From 217b5c404c42163add869108d672926758d257ba Mon Sep 17 00:00:00 2001
From: mateo-berri <277851410+mateo-berri@users.noreply.github.com>
Date: Fri, 4 Sep 2026 17:24:09 -0700
Subject: [PATCH] fix(fireworks_ai): map the Fireworks delete response body to
 DeleteResponseResult

---
 .../fireworks_ai/responses/transformation.py    | 17 ++++++++++++++++-
 ...est_fireworks_ai_responses_transformation.py | 14 ++++++++++++++
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/litellm/llms/fireworks_ai/responses/transformation.py b/litellm/llms/fireworks_ai/responses/transformation.py
index f36030bb50a..7f29e03ff0f 100644
--- a/litellm/llms/fireworks_ai/responses/transformation.py
+++ b/litellm/llms/fireworks_ai/responses/transformation.py
@@ -1,6 +1,9 @@
 from collections.abc import Mapping
 from types import MappingProxyType
-from typing import Final
+from typing import TYPE_CHECKING, Final
+from urllib.parse import unquote
+
+import httpx
 
 from litellm.llms.fireworks_ai.common_utils import (
     resolve_fireworks_api_key,
@@ -10,9 +13,13 @@ from litellm.llms.fireworks_ai.common_utils import (
 from litellm.llms.openai.responses.transformation import OpenAIResponsesAPIConfig
 from litellm.secret_managers.main import get_secret_str
 from litellm.types.llms.openai import ResponseInputParam
+from litellm.types.responses.main import DeleteResponseResult
 from litellm.types.router import GenericLiteLLMParams
 from litellm.types.utils import LlmProviders
 
+if TYPE_CHECKING:
+    from litellm.litellm_core_utils.litellm_logging import Logging as LiteLLMLoggingObj
+
 FIREWORKS_AI_DEFAULT_API_BASE: Final = "https://api.fireworks.ai/inference/v1"
 
 
@@ -64,5 +71,13 @@ class FireworksAIResponsesAPIConfig(OpenAIResponsesAPIConfig):
             headers=headers,
         )
 
+    def transform_delete_response_api_response(
+        self,
+        raw_response: httpx.Response,
+        logging_obj: "LiteLLMLoggingObj",
+    ) -> DeleteResponseResult:
+        deleted_id: Final = unquote(raw_response.request.url.path.rsplit("/", 1)[-1])
+        return DeleteResponseResult(id=deleted_id, object="response", deleted=True)
+
     def supports_native_websocket(self) -> bool:
         return False
diff --git a/tests/test_litellm/llms/fireworks_ai/responses/test_fireworks_ai_responses_transformation.py b/tests/test_litellm/llms/fireworks_ai/responses/test_fireworks_ai_responses_transformation.py
index 207fd518f89..997949bd03a 100644
--- a/tests/test_litellm/llms/fireworks_ai/responses/test_fireworks_ai_responses_transformation.py
+++ b/tests/test_litellm/llms/fireworks_ai/responses/test_fireworks_ai_responses_transformation.py
@@ -3,6 +3,7 @@ from collections.abc import Mapping
 from types import MappingProxyType
 from typing import Final, TypedDict
 from unittest.mock import MagicMock, patch
+from urllib.parse import quote
 
 import httpx
 import pytest
@@ -261,3 +262,16 @@ def test_validate_environment_without_any_key_raises() -> None:
         FireworksAIResponsesAPIConfig().validate_environment(
             headers=NO_HEADERS, model="accounts/fireworks/models/kimi-k3", litellm_params=None
         )
+
+
+def test_delete_responses_maps_fireworks_message_only_body_to_deleted_result() -> None:
+    response_id: Final = "resp_xFaIJR9Nc_OXmqKRqL78UuAGj2Te5GY5BT_knpZiMrYoNOVmu5oc2mQW1HI7hCtEYB4mcx2lEYS0DYP1U5yEQskHunuB4=="
+    request: Final = httpx.Request("DELETE", f"{FIREWORKS_RESPONSES_URL}/{quote(response_id, safe='')}")
+    client: Final = MagicMock()
+    client.delete.return_value = httpx.Response(200, json={"message": "Response deleted successfully"}, request=request)
+    with patch(HTTPX_CLIENT_FACTORY, return_value=client):
+        result: Final = litellm.delete_responses(
+            response_id=response_id, custom_llm_provider="fireworks_ai", api_key="fw-test-key"
+        )
+    assert client.delete.call_args.kwargs["url"] == str(request.url)
+    assert (result.id, result.object, result.deleted) == (response_id, "response", True)