diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5ff0aff..b8a47ce 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -99,7 +99,7 @@ jobs:
           # STACK_ALARM_EMAIL: ${{ secrets.ALARM_EMAIL }}
           STACK_ROLE_ARN: ${{ secrets.lambda_role_arn }}
           STACK_STAGE: staging
-          STACK_ADDITIONAL_ENV: '{"TITILER_CMR_S3_AUTH_STRATEGY":"iam"}'
+          STACK_ADDITIONAL_ENV: '{"TITILER_CMR_S3_AUTH_STRATEGY":"iam", "TITILER_CMR_API_DEBUG": True}'
 
       # Build and deploy to production deployment whenever there a new tag is pushed
       - name: Build & Deploy Production
diff --git a/titiler/cmr/backend.py b/titiler/cmr/backend.py
index 5c77c27..4b595a4 100644
--- a/titiler/cmr/backend.py
+++ b/titiler/cmr/backend.py
@@ -1,6 +1,5 @@
 """TiTiler.cmr custom Mosaic Backend."""
 
-import json
 from typing import Any, Dict, List, Optional, Tuple, Type, TypedDict
 
 import attr
@@ -147,7 +146,7 @@ def assets_for_bbox(
     @cached(  # type: ignore
         TTLCache(maxsize=cache_config.maxsize, ttl=cache_config.ttl),
         key=lambda self, xmin, ymin, xmax, ymax, **kwargs: hashkey(
-            self.input, str(xmin), str(ymin), str(xmax), str(ymax), json.dumps(kwargs)
+            self.input, xmin, ymin, xmax, ymax, **kwargs
         ),
     )
     @retry(
diff --git a/titiler/cmr/dependencies.py b/titiler/cmr/dependencies.py
index 9f5495d..b9c7a14 100644
--- a/titiler/cmr/dependencies.py
+++ b/titiler/cmr/dependencies.py
@@ -106,6 +106,6 @@ def cmr_query(
             start = parse_rfc3339(dt[0]) if dt[0] not in ["..", ""] else None
             end = parse_rfc3339(dt[1]) if dt[1] not in ["..", ""] else None
 
-        query["temporal"] = [start, end]
+        query["temporal"] = (start, end)
 
     return query
diff --git a/titiler/cmr/main.py b/titiler/cmr/main.py
index 3d1d60a..86baca9 100644
--- a/titiler/cmr/main.py
+++ b/titiler/cmr/main.py
@@ -11,7 +11,7 @@
 from titiler.cmr import __version__ as titiler_cmr_version
 from titiler.cmr.factory import Endpoints
 from titiler.cmr.settings import ApiSettings, AuthSettings
-from titiler.core.middleware import CacheControlMiddleware
+from titiler.core.middleware import CacheControlMiddleware, LoggerMiddleware
 
 jinja2_env = jinja2.Environment(
     loader=jinja2.ChoiceLoader(
@@ -69,6 +69,9 @@ async def lifespan(app: FastAPI):
 
 app.add_middleware(CacheControlMiddleware, cachecontrol=settings.cachecontrol)
 
+if settings.debug:
+    app.add_middleware(LoggerMiddleware, headers=True, querystrings=True)
+
 ###############################################################################
 # application endpoints
 endpoints = Endpoints(
diff --git a/titiler/cmr/settings.py b/titiler/cmr/settings.py
index 11a18bf..0fe4868 100644
--- a/titiler/cmr/settings.py
+++ b/titiler/cmr/settings.py
@@ -14,6 +14,7 @@ class ApiSettings(BaseSettings):
     cors_origins: str = "*"
     cachecontrol: str = "public, max-age=3600"
     root_path: str = ""
+    debug: bool = False
 
     model_config = {
         "env_prefix": "TITILER_CMR_API_",