diff --git a/api/environments/sdk/services.py b/api/environments/sdk/services.py
index c7341e93e187..b80f1ee1ff76 100644
--- a/api/environments/sdk/services.py
+++ b/api/environments/sdk/services.py
@@ -95,7 +95,7 @@ def get_transient_identifier(sdk_trait_data: list[SDKTraitData]) -> str:
     if sdk_trait_data:
         return hashlib.sha256(
             "".join(
-                f"{trait['trait_key']}{trait_value['value']}"
+                f"{trait['trait_key']}{trait_value['value']}"  # type: ignore[index]
                 for trait in sorted(sdk_trait_data, key=itemgetter("trait_key"))
                 if (trait_value := trait["trait_value"]) is not None
             ).encode(),
diff --git a/api/environments/sdk/types.py b/api/environments/sdk/types.py
index 0cb29a3df9c1..e74606766497 100644
--- a/api/environments/sdk/types.py
+++ b/api/environments/sdk/types.py
@@ -5,10 +5,17 @@
 
 class SDKTraitValueData(typing.TypedDict):
     type: str
-    value: str
+    value: str | int | bool | float
+
+
+# Trait value can be either:
+# 1. A structured SDKTraitValueData (from serializer validation via TraitValueField)
+# 2. A raw primitive value (str, int, bool, float) when called directly
+# 3. None (to delete the trait)
+TraitValue: typing.TypeAlias = SDKTraitValueData | str | int | bool | float | None
 
 
 class SDKTraitData(typing.TypedDict):
     trait_key: str
-    trait_value: SDKTraitValueData | None
+    trait_value: TraitValue
     transient: NotRequired[bool]
diff --git a/api/integrations/launch_darkly/services.py b/api/integrations/launch_darkly/services.py
index 84de934cdd2d..ab8db75bcd97 100644
--- a/api/integrations/launch_darkly/services.py
+++ b/api/integrations/launch_darkly/services.py
@@ -479,7 +479,7 @@ def _import_targets(
                     [
                         {
                             "trait_key": "key",
-                            "trait_value": identifier,  # type: ignore[typeddict-item]
+                            "trait_value": identifier,
                         }
                     ]
                 )
@@ -1029,7 +1029,7 @@ def _create_segments_from_ld(
                 [
                     {
                         "trait_key": "key",
-                        "trait_value": identifier,  # type: ignore[typeddict-item]
+                        "trait_value": identifier,
                     }
                 ]
             )
diff --git a/api/tests/unit/environments/identities/helpers.py b/api/tests/unit/environments/identities/helpers.py
index 6d9d1cd0625f..23506fdd98aa 100644
--- a/api/tests/unit/environments/identities/helpers.py
+++ b/api/tests/unit/environments/identities/helpers.py
@@ -2,13 +2,14 @@
 
 from environments.identities.models import Identity
 from environments.identities.traits.models import Trait
+from environments.sdk.types import SDKTraitData, TraitValue
 
 
-def generate_trait_data_item(  # type: ignore[no-untyped-def]
+def generate_trait_data_item(
     trait_key: str = "trait_key",
-    trait_value: typing.Any = "trait_value",
+    trait_value: TraitValue = "trait_value",
     transient: bool = False,
-):
+) -> SDKTraitData:
     return {
         "trait_key": trait_key,
         "trait_value": trait_value,