diff --git a/Pipfile b/Pipfile
index e6cd44fe..50d0a8a2 100644
--- a/Pipfile
+++ b/Pipfile
@@ -21,6 +21,7 @@ responses = "*"
 
 [packages]
 aiocache = {extras = ["redis"],version = "*"}
+aiofiles = "*"
 aiohttp = "*"
 asyncache = "*"
 cachetools = "*"
diff --git a/Pipfile.lock b/Pipfile.lock
index 08d2b350..cb95452c 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "c79309b1038049f74b5b8a133e931ebbe22162b613809fc39e938d84830bb039"
+            "sha256": "596c0a497d4f2cfa9e3a3e8b38b2cf018ab3b6d9a26f04a949ced6b025e05f62"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -27,6 +27,14 @@
             "index": "pypi",
             "version": "==0.11.1"
         },
+        "aiofiles": {
+            "hashes": [
+                "sha256:377fdf7815cc611870c59cbd07b68b180841d2a2b79812d8c218be02448c2acb",
+                "sha256:98e6bcfd1b50f97db4980e182ddd509b7cc35909e903a8fe50d8849e02d815af"
+            ],
+            "index": "pypi",
+            "version": "==0.5.0"
+        },
         "aiohttp": {
             "hashes": [
                 "sha256:1e984191d1ec186881ffaed4581092ba04f7c61582a177b187d3a2f07ed9719e",
@@ -97,10 +105,10 @@
         },
         "click": {
             "hashes": [
-                "sha256:8a18b4ea89d8820c5d0c7da8a64b2c324b4dabb695804dbfea19b9be9d88c0cc",
-                "sha256:e345d143d80bf5ee7534056164e5e112ea5e22716bbb1ce727941f4c8b471b9a"
+                "sha256:d2b5255c7c6349bc1bd1e59e08cd12acbbd63ce649f2588755783aa94dfb6b1a",
+                "sha256:dacca89f4bfadd5de3d7489b7c8a566eee0d3676333fbb50030263894c38c0dc"
             ],
-            "version": "==7.1.1"
+            "version": "==7.1.2"
         },
         "dataclasses": {
             "hashes": [
@@ -306,11 +314,11 @@
         },
         "uvicorn": {
             "hashes": [
-                "sha256:0f58170165c4495f563d8224b2f415a0829af0412baa034d6f777904613087fd",
-                "sha256:6fdaf8e53bf1b2ddf0fe9ed06079b5348d7d1d87b3365fe2549e6de0d49e631c"
+                "sha256:a19de5b2f8dec56ec95bbbf3ce334b168efca6a238b2ba7c6cb020e3a42ce71a",
+                "sha256:aa6db2200cff18f8c550c869fab01f78ca987464d499f654e7aeb166fe0c0616"
             ],
             "index": "pypi",
-            "version": "==0.11.3"
+            "version": "==0.11.4"
         },
         "uvloop": {
             "hashes": [
@@ -387,10 +395,10 @@
         },
         "astroid": {
             "hashes": [
-                "sha256:71ea07f44df9568a75d0f354c49143a4575d90645e9fead6dfb52c26a85ed13a",
-                "sha256:840947ebfa8b58f318d42301cf8c0a20fd794a33b61cc4638e28e9e61ba32f42"
+                "sha256:29fa5d46a2404d01c834fcb802a3943685f1fc538eb2a02a161349f5505ac196",
+                "sha256:2fecea42b20abb1922ed65c7b5be27edfba97211b04b2b6abc6a43549a024ea6"
             ],
-            "version": "==2.3.3"
+            "version": "==2.4.0"
         },
         "async-asgi-testclient": {
             "hashes": [
@@ -454,10 +462,10 @@
         },
         "click": {
             "hashes": [
-                "sha256:8a18b4ea89d8820c5d0c7da8a64b2c324b4dabb695804dbfea19b9be9d88c0cc",
-                "sha256:e345d143d80bf5ee7534056164e5e112ea5e22716bbb1ce727941f4c8b471b9a"
+                "sha256:d2b5255c7c6349bc1bd1e59e08cd12acbbd63ce649f2588755783aa94dfb6b1a",
+                "sha256:dacca89f4bfadd5de3d7489b7c8a566eee0d3676333fbb50030263894c38c0dc"
             ],
-            "version": "==7.1.1"
+            "version": "==7.1.2"
         },
         "coverage": {
             "hashes": [
@@ -662,11 +670,11 @@
         },
         "pylint": {
             "hashes": [
-                "sha256:3db5468ad013380e987410a8d6956226963aed94ecb5f9d3a28acca6d9ac36cd",
-                "sha256:886e6afc935ea2590b462664b161ca9a5e40168ea99e5300935f6591ad467df4"
+                "sha256:588e114e3f9a1630428c35b7dd1c82c1c93e1b0e78ee312ae4724c5e1a1e0245",
+                "sha256:bd556ba95a4cf55a1fc0004c00cf4560b1e70598a54a74c6904d933c8f3bd5a8"
             ],
             "index": "pypi",
-            "version": "==2.4.4"
+            "version": "==2.5.0"
         },
         "pyparsing": {
             "hashes": [
@@ -809,6 +817,7 @@
                 "sha256:fc0fea399acb12edbf8a628ba8d2312f583bdbdb3335635db062fa98cf71fca4",
                 "sha256:fe460b922ec15dd205595c9b5b99e2f056fd98ae8f9f56b888e7a17dc2b757e7"
             ],
+            "markers": "implementation_name == 'cpython' and python_version < '3.8'",
             "version": "==1.4.1"
         },
         "urllib3": {
@@ -827,9 +836,9 @@
         },
         "wrapt": {
             "hashes": [
-                "sha256:565a021fd19419476b9362b05eeaa094178de64f8361e44468f9e9d7843901e1"
+                "sha256:b62ffa81fb85f4332a4f609cab4ac40709470da05643a082ec1eb88e6d9b97d7"
             ],
-            "version": "==1.11.2"
+            "version": "==1.12.1"
         },
         "zipp": {
             "hashes": [
diff --git a/app/io.py b/app/io.py
index 8130c146..3bd443b6 100644
--- a/app/io.py
+++ b/app/io.py
@@ -1,28 +1,56 @@
 """app.io.py"""
 import json
 import pathlib
-from typing import Dict, Union
+from typing import Dict, List, Union
+
+import aiofiles
 
 HERE = pathlib.Path(__file__)
 DATA = HERE.joinpath("..", "data").resolve()
 
 
 def save(
-    name: str, content: Union[str, Dict], write_mode: str = "w", indent: int = 2, **json_dumps_kwargs
+    name: str, content: Union[str, Dict, List], write_mode: str = "w", indent: int = 2, **json_dumps_kwargs
 ) -> pathlib.Path:
     """Save content to a file. If content is a dictionary, use json.dumps()."""
     path = DATA / name
-    if isinstance(content, dict):
+    if isinstance(content, (dict, list)):
         content = json.dumps(content, indent=indent, **json_dumps_kwargs)
     with open(DATA / name, mode=write_mode) as f_out:
         f_out.write(content)
     return path
 
 
-def load(name: str, **json_kwargs) -> Union[str, Dict]:
+def load(name: str, **json_kwargs) -> Union[str, Dict, List]:
     """Loads content from a file. If file ends with '.json', call json.load() and return a Dictionary."""
     path = DATA / name
     with open(path) as f_in:
         if path.suffix == ".json":
             return json.load(f_in, **json_kwargs)
         return f_in.read()
+
+
+class AIO:
+    """Asynsc compatible file io operations."""
+
+    @classmethod
+    async def save(
+        cls, name: str, content: Union[str, Dict, List], write_mode: str = "w", indent: int = 2, **json_dumps_kwargs
+    ):
+        """Save content to a file. If content is a dictionary, use json.dumps()."""
+        path = DATA / name
+        if isinstance(content, (dict, list)):
+            content = json.dumps(content, indent=indent, **json_dumps_kwargs)
+        async with aiofiles.open(DATA / name, mode=write_mode) as f_out:
+            await f_out.write(content)
+        return path
+
+    @classmethod
+    async def load(cls, name: str, **json_kwargs) -> Union[str, Dict, List]:
+        """Loads content from a file. If file ends with '.json', call json.load() and return a Dictionary."""
+        path = DATA / name
+        async with aiofiles.open(path) as f_in:
+            content = await f_in.read()
+        if path.suffix == ".json":
+            content = json.loads(content, **json_kwargs)
+        return content
diff --git a/requirements-dev.txt b/requirements-dev.txt
index d7903fdb..c226a0fe 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,6 +1,6 @@
 -i https://pypi.org/simple
 appdirs==1.4.3
-astroid==2.3.3
+astroid==2.4.0
 async-asgi-testclient==1.4.4
 async-generator==1.10
 asyncmock==0.4.2
@@ -9,7 +9,7 @@ bandit==1.6.2
 black==19.10b0
 certifi==2020.4.5.1
 chardet==3.0.4
-click==7.1.1
+click==7.1.2
 coverage==5.1
 coveralls==2.0.0
 docopt==0.6.2
@@ -29,7 +29,7 @@ pathspec==0.8.0
 pbr==5.4.5
 pluggy==0.13.1
 py==1.8.1
-pylint==2.4.4
+pylint==2.5.0
 pyparsing==2.4.7
 pytest-asyncio==0.11.0
 pytest-cov==2.8.1
@@ -42,8 +42,8 @@ six==1.14.0
 smmap==3.0.2
 stevedore==1.32.0
 toml==0.10.0
-typed-ast==1.4.1
+typed-ast==1.4.1 ; implementation_name == 'cpython' and python_version < '3.8'
 urllib3==1.25.9
 wcwidth==0.1.9
-wrapt==1.11.2
+wrapt==1.12.1
 zipp==3.1.0
diff --git a/requirements.txt b/requirements.txt
index 86ec8017..9e061190 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
 -i https://pypi.org/simple
 aiocache[redis]==0.11.1
+aiofiles==0.5.0
 aiohttp==3.6.2
 aioredis==1.3.1
 async-timeout==3.0.1
@@ -8,7 +9,7 @@ attrs==19.3.0
 cachetools==4.1.0
 certifi==2020.4.5.1
 chardet==3.0.4
-click==7.1.1
+click==7.1.2
 dataclasses==0.6 ; python_version < '3.7'
 fastapi==0.54.1
 gunicorn==20.0.4
@@ -25,7 +26,7 @@ requests==2.23.0
 six==1.14.0
 starlette==0.13.2
 urllib3==1.25.9
-uvicorn==0.11.3
+uvicorn==0.11.4
 uvloop==0.14.0 ; sys_platform != 'win32' and sys_platform != 'cygwin' and platform_python_implementation != 'PyPy'
 websockets==8.1
 yarl==1.4.2
diff --git a/tests/test_io.py b/tests/test_io.py
index 83639cc9..c5d16c3a 100644
--- a/tests/test_io.py
+++ b/tests/test_io.py
@@ -5,8 +5,7 @@
 
 import app.io
 
-
-@pytest.mark.parametrize(
+IO_PARAMS = (
     "name, content, kwargs",
     [
         ("test_file.txt", string.ascii_lowercase, {}),
@@ -14,6 +13,9 @@
         ("test_custom_json.json", {"z": -1, "b": 1, "y": -2, "a": 0}, {"indent": 4, "sort_keys": True}),
     ],
 )
+
+
+@pytest.mark.parametrize(*IO_PARAMS)
 def test_save(tmp_path, name, content, kwargs):
     test_path = tmp_path / name
     assert not test_path.exists()
@@ -23,17 +25,32 @@ def test_save(tmp_path, name, content, kwargs):
     assert test_path.exists()
 
 
-@pytest.mark.parametrize(
-    "name, content, kwargs",
-    [
-        ("test_file.txt", string.ascii_lowercase, {}),
-        ("test_json_file.json", {"a": 0, "b": 1, "c": 2}, {}),
-        ("test_custom_json.json", {"z": -1, "b": 1, "y": -2, "a": 0}, {"indent": 4, "sort_keys": True}),
-    ],
-)
+@pytest.mark.parametrize(*IO_PARAMS)
 def test_round_trip(tmp_path, name, content, kwargs):
     test_path = tmp_path / name
     assert not test_path.exists()
 
     app.io.save(test_path, content, **kwargs)
     assert app.io.load(test_path) == content
+
+
+@pytest.mark.asyncio
+@pytest.mark.parametrize(*IO_PARAMS)
+async def test_async_save(tmp_path, name, content, kwargs):
+    test_path = tmp_path / name
+    assert not test_path.exists()
+
+    result = await app.io.AIO.save(test_path, content, **kwargs)
+    assert result == test_path
+    assert test_path.exists()
+
+
+@pytest.mark.asyncio
+@pytest.mark.parametrize(*IO_PARAMS)
+async def test_async_round_trip(tmp_path, name, content, kwargs):
+    test_path = tmp_path / name
+    assert not test_path.exists()
+
+    await app.io.AIO.save(test_path, content, **kwargs)
+    load_results = await app.io.AIO.load(test_path)
+    assert load_results == content