diff --git a/litellm/litellm_core_utils/get_llm_provider_logic.py b/litellm/litellm_core_utils/get_llm_provider_logic.py
index d93cc39888f..d9ad9dd90ff 100644
--- a/litellm/litellm_core_utils/get_llm_provider_logic.py
+++ b/litellm/litellm_core_utils/get_llm_provider_logic.py
@@ -291,7 +291,7 @@ def get_llm_provider(
                         custom_llm_provider = "nscale"
                         dynamic_api_key = litellm.NscaleConfig.get_api_key()
                     elif endpoint == litellm.NebiusConfig.API_BASE_URL.removeprefix("https://"):
-                        custom_llm_provider = "nebius"
+                        custom_llm_provider = "nebius"  # rebind-ok: resolve the provider from its canonical endpoint
                         dynamic_api_key = api_key or get_secret_str("NEBIUS_API_KEY")
                     elif endpoint == "dashscope-intl.aliyuncs.com/compatible-mode/v1":
                         custom_llm_provider = "dashscope"
@@ -608,7 +608,9 @@ def _get_openai_compatible_provider_info(
         api_base = api_base or get_secret("LLAMA_API_BASE") or "https://api.llama.com/compat/v1"
         dynamic_api_key = api_key or get_secret_str("LLAMA_API_KEY")
     elif custom_llm_provider == "nebius":
-        api_base = api_base or get_secret("NEBIUS_API_BASE") or litellm.NebiusConfig.API_BASE_URL
+        api_base = (  # rebind-ok: fill the provider default when the caller did not pass an endpoint
+            api_base or get_secret("NEBIUS_API_BASE") or litellm.NebiusConfig.API_BASE_URL
+        )
         dynamic_api_key = api_key or get_secret_str("NEBIUS_API_KEY")
     elif custom_llm_provider == "ollama":
         api_base = api_base or get_secret("OLLAMA_API_BASE") or "http://localhost:11434"
diff --git a/litellm/main.py b/litellm/main.py
index efa933fe77f..eb0eaf5f8ed 100644
--- a/litellm/main.py
+++ b/litellm/main.py
@@ -6202,7 +6202,7 @@ def embedding(
             or custom_llm_provider == "litellm_proxy"
             or (model in litellm.open_ai_embedding_models and custom_llm_provider is None)
         ):
-            api_base = (
+            api_base = (  # rebind-ok: fill the provider default for the embedding request
                 api_base
                 or litellm.api_base
                 or get_secret_str("OPENAI_BASE_URL")