diff --git a/newsfragments/3128.change.rst b/newsfragments/3128.change.rst
new file mode 100644
index 00000000..2a0cc5a5
--- /dev/null
+++ b/newsfragments/3128.change.rst
@@ -0,0 +1 @@
+Map the ``ProjectHasNoApiAccess`` result code, as spelled in Vuforia's result codes table, to ``ProjectHasNoAPIAccessError``. The previously mapped ``ProjectHasNoAPIAccess`` casing, which Vuforia does not document, is no longer mapped.
diff --git a/pyproject.toml b/pyproject.toml
index efcf3a13..7c7d50d6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -86,7 +86,7 @@ optional-dependencies.dev = [
     "types-requests==2.33.0.20260712",
     "vale==3.13.0.0",
     "vulture==2.16",
-    "vws-python-mock==2026.8.4.2",
+    "vws-python-mock==2026.8.14",
     "vws-test-fixtures==2023.3.5",
     "yamlfix==1.19.1",
     "zizmor==1.29.0",
diff --git a/spelling_private_dict.txt b/spelling_private_dict.txt
index 45ed889e..608572ce 100644
--- a/spelling_private_dict.txt
+++ b/spelling_private_dict.txt
@@ -13,7 +13,7 @@ MaxNumResultsOutOfRange
 MetadataTooLarge
 OopsAnErrorOccurredPossiblyBadName
 OopsAnErrorOccurredPossiblyBadNameError
-ProjectHasNoAPIAccess
+ProjectHasNoApiAccess
 ProjectInactive
 ProjectSuspended
 QuotaExceeded
diff --git a/src/vws/exceptions/vws_exceptions.py b/src/vws/exceptions/vws_exceptions.py
index a93dd600..216677f1 100644
--- a/src/vws/exceptions/vws_exceptions.py
+++ b/src/vws/exceptions/vws_exceptions.py
@@ -109,7 +109,7 @@ class ProjectSuspendedError(VWSError):
 @beartype
 class ProjectHasNoAPIAccessError(VWSError):
     """Exception raised when Vuforia returns a response with a result code
-    'ProjectHasNoAPIAccess'.
+    'ProjectHasNoApiAccess'.
     """
 
 
@@ -241,7 +241,7 @@ class AuthorizationFailedError(VWSError):
         "InvalidTargetType": InvalidTargetTypeError,
         "LicenseCheckFailed": LicenseCheckFailedError,
         "MetadataTooLarge": MetadataTooLargeError,
-        "ProjectHasNoAPIAccess": ProjectHasNoAPIAccessError,
+        "ProjectHasNoApiAccess": ProjectHasNoAPIAccessError,
         "ProjectInactive": ProjectInactiveError,
         "ProjectSuspended": ProjectSuspendedError,
         "QuotaExceeded": QuotaExceededError,
diff --git a/tests/test_vws_exceptions.py b/tests/test_vws_exceptions.py
index 73ab9f84..5afb6639 100644
--- a/tests/test_vws_exceptions.py
+++ b/tests/test_vws_exceptions.py
@@ -583,6 +583,29 @@ def test_vwserror_from_result_code() -> None:
     assert exception.response is response
 
 
+def test_project_has_no_api_access_casing() -> None:
+    """The ``ProjectHasNoApiAccess`` result code, as spelled in Vuforia's
+    result codes table, maps to ``ProjectHasNoAPIAccessError``.
+    """
+    result_code = "ProjectHasNoApiAccess"
+    response = Response(
+        text=f'{{"result_code":"{result_code}"}}',
+        url="https://example.com/targets",
+        status_code=HTTPStatus.FORBIDDEN,
+        headers={},
+        request_body=None,
+        tell_position=0,
+        content=b"",
+    )
+
+    exception = VWSError.from_result_code(
+        result_code=result_code,
+        response=response,
+    )
+
+    assert isinstance(exception, ProjectHasNoAPIAccessError)
+
+
 @pytest.mark.parametrize(
     argnames=("exception_type", "url"),
     argvalues=[