diff --git a/stac_fastapi/api/stac_fastapi/api/app.py b/stac_fastapi/api/stac_fastapi/api/app.py
index 72ddf19a9..b59978e3a 100644
--- a/stac_fastapi/api/stac_fastapi/api/app.py
+++ b/stac_fastapi/api/stac_fastapi/api/app.py
@@ -6,8 +6,8 @@
 from fastapi import APIRouter, FastAPI
 from fastapi.openapi.utils import get_openapi
 from stac_pydantic import Collection, Item, ItemCollection
-from stac_pydantic.api.collections import Collections
 from stac_pydantic.api import ConformanceClasses, LandingPage
+from stac_pydantic.api.collections import Collections
 from stac_pydantic.version import STAC_VERSION
 
 from stac_fastapi.api.errors import DEFAULT_STATUS_CODES, add_exception_handlers
diff --git a/stac_fastapi/api/stac_fastapi/api/routes.py b/stac_fastapi/api/stac_fastapi/api/routes.py
index b01aa3f1a..39a32c373 100644
--- a/stac_fastapi/api/stac_fastapi/api/routes.py
+++ b/stac_fastapi/api/stac_fastapi/api/routes.py
@@ -49,8 +49,7 @@ def _endpoint(
         else:
 
             def _endpoint(
-                request: Request,
-                request_data: request_model,  # type:ignore
+                request: Request, request_data: request_model,  # type:ignore
             ):
                 """Endpoint."""
                 resp = func(request_data, request=request)
@@ -73,8 +72,7 @@ async def _endpoint(
         else:
 
             async def _endpoint(
-                request: Request,
-                request_data: request_model,  # type:ignore
+                request: Request, request_data: request_model,  # type:ignore
             ):
                 """Endpoint."""
                 resp = await func(request_data, request=request)
diff --git a/stac_fastapi/extensions/stac_fastapi/extensions/third_party/tiles.py b/stac_fastapi/extensions/stac_fastapi/extensions/third_party/tiles.py
index 7bb3a3607..6856181a3 100644
--- a/stac_fastapi/extensions/stac_fastapi/extensions/third_party/tiles.py
+++ b/stac_fastapi/extensions/stac_fastapi/extensions/third_party/tiles.py
@@ -7,8 +7,8 @@
 from fastapi import FastAPI
 from pydantic import BaseModel
 from stac_pydantic.collection import SpatialExtent
-from stac_pydantic.shared import MimeTypes
 from stac_pydantic.links import Link, Relations
+from stac_pydantic.shared import MimeTypes
 from starlette.requests import Request
 from starlette.responses import HTMLResponse, RedirectResponse
 
@@ -45,8 +45,7 @@ class TileLinks:
     def __attrs_post_init__(self):
         """Post init handler."""
         self.item_uri = urljoin(
-            self.base_url,
-            f"collections/{self.collection_id}/items/{self.item_id}",
+            self.base_url, f"collections/{self.collection_id}/items/{self.item_id}",
         )
 
     def tiles(self) -> OGCTileLink:
@@ -66,8 +65,7 @@ def viewer(self) -> OGCTileLink:
         """Create viewer link."""
         return OGCTileLink(
             href=urljoin(
-                self.base_url,
-                f"{self.route_prefix}/viewer?url={self.item_uri}",
+                self.base_url, f"{self.route_prefix}/viewer?url={self.item_uri}",
             ),
             rel=Relations.alternate,
             type=MimeTypes.html,
@@ -78,8 +76,7 @@ def tilejson(self) -> OGCTileLink:
         """Create tilejson link."""
         return OGCTileLink(
             href=urljoin(
-                self.base_url,
-                f"{self.route_prefix}/tilejson.json?url={self.item_uri}",
+                self.base_url, f"{self.route_prefix}/tilejson.json?url={self.item_uri}",
             ),
             rel=Relations.alternate,
             type=MimeTypes.json,
diff --git a/stac_fastapi/pgstac/stac_fastapi/pgstac/core.py b/stac_fastapi/pgstac/stac_fastapi/pgstac/core.py
index 7f386c88a..e2a8d9dd5 100644
--- a/stac_fastapi/pgstac/stac_fastapi/pgstac/core.py
+++ b/stac_fastapi/pgstac/stac_fastapi/pgstac/core.py
@@ -10,8 +10,9 @@
 from fastapi.responses import ORJSONResponse
 from stac_pydantic import Collection, Item, ItemCollection
 from stac_pydantic.api import ConformanceClasses, LandingPage
-from stac_pydantic.shared import MimeTypes
+from stac_pydantic.api.collections import Collections
 from stac_pydantic.links import Link, Relations
+from stac_pydantic.shared import MimeTypes
 
 from stac_fastapi.pgstac.models.links import CollectionLinks, ItemLinks, PagingLinks
 from stac_fastapi.pgstac.types.search import PgstacSearch
@@ -39,11 +40,7 @@ async def landing_page(self, **kwargs) -> ORJSONResponse:
             title="Arturo STAC API",
             description="Arturo raster datastore",
             links=[
-                Link(
-                    rel=Relations.self,
-                    type=MimeTypes.json,
-                    href=str(base_url),
-                ),
+                Link(rel=Relations.self, type=MimeTypes.json, href=str(base_url),),
                 Link(
                     rel=Relations.docs,
                     type=MimeTypes.html,
@@ -112,10 +109,23 @@ async def _all_collections_func(self, **kwargs) -> List[Collection]:
 
     async def all_collections(self, **kwargs) -> ORJSONResponse:
         """Get all collections."""
+        request = kwargs["request"]
+        base_url = str(request.base_url)
+        url = str(request.url)
         collections = await self._all_collections_func(**kwargs)
-        if collections is None or len(collections) < 1:
-            return ORJSONResponse([])
-        return ORJSONResponse([c.dict(exclude_none=True) for c in collections])
+        links = [
+            Link(rel=Relations.self, type=MimeTypes.json, href=url),
+            Link(rel=Relations.parent, type=MimeTypes.json, href=base_url),
+            Link(rel=Relations.root, type=MimeTypes.json, href=base_url),
+        ]
+        if collections is None:
+            return ORJSONResponse(Collections(collections=[], links=links))
+        return ORJSONResponse(
+            Collections(
+                collections=[c.dict(exclude_none=True) for c in collections],
+                links=links,
+            )
+        )
 
     async def get_collection(self, id: str, **kwargs) -> ORJSONResponse:
         """Get collection by id.
@@ -195,15 +205,11 @@ async def _search_base(
                 include = search_request.fields.include
                 if len(include) == 0:
                     include = None
-                feature = feature.dict(
-                    exclude_none=True,
-                )
+                feature = feature.dict(exclude_none=True,)
             cleaned_features.append(feature)
             collection.features = cleaned_features
         collection.links = await PagingLinks(
-            request=request,
-            next=next,
-            prev=prev,
+            request=request, next=next, prev=prev,
         ).get_links()
         return collection
 
diff --git a/stac_fastapi/pgstac/stac_fastapi/pgstac/db.py b/stac_fastapi/pgstac/stac_fastapi/pgstac/db.py
index 63d7f915a..1c6bccd54 100644
--- a/stac_fastapi/pgstac/stac_fastapi/pgstac/db.py
+++ b/stac_fastapi/pgstac/stac_fastapi/pgstac/db.py
@@ -19,16 +19,10 @@
 async def con_init(conn):
     """Use orjson for json returns."""
     await conn.set_type_codec(
-        "json",
-        encoder=orjson.dumps,
-        decoder=orjson.loads,
-        schema="pg_catalog",
+        "json", encoder=orjson.dumps, decoder=orjson.loads, schema="pg_catalog",
     )
     await conn.set_type_codec(
-        "jsonb",
-        encoder=orjson.dumps,
-        decoder=orjson.loads,
-        schema="pg_catalog",
+        "jsonb", encoder=orjson.dumps, decoder=orjson.loads, schema="pg_catalog",
     )
 
 
diff --git a/stac_fastapi/pgstac/stac_fastapi/pgstac/models/links.py b/stac_fastapi/pgstac/stac_fastapi/pgstac/models/links.py
index 431d4af2f..fd8a120d4 100644
--- a/stac_fastapi/pgstac/stac_fastapi/pgstac/models/links.py
+++ b/stac_fastapi/pgstac/stac_fastapi/pgstac/models/links.py
@@ -5,8 +5,8 @@
 
 import attr
 from stac_pydantic.api.extensions.paging import PaginationLink
-from stac_pydantic.shared import MimeTypes
 from stac_pydantic.links import Link, Relations
+from stac_pydantic.shared import MimeTypes
 from starlette.requests import Request
 
 from stac_fastapi.extensions.third_party.tiles import OGCTileLink
@@ -113,10 +113,7 @@ def link_next(self) -> PaginationLink:
             if method == "GET":
                 href = merge_params(self.url, {"token": f"next:{self.next}"})
                 link = PaginationLink(
-                    rel=Relations.next,
-                    type=MimeTypes.json,
-                    method=method,
-                    href=href,
+                    rel=Relations.next, type=MimeTypes.json, method=method, href=href,
                 )
                 return link
             if method == "POST":
@@ -179,11 +176,7 @@ def link_self(self) -> Link:
 
     def link_parent(self) -> Link:
         """Create the `parent` link."""
-        return Link(
-            rel=Relations.parent,
-            type=MimeTypes.json,
-            href=self.base_url,
-        )
+        return Link(rel=Relations.parent, type=MimeTypes.json, href=self.base_url,)
 
     def link_items(self) -> Link:
         """Create the `item` link."""
@@ -241,8 +234,7 @@ class TileLinks:
     def __post_init__(self):
         """Post init handler."""
         self.item_uri = urljoin(
-            self.base_url,
-            f"/collections/{self.collection_id}/items/{self.item_id}",
+            self.base_url, f"/collections/{self.collection_id}/items/{self.item_id}",
         )
 
     def link_tiles(self) -> OGCTileLink:
@@ -280,8 +272,7 @@ def link_wmts(self) -> OGCTileLink:
         """Create wmts capabilities link."""
         return OGCTileLink(
             href=urljoin(
-                self.base_url,
-                f"/titiler/WMTSCapabilities.xml?url={self.item_uri}",
+                self.base_url, f"/titiler/WMTSCapabilities.xml?url={self.item_uri}",
             ),
             rel=Relations.alternate,
             type=MimeTypes.xml,
diff --git a/stac_fastapi/pgstac/stac_fastapi/pgstac/models/schemas.py b/stac_fastapi/pgstac/stac_fastapi/pgstac/models/schemas.py
index ebbadaa81..4b3e00642 100644
--- a/stac_fastapi/pgstac/stac_fastapi/pgstac/models/schemas.py
+++ b/stac_fastapi/pgstac/stac_fastapi/pgstac/models/schemas.py
@@ -7,8 +7,8 @@
 from pydantic import BaseModel
 from stac_pydantic import Collection as CollectionBase
 from stac_pydantic import Item as ItemBase
-from stac_pydantic.shared import DATETIME_RFC339
 from stac_pydantic.links import Link
+from stac_pydantic.shared import DATETIME_RFC339
 
 # Be careful: https://github.com/samuelcolvin/pydantic/issues/1423#issuecomment-642797287
 NumType = Union[float, int]
diff --git a/stac_fastapi/pgstac/tests/clients/test_postgres.py b/stac_fastapi/pgstac/tests/clients/test_postgres.py
index 009872585..3015bcfb4 100644
--- a/stac_fastapi/pgstac/tests/clients/test_postgres.py
+++ b/stac_fastapi/pgstac/tests/clients/test_postgres.py
@@ -11,10 +11,7 @@
 async def test_create_collection(app_client, load_test_data: Callable):
     in_json = load_test_data("test_collection.json")
     in_coll = Collection.parse_obj(in_json)
-    resp = await app_client.post(
-        "/collections",
-        json=in_json,
-    )
+    resp = await app_client.post("/collections", json=in_json,)
     assert resp.status_code == 200
     post_coll = Collection.parse_obj(resp.json())
     assert in_coll.dict(exclude={"links"}) == post_coll.dict(exclude={"links"})
@@ -57,10 +54,7 @@ async def test_create_item(app_client, load_test_data: Callable, load_test_colle
 
     in_json = load_test_data("test_item.json")
     in_item = Item.parse_obj(in_json)
-    resp = await app_client.post(
-        "/collections/{coll.id}/items",
-        json=in_json,
-    )
+    resp = await app_client.post("/collections/{coll.id}/items", json=in_json,)
     assert resp.status_code == 200
 
     post_item = Item.parse_obj(resp.json())
@@ -111,15 +105,10 @@ async def test_get_collection_items(app_client, load_test_collection, load_test_
 
     for _ in range(4):
         item.id = str(uuid.uuid4())
-        resp = await app_client.post(
-            f"/collections/{coll.id}/items",
-            json=item.dict(),
-        )
+        resp = await app_client.post(f"/collections/{coll.id}/items", json=item.dict(),)
         assert resp.status_code == 200
 
-    resp = await app_client.get(
-        f"/collections/{coll.id}/items",
-    )
+    resp = await app_client.get(f"/collections/{coll.id}/items",)
     assert resp.status_code == 200
     fc = resp.json()
     assert "features" in fc
diff --git a/stac_fastapi/pgstac/tests/conftest.py b/stac_fastapi/pgstac/tests/conftest.py
index 0a899a33f..f8d87258d 100644
--- a/stac_fastapi/pgstac/tests/conftest.py
+++ b/stac_fastapi/pgstac/tests/conftest.py
@@ -127,10 +127,7 @@ def load_file(filename: str) -> Dict:
 @pytest.fixture
 async def load_test_collection(app_client, load_test_data):
     data = load_test_data("test_collection.json")
-    resp = await app_client.post(
-        "/collections",
-        json=data,
-    )
+    resp = await app_client.post("/collections", json=data,)
     assert resp.status_code == 200
     return Collection.parse_obj(resp.json())
 
@@ -138,9 +135,6 @@ async def load_test_collection(app_client, load_test_data):
 @pytest.fixture
 async def load_test_item(app_client, load_test_data, load_test_collection):
     data = load_test_data("test_item.json")
-    resp = await app_client.post(
-        "/collections/{coll.id}/items",
-        json=data,
-    )
+    resp = await app_client.post("/collections/{coll.id}/items", json=data,)
     assert resp.status_code == 200
     return Item.parse_obj(resp.json())
diff --git a/stac_fastapi/pgstac/tests/resources/test_collection.py b/stac_fastapi/pgstac/tests/resources/test_collection.py
index 66c594d15..ffd1f87e8 100644
--- a/stac_fastapi/pgstac/tests/resources/test_collection.py
+++ b/stac_fastapi/pgstac/tests/resources/test_collection.py
@@ -8,10 +8,7 @@
 async def test_create_collection(app_client, load_test_data: Callable):
     in_json = load_test_data("test_collection.json")
     in_coll = Collection.parse_obj(in_json)
-    resp = await app_client.post(
-        "/collections",
-        json=in_json,
-    )
+    resp = await app_client.post("/collections", json=in_json,)
     assert resp.status_code == 200
     post_coll = Collection.parse_obj(resp.json())
     assert in_coll.dict(exclude={"links"}) == post_coll.dict(exclude={"links"})
@@ -54,23 +51,15 @@ async def test_delete_collection(
 async def test_create_collection_conflict(app_client, load_test_data: Callable):
     in_json = load_test_data("test_collection.json")
     Collection.parse_obj(in_json)
-    resp = await app_client.post(
-        "/collections",
-        json=in_json,
-    )
+    resp = await app_client.post("/collections", json=in_json,)
     assert resp.status_code == 200
     Collection.parse_obj(resp.json())
-    resp = await app_client.post(
-        "/collections",
-        json=in_json,
-    )
+    resp = await app_client.post("/collections", json=in_json,)
     assert resp.status_code == 409
 
 
 @pytest.mark.asyncio
-async def test_delete_missing_collection(
-    app_client,
-):
+async def test_delete_missing_collection(app_client,):
     resp = await app_client.delete("/collections")
     assert resp.status_code == 405
 
@@ -85,8 +74,6 @@ async def test_update_new_collection(app_client, load_test_collection):
 
 
 @pytest.mark.asyncio
-async def test_nocollections(
-    app_client,
-):
+async def test_nocollections(app_client,):
     resp = await app_client.get("/collections")
     assert resp.status_code == 200
diff --git a/stac_fastapi/pgstac/tests/resources/test_item.py b/stac_fastapi/pgstac/tests/resources/test_item.py
index e2bf7c755..bc978e16c 100644
--- a/stac_fastapi/pgstac/tests/resources/test_item.py
+++ b/stac_fastapi/pgstac/tests/resources/test_item.py
@@ -14,10 +14,7 @@
 async def test_create_collection(app_client, load_test_data: Callable):
     in_json = load_test_data("test_collection.json")
     in_coll = Collection.parse_obj(in_json)
-    resp = await app_client.post(
-        "/collections",
-        json=in_json,
-    )
+    resp = await app_client.post("/collections", json=in_json,)
     assert resp.status_code == 200
     post_coll = Collection.parse_obj(resp.json())
     assert in_coll.dict(exclude={"links"}) == post_coll.dict(exclude={"links"})
@@ -62,10 +59,7 @@ async def test_create_item(app_client, load_test_data: Callable, load_test_colle
 
     in_json = load_test_data("test_item.json")
     in_item = Item.parse_obj(in_json)
-    resp = await app_client.post(
-        "/collections/{coll.id}/items",
-        json=in_json,
-    )
+    resp = await app_client.post("/collections/{coll.id}/items", json=in_json,)
     assert resp.status_code == 200
 
     post_item = Item.parse_obj(resp.json())
@@ -120,15 +114,10 @@ async def test_get_collection_items(app_client, load_test_collection, load_test_
 
     for _ in range(4):
         item.id = str(uuid.uuid4())
-        resp = await app_client.post(
-            f"/collections/{coll.id}/items",
-            json=item.dict(),
-        )
+        resp = await app_client.post(f"/collections/{coll.id}/items", json=item.dict(),)
         assert resp.status_code == 200
 
-    resp = await app_client.get(
-        f"/collections/{coll.id}/items",
-    )
+    resp = await app_client.get(f"/collections/{coll.id}/items",)
     assert resp.status_code == 200
     fc = resp.json()
     assert "features" in fc
@@ -143,16 +132,10 @@ async def test_create_item_conflict(
 
     in_json = load_test_data("test_item.json")
     Item.parse_obj(in_json)
-    resp = await app_client.post(
-        "/collections/{coll.id}/items",
-        json=in_json,
-    )
+    resp = await app_client.post("/collections/{coll.id}/items", json=in_json,)
     assert resp.status_code == 200
 
-    resp = await app_client.post(
-        "/collections/{coll.id}/items",
-        json=in_json,
-    )
+    resp = await app_client.post("/collections/{coll.id}/items", json=in_json,)
     assert resp.status_code == 409
 
 
diff --git a/stac_fastapi/sqlalchemy/alembic/env.py b/stac_fastapi/sqlalchemy/alembic/env.py
index 20af555b0..3e360c14b 100644
--- a/stac_fastapi/sqlalchemy/alembic/env.py
+++ b/stac_fastapi/sqlalchemy/alembic/env.py
@@ -72,9 +72,7 @@ def run_migrations_online():
     configuration = config.get_section(config.config_ini_section)
     configuration["sqlalchemy.url"] = get_connection_url()
     connectable = engine_from_config(
-        configuration,
-        prefix="sqlalchemy.",
-        poolclass=pool.NullPool,
+        configuration, prefix="sqlalchemy.", poolclass=pool.NullPool,
     )
 
     with connectable.connect() as connection:
diff --git a/stac_fastapi/sqlalchemy/stac_fastapi/sqlalchemy/models/schemas.py b/stac_fastapi/sqlalchemy/stac_fastapi/sqlalchemy/models/schemas.py
index 6e9a50c3c..daecdcab8 100644
--- a/stac_fastapi/sqlalchemy/stac_fastapi/sqlalchemy/models/schemas.py
+++ b/stac_fastapi/sqlalchemy/stac_fastapi/sqlalchemy/models/schemas.py
@@ -7,8 +7,8 @@
 from pydantic import BaseModel
 from stac_pydantic import Collection as CollectionBase
 from stac_pydantic import Item as ItemBase
-from stac_pydantic.shared import DATETIME_RFC339
 from stac_pydantic.links import Link
+from stac_pydantic.shared import DATETIME_RFC339
 
 from stac_fastapi.sqlalchemy.models.decompose import CollectionGetter, ItemGetter
 
diff --git a/stac_fastapi/types/stac_fastapi/types/core.py b/stac_fastapi/types/stac_fastapi/types/core.py
index 87091b754..70650cce7 100644
--- a/stac_fastapi/types/stac_fastapi/types/core.py
+++ b/stac_fastapi/types/stac_fastapi/types/core.py
@@ -7,8 +7,8 @@
 import attr
 from stac_pydantic import Collection, Item, ItemCollection
 from stac_pydantic.api import ConformanceClasses, LandingPage, Search
-from stac_pydantic.shared import MimeTypes
 from stac_pydantic.links import Link, Relations
+from stac_pydantic.shared import MimeTypes
 from stac_pydantic.version import STAC_VERSION
 
 from stac_fastapi.types.extension import ApiExtension
diff --git a/stac_fastapi/types/stac_fastapi/types/links.py b/stac_fastapi/types/stac_fastapi/types/links.py
index 9ee26a119..05dae706e 100644
--- a/stac_fastapi/types/stac_fastapi/types/links.py
+++ b/stac_fastapi/types/stac_fastapi/types/links.py
@@ -4,8 +4,8 @@
 from urllib.parse import urljoin
 
 import attr
-from stac_pydantic.shared import MimeTypes
 from stac_pydantic.links import Link, Relations
+from stac_pydantic.shared import MimeTypes
 
 # These can be inferred from the item/collection so they aren't included in the database
 # Instead they are dynamically generated when querying the database using the classes defined below