@ -1625,18 +1690,19 @@ files = [
 
 [[package]]
 name = "urllib3"
-version = "2.1.0"
+version = "2.0.7"
 description = "HTTP library with thread-safe connection pooling, file post, and more."
 category = "main"
 optional = false
-python-versions = ">=3.8"
+python-versions = ">=3.7"
 files = [
-    {file = "urllib3-2.1.0-py3-none-any.whl", hash = "sha256:55901e917a5896a349ff771be919f8bd99aff50b79fe58fec595eb37bbc56bb3"},
-    {file = "urllib3-2.1.0.tar.gz", hash = "sha256:df7aa8afb0148fa78488e7899b2c59b5f4ffcfa82e6c54ccb9dd37c1d7b52d54"},
+    {file = "urllib3-2.0.7-py3-none-any.whl", hash = "sha256:fdb6d215c776278489906c2f8916e6e7d4f5a9b602ccbcfdf7f016fc8da0596e"},
+    {file = "urllib3-2.0.7.tar.gz", hash = "sha256:c97dfde1f7bd43a71c8d2a58e369e9b2bf692d1334ea9f9cae55add7d0dd0f84"},
 ]
 
 [package.extras]
 brotli = ["brotli (>=1.0.9)", "brotlicffi (>=0.8.0)"]
+secure = ["certifi", "cryptography (>=1.9)", "idna (>=2.0.0)", "pyopenssl (>=17.1.0)", "urllib3-secure-extra"]
 socks = ["pysocks (>=1.5.6,!=1.5.7,<2.0)"]
 zstd = ["zstandard (>=0.18.0)"]
 
@@ -1742,4 +1808,4 @@ files = [
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.11"
-content-hash = "5c4b2e7de0bdf72ffb3fd41cf445a6b25c326925555a3a081d42a8dfd227e3f5"
+content-hash = "fcc9ec01d363ad675dedd0d781b43d2063776a3db7a9cc641d9aeb292b343ace"
diff --git a/pyproject.toml b/pyproject.toml
index 437a0344..09496e7f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,6 +16,8 @@ psycopg2-binary = "^2.9.9"
 asyncpg = "^0.29.0"
 regtech-api-commons = {git = "https://github.com/cfpb/regtech-api-commons.git"}
 regtech-data-validator = {git = "https://github.com/cfpb/regtech-data-validator.git"}
+python-multipart = "^0.0.6"
+boto3 = "^1.33.12"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^7.4.3"
diff --git a/src/main.py b/src/main.py
index 47fefa1c..93bee0c5 100644
--- a/src/main.py
+++ b/src/main.py
@@ -1,8 +1,8 @@
 from fastapi import FastAPI
 
+from routers import filing_router
+
 app = FastAPI()
 
 
-@app.get("/test")
-def test():
-    return "test"
+app.include_router(filing_router, prefix="/v1/filing")
diff --git a/src/routers/__init__.py b/src/routers/__init__.py
new file mode 100644
index 00000000..2eb0f7eb
--- /dev/null
+++ b/src/routers/__init__.py
@@ -0,0 +1,3 @@
+__all__ = ["filing_router"]
+
+from .filing import router as filing_router
diff --git a/src/routers/filing.py b/src/routers/filing.py
new file mode 100644
index 00000000..6289f5e5
--- /dev/null
+++ b/src/routers/filing.py
@@ -0,0 +1,15 @@
+from http import HTTPStatus
+from fastapi import Request, UploadFile, BackgroundTasks
+from regtech_api_commons.api import Router
+from services import submission_processor
+
+router = Router()
+
+
+@router.post("/{lei}/submissions/{submission_id}", status_code=HTTPStatus.ACCEPTED)
+async def upload_file(
+    request: Request, lei: str, submission_id: str, file: UploadFile, background_tasks: BackgroundTasks
+):
+    content = await file.read()
+    await submission_processor.upload_to_storage(lei, submission_id, content)
+    background_tasks.add_task(submission_processor.validate_submission, lei, submission_id, content)
diff --git a/src/services/__init__.py b/src/services/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/src/services/submission_processor.py b/src/services/submission_processor.py
new file mode 100644
index 00000000..d75d8449
--- /dev/null
+++ b/src/services/submission_processor.py
@@ -0,0 +1,8 @@
+async def upload_to_storage(lei: str, submission_id: str, content: bytes):
+    # implement uploading process here
+    pass
+
+
+async def validate_submission(lei: str, submission_id: str, content: bytes):
+    # implement validation process here
+    pass