diff --git a/CHANGES.md b/CHANGES.md
index 899046848..536cb0741 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -5,6 +5,7 @@
 ### titiler.core
 
 * fix `TerrainRGB` algorithm name (author @JinIgarashi, https://github.com/developmentseed/titiler/pull/804)
+* add more tests for `RescalingParams` and `HistogramParams` dependencies
 
 ## 0.18.0 (2024-03-22)
 
diff --git a/src/titiler/application/tests/fixtures/item.json b/src/titiler/application/tests/fixtures/item.json
index f8e447265..8a20a9ed5 100644
--- a/src/titiler/application/tests/fixtures/item.json
+++ b/src/titiler/application/tests/fixtures/item.json
@@ -1,18 +1,10 @@
 {
     "type": "Feature",
-    "stac_version": "1.0.0-beta.1",
-    "stac_extensions": [
-        "eo",
-        "view",
-        "proj"
-    ],
+    "stac_version": "1.0.0",
     "id": "S2A_34SGA_20200318_0_L2A",
-    "bbox": [
-        23.293255090449595,
-        31.505183020453355,
-        24.296453548295318,
-        32.51147809805106
-    ],
+    "properties": {
+        "datetime": "2020-03-18T09:11:33Z"
+    },
     "geometry": {
         "type": "Polygon",
         "coordinates": [
@@ -40,91 +32,31 @@
             ]
         ]
     },
-    "properties": {
-        "datetime": "2020-03-18T09:11:33Z",
-        "platform": "sentinel-2a",
-        "constellation": "sentinel-2",
-        "instruments": [
-            "msi"
-        ],
-        "gsd": 10,
-        "data_coverage": 73.85,
-        "view:off_nadir": 0,
-        "eo:cloud_cover": 89.84,
-        "proj:epsg": 32634,
-        "sentinel:latitude_band": "S",
-        "sentinel:grid_square": "GA",
-        "sentinel:sequence": "0",
-        "sentinel:product_id": "S2A_MSIL2A_20200318T085701_N0214_R007_T34SGA_20200318T115254",
-        "created": "2020-05-12T21:03:26.671Z",
-        "updated": "2020-05-12T21:03:26.671Z"
-    },
-    "collection": "sentinel-s2-l2a-cogs",
+    "links": [
+        {
+            "rel": "self",
+            "href": "https://myurl.com/item.json",
+            "type": "application/json"
+        }
+    ],
     "assets": {
         "B01": {
-            "title": "Band 1 (coastal)",
-            "type": "image/tiff; application=geotiff; profile=cloud-optimized",
             "href": "https://myurl.com/B01.tif",
-            "proj:shape": [
-                1830,
-                1830
-            ],
-            "proj:transform": [
-                60,
-                0,
-                699960,
-                0,
-                -60,
-                3600000,
-                0,
-                0,
-                1
-            ]
+            "type": "image/tiff; application=geotiff; profile=cloud-optimized",
+            "title": "Band 1 (coastal)"
         },
         "B09": {
-            "title": "Band 9",
-            "type": "image/tiff; application=geotiff; profile=cloud-optimized",
             "href": "https://myurl.com/B09.tif",
-            "proj:shape": [
-                1830,
-                1830
-            ],
-            "proj:transform": [
-                60,
-                0,
-                699960,
-                0,
-                -60,
-                3600000,
-                0,
-                0,
-                1
-            ]
+            "type": "image/tiff; application=geotiff; profile=cloud-optimized",
+            "title": "Band 9"
         }
     },
-    "links": [
-        {
-            "rel": "self",
-            "href": "s3://sentinel-cogs/sentinel-s2-l2a-cogs/2020/S2A_34SGA_20200318_0_L2A/S2A_34SGA_20200318_0_L2A.json",
-            "type": "application/json"
-        },
-        {
-            "rel": "parent",
-            "href": "https://myurl.com/v0/collections/sentinel-s2-l2a"
-        },
-        {
-            "rel": "collection",
-            "href": "https://myurl.com/v0/collections/sentinel-s2-l2a"
-        },
-        {
-            "rel": "root",
-            "href": "https://myurl.com/v0/"
-        },
-        {
-            "title": "Source STAC Item",
-            "rel": "derived_from",
-            "href": "https://myurl.com/collections/sentinel-s2-l2a/items/S2A_34SGA_20200318_0_L2A",
-            "type": "application/json"
-        }
-    ]
+    "bbox": [
+        23.293255090449595,
+        31.505183020453355,
+        24.296453548295318,
+        32.51147809805106
+    ],
+    "stac_extensions": [],
+    "collection": "sentinel-s2-l2a-cogs"
 }
diff --git a/src/titiler/core/tests/fixtures/item.json b/src/titiler/core/tests/fixtures/item.json
index f8e447265..8a20a9ed5 100644
--- a/src/titiler/core/tests/fixtures/item.json
+++ b/src/titiler/core/tests/fixtures/item.json
@@ -1,18 +1,10 @@
 {
     "type": "Feature",
-    "stac_version": "1.0.0-beta.1",
-    "stac_extensions": [
-        "eo",
-        "view",
-        "proj"
-    ],
+    "stac_version": "1.0.0",
     "id": "S2A_34SGA_20200318_0_L2A",
-    "bbox": [
-        23.293255090449595,
-        31.505183020453355,
-        24.296453548295318,
-        32.51147809805106
-    ],
+    "properties": {
+        "datetime": "2020-03-18T09:11:33Z"
+    },
     "geometry": {
         "type": "Polygon",
         "coordinates": [
@@ -40,91 +32,31 @@
             ]
         ]
     },
-    "properties": {
-        "datetime": "2020-03-18T09:11:33Z",
-        "platform": "sentinel-2a",
-        "constellation": "sentinel-2",
-        "instruments": [
-            "msi"
-        ],
-        "gsd": 10,
-        "data_coverage": 73.85,
-        "view:off_nadir": 0,
-        "eo:cloud_cover": 89.84,
-        "proj:epsg": 32634,
-        "sentinel:latitude_band": "S",
-        "sentinel:grid_square": "GA",
-        "sentinel:sequence": "0",
-        "sentinel:product_id": "S2A_MSIL2A_20200318T085701_N0214_R007_T34SGA_20200318T115254",
-        "created": "2020-05-12T21:03:26.671Z",
-        "updated": "2020-05-12T21:03:26.671Z"
-    },
-    "collection": "sentinel-s2-l2a-cogs",
+    "links": [
+        {
+            "rel": "self",
+            "href": "https://myurl.com/item.json",
+            "type": "application/json"
+        }
+    ],
     "assets": {
         "B01": {
-            "title": "Band 1 (coastal)",
-            "type": "image/tiff; application=geotiff; profile=cloud-optimized",
             "href": "https://myurl.com/B01.tif",
-            "proj:shape": [
-                1830,
-                1830
-            ],
-            "proj:transform": [
-                60,
-                0,
-                699960,
-                0,
-                -60,
-                3600000,
-                0,
-                0,
-                1
-            ]
+            "type": "image/tiff; application=geotiff; profile=cloud-optimized",
+            "title": "Band 1 (coastal)"
         },
         "B09": {
-            "title": "Band 9",
-            "type": "image/tiff; application=geotiff; profile=cloud-optimized",
             "href": "https://myurl.com/B09.tif",
-            "proj:shape": [
-                1830,
-                1830
-            ],
-            "proj:transform": [
-                60,
-                0,
-                699960,
-                0,
-                -60,
-                3600000,
-                0,
-                0,
-                1
-            ]
+            "type": "image/tiff; application=geotiff; profile=cloud-optimized",
+            "title": "Band 9"
         }
     },
-    "links": [
-        {
-            "rel": "self",
-            "href": "s3://sentinel-cogs/sentinel-s2-l2a-cogs/2020/S2A_34SGA_20200318_0_L2A/S2A_34SGA_20200318_0_L2A.json",
-            "type": "application/json"
-        },
-        {
-            "rel": "parent",
-            "href": "https://myurl.com/v0/collections/sentinel-s2-l2a"
-        },
-        {
-            "rel": "collection",
-            "href": "https://myurl.com/v0/collections/sentinel-s2-l2a"
-        },
-        {
-            "rel": "root",
-            "href": "https://myurl.com/v0/"
-        },
-        {
-            "title": "Source STAC Item",
-            "rel": "derived_from",
-            "href": "https://myurl.com/collections/sentinel-s2-l2a/items/S2A_34SGA_20200318_0_L2A",
-            "type": "application/json"
-        }
-    ]
+    "bbox": [
+        23.293255090449595,
+        31.505183020453355,
+        24.296453548295318,
+        32.51147809805106
+    ],
+    "stac_extensions": [],
+    "collection": "sentinel-s2-l2a-cogs"
 }
diff --git a/src/titiler/core/tests/test_dependencies.py b/src/titiler/core/tests/test_dependencies.py
index 4f1e8214a..9971d0c7e 100644
--- a/src/titiler/core/tests/test_dependencies.py
+++ b/src/titiler/core/tests/test_dependencies.py
@@ -246,6 +246,18 @@ def _assets_bidx(params=Depends(dependencies.AssetsBidxParams)):
     response = client.get("/third?assets=data&assets=image")
     assert response.json()["assets"] == ["data", "image"]
 
+    response = client.get(
+        "/third",
+        params=(
+            ("assets", "data"),
+            ("assets", "image"),
+        ),
+    )
+    assert response.json()["assets"] == ["data", "image"]
+
+    response = client.get("/third", params={"assets": ["data", "image"]})
+    assert response.json()["assets"] == ["data", "image"]
+
     response = client.get("/third")
     assert not response.json()["assets"]
 
@@ -255,12 +267,37 @@ def _assets_bidx(params=Depends(dependencies.AssetsBidxParams)):
     assert response.json()["assets"] == ["data", "image"]
     assert response.json()["asset_indexes"] == {"data": [1, 2, 3], "image": [1]}
 
+    response = client.get(
+        "/third",
+        params=(
+            ("assets", "data"),
+            ("assets", "image"),
+            ("asset_bidx", "data|1,2,3"),
+            ("asset_bidx", "image|1"),
+        ),
+    )
+
+    assert response.json()["assets"] == ["data", "image"]
+    assert response.json()["asset_indexes"] == {"data": [1, 2, 3], "image": [1]}
+
     response = client.get(
         "/third?assets=data&assets=image&asset_expression=data|b1/b2&asset_expression=image|b1*b2"
     )
     assert response.json()["assets"] == ["data", "image"]
     assert response.json()["asset_expression"] == {"data": "b1/b2", "image": "b1*b2"}
 
+    response = client.get(
+        "/third",
+        params=(
+            ("assets", "data"),
+            ("assets", "image"),
+            ("asset_expression", "data|b1/b2"),
+            ("asset_expression", "image|b1*b2"),
+        ),
+    )
+    assert response.json()["assets"] == ["data", "image"]
+    assert response.json()["asset_expression"] == {"data": "b1/b2", "image": "b1*b2"}
+
 
 def test_bands():
     """test bands deps."""
@@ -457,3 +494,103 @@ def _endpoint(algorithm=Depends(PostProcessParams)):
     assert response.json()["azimuth"] == 30
     assert response.json()["buffer"] == 4
     assert response.json()["input_nbands"] == 1
+
+
+def test_rescale_params():
+    """test RescalingParams dependency."""
+    app = FastAPI()
+
+    @app.get("/")
+    def main(rescale=Depends(dependencies.RescalingParams)):
+        """return rescale."""
+        return rescale
+
+    client = TestClient(app)
+
+    response = client.get("/", params={"rescale": "0,1"})
+    assert response.status_code == 200
+    assert response.json() == [[0, 1]]
+
+    response = client.get("/?rescale=0,1")
+    assert response.status_code == 200
+    assert response.json() == [[0, 1]]
+
+    response = client.get("/?rescale=0,1&rescale=2,3")
+    assert response.status_code == 200
+    assert response.json() == [[0, 1], [2, 3]]
+
+    with pytest.raises(AssertionError):
+        client.get("/", params={"rescale": [0, 1]})
+
+    response = client.get("/", params={"rescale": [[0, 1]]})
+    assert response.status_code == 200
+    assert response.json() == [[0, 1]]
+
+    response = client.get(
+        "/",
+        params=(
+            ("rescale", [0, 1]),
+            ("rescale", [0, 1]),
+        ),
+    )
+    assert response.status_code == 200
+    assert response.json() == [[0, 1], [0, 1]]
+
+    response = client.get(
+        "/",
+        params=(
+            ("rescale", "0,1"),
+            ("rescale", "0,1"),
+        ),
+    )
+    assert response.status_code == 200
+    assert response.json() == [[0, 1], [0, 1]]
+
+    response = client.get("/", params={"rescale": [[0, 1], [2, 3]]})
+    assert response.status_code == 200
+    assert response.json() == [[0, 1], [2, 3]]
+
+
+def test_histogram_params():
+    """Test HistogramParams dependency."""
+    app = FastAPI()
+
+    @app.get("/")
+    def main(params=Depends(dependencies.HistogramParams)):
+        """return rescale."""
+        return params
+
+    client = TestClient(app)
+
+    response = client.get(
+        "/",
+        params={"histogram_bins": "8"},
+    )
+    assert response.status_code == 200
+    assert response.json()["bins"] == 8
+
+    response = client.get(
+        "/",
+        params={"histogram_bins": "8,9"},
+    )
+    assert response.status_code == 200
+    assert response.json()["bins"] == [8.0, 9.0]
+
+    response = client.get(
+        "/",
+    )
+    assert response.status_code == 200
+    assert response.json()["bins"] == 10
+
+    response = client.get(
+        "/",
+        params={"histogram_range": "8,9"},
+    )
+    assert response.status_code == 200
+    assert response.json()["range"] == [8.0, 9.0]
+
+    with pytest.raises(AssertionError):
+        client.get(
+            "/",
+            params={"histogram_range": "8"},
+        )
diff --git a/src/titiler/core/titiler/core/dependencies.py b/src/titiler/core/titiler/core/dependencies.py
index fea94b47c..4568b1077 100644
--- a/src/titiler/core/titiler/core/dependencies.py
+++ b/src/titiler/core/titiler/core/dependencies.py
@@ -146,6 +146,23 @@ class AssetsParams(DefaultDependency):
     ] = None
 
 
+def parse_asset_indexes(
+    asset_indexes: Union[Sequence[str], Dict[str, Sequence[int]]],
+) -> Dict[str, Sequence[int]]:
+    """parse asset indexes parameters."""
+    return {
+        idx.split("|")[0]: list(map(int, idx.split("|")[1].split(",")))
+        for idx in asset_indexes
+    }
+
+
+def parse_asset_expression(
+    asset_expression: Union[Sequence[str], Dict[str, str]],
+) -> Dict[str, str]:
+    """parse asset expression parameters."""
+    return {idx.split("|")[0]: idx.split("|")[1] for idx in asset_expression}
+
+
 @dataclass
 class AssetsBidxExprParams(AssetsParams, BidxParams):
     """Assets, Expression and Asset's band Indexes parameters."""
@@ -199,10 +216,7 @@ def __post_init__(self):
             )
 
         if self.asset_indexes:
-            self.asset_indexes: Dict[str, Sequence[int]] = {  # type: ignore
-                idx.split("|")[0]: list(map(int, idx.split("|")[1].split(",")))
-                for idx in self.asset_indexes
-            }
+            self.asset_indexes = parse_asset_indexes(self.asset_indexes)
 
         if self.asset_indexes and self.indexes:
             warnings.warn(
@@ -218,10 +232,7 @@ class AssetsBidxExprParamsOptional(AssetsBidxExprParams):
     def __post_init__(self):
         """Post Init."""
         if self.asset_indexes:
-            self.asset_indexes: Dict[str, Sequence[int]] = {  # type: ignore
-                idx.split("|")[0]: list(map(int, idx.split("|")[1].split(",")))
-                for idx in self.asset_indexes
-            }
+            self.asset_indexes = parse_asset_indexes(self.asset_indexes)
 
         if self.asset_indexes and self.indexes:
             warnings.warn(
@@ -274,15 +285,10 @@ class AssetsBidxParams(AssetsParams, BidxParams):
     def __post_init__(self):
         """Post Init."""
         if self.asset_indexes:
-            self.asset_indexes: Dict[str, Sequence[int]] = {  # type: ignore
-                idx.split("|")[0]: list(map(int, idx.split("|")[1].split(",")))
-                for idx in self.asset_indexes
-            }
+            self.asset_indexes = parse_asset_indexes(self.asset_indexes)
 
         if self.asset_expression:
-            self.asset_expression: Dict[str, str] = {  # type: ignore
-                idx.split("|")[0]: idx.split("|")[1] for idx in self.asset_expression
-            }
+            self.asset_expression = parse_asset_expression(self.asset_expression)
 
         if self.asset_indexes and self.indexes:
             warnings.warn(
@@ -430,7 +436,20 @@ def RescalingParams(
 ) -> Optional[RescaleType]:
     """Min/Max data Rescaling"""
     if rescale:
-        return [tuple(map(float, r.replace(" ", "").split(","))) for r in rescale]
+        rescale_array = []
+        for r in rescale:
+            parsed = tuple(
+                map(
+                    float,
+                    r.replace(" ", "").replace("[", "").replace("]", "").split(","),
+                )
+            )
+            assert (
+                len(parsed) == 2
+            ), f"Invalid rescale values: {rescale}, should be of form ['min,max', 'min,max'] or [[min,max], [min, max]]"
+            rescale_array.append(parsed)
+
+        return rescale_array
 
     return None
 
@@ -528,7 +547,12 @@ def __post_init__(self):
             self.bins = 10
 
         if self.range:
-            self.range = list(map(float, self.range.split(",")))  # type: ignore
+            parsed = list(map(float, self.range.split(",")))
+            assert (
+                len(parsed) == 2
+            ), f"Invalid histogram_range values: {self.range}, should be of form 'min,max'"
+
+            self.range = parsed  # type: ignore
 
 
 def CoordCRSParams(