diff --git a/docs-website/reference/haystack-api/audio_api.md b/docs-website/reference/haystack-api/audio_api.md
index c761b3edf5..ccf3361a9c 100644
--- a/docs-website/reference/haystack-api/audio_api.md
+++ b/docs-website/reference/haystack-api/audio_api.md
@@ -111,8 +111,7 @@ Transcribes a list of audio files into a list of documents.
 
 ```python
 transcribe(
-    sources: list[str | Path | ByteStream],
-    **kwargs: list[str | Path | ByteStream]
+    sources: list[str | Path | ByteStream], **kwargs: Any
 ) -> list[Document]
 ```
 
diff --git a/docs-website/reference/haystack-api/builders_api.md b/docs-website/reference/haystack-api/builders_api.md
index a5db1449d7..8589ac835d 100644
--- a/docs-website/reference/haystack-api/builders_api.md
+++ b/docs-website/reference/haystack-api/builders_api.md
@@ -282,7 +282,7 @@ Constructs a ChatPromptBuilder component.
 run(
     template: list[ChatMessage] | str | None = None,
     template_variables: dict[str, Any] | None = None,
-    **kwargs: dict[str, Any] | None
+    **kwargs: Any
 ) -> dict[str, list[ChatMessage]]
 ```
 
@@ -298,7 +298,7 @@ To overwrite pipeline kwargs, you can set the `template_variables` parameter.
   template.
   If `None`, the default template provided at initialization is used.
 - **template_variables** (<code>dict\[str, Any\] | None</code>) – An optional dictionary of template variables to overwrite the pipeline variables.
-- **kwargs** – Pipeline variables used for rendering the prompt.
+- **kwargs** (<code>Any</code>) – Pipeline variables used for rendering the prompt.
 
 **Returns:**
 
diff --git a/docs-website/reference/haystack-api/connectors_api.md b/docs-website/reference/haystack-api/connectors_api.md
index d56fbbae9d..1353949654 100644
--- a/docs-website/reference/haystack-api/connectors_api.md
+++ b/docs-website/reference/haystack-api/connectors_api.md
@@ -100,7 +100,7 @@ Invokes a REST endpoint specified in the OpenAPI specification.
 
 ```python
 patch_request(
-    self,
+    self: Operation,
     base_url: str,
     *,
     data: Any | None = None,
diff --git a/docs-website/reference/haystack-api/evaluators_api.md b/docs-website/reference/haystack-api/evaluators_api.md
index 541148142d..b7f42f77d7 100644
--- a/docs-website/reference/haystack-api/evaluators_api.md
+++ b/docs-website/reference/haystack-api/evaluators_api.md
@@ -166,7 +166,7 @@ If no LLM is specified using the `chat_generator` parameter, the component will
 #### run
 
 ```python
-run(**inputs) -> dict[str, Any]
+run(**inputs: Any) -> dict[str, Any]
 ```
 
 Run the LLM evaluator.
@@ -685,7 +685,7 @@ If no LLM is specified using the `chat_generator` parameter, the component will
 #### run
 
 ```python
-run(**inputs) -> dict[str, Any]
+run(**inputs: Any) -> dict[str, Any]
 ```
 
 Run the LLM evaluator.
@@ -837,14 +837,14 @@ Validate the init parameters.
 #### run
 
 ```python
-run(**inputs) -> dict[str, Any]
+run(**inputs: Any) -> dict[str, Any]
 ```
 
 Run the LLM evaluator.
 
 **Parameters:**
 
-- **inputs** – The input values to evaluate. The keys are the input names and the values are lists of input values.
+- **inputs** (<code>Any</code>) – The input values to evaluate. The keys are the input names and the values are lists of input values.
 
 **Returns:**
 
diff --git a/docs-website/reference/haystack-api/generators_api.md b/docs-website/reference/haystack-api/generators_api.md
index 4564ee2cb4..bfc2fc3a92 100644
--- a/docs-website/reference/haystack-api/generators_api.md
+++ b/docs-website/reference/haystack-api/generators_api.md
@@ -220,7 +220,7 @@ __init__(
         AzureADTokenProvider | AsyncAzureADTokenProvider | None
     ) = None,
     http_client_kwargs: dict[str, Any] | None = None
-)
+) -> None
 ```
 
 Initialize the Azure OpenAI Chat Generator component.
diff --git a/docs-website/reference/haystack-api/joiners_api.md b/docs-website/reference/haystack-api/joiners_api.md
index 04f624cde0..ac57500b13 100644
--- a/docs-website/reference/haystack-api/joiners_api.md
+++ b/docs-website/reference/haystack-api/joiners_api.md
@@ -255,14 +255,14 @@ Deserializes a `BranchJoiner` instance from a dictionary.
 #### run
 
 ```python
-run(**kwargs) -> dict[str, Any]
+run(**kwargs: Any) -> dict[str, Any]
 ```
 
 Executes the `BranchJoiner`, selecting the first available input value and passing it downstream.
 
 **Parameters:**
 
-- \*\***kwargs** – The input data. Must be of the type declared by `type_` during initialization.
+- \*\***kwargs** (<code>Any</code>) – The input data. Must be of the type declared by `type_` during initialization.
 
 **Returns:**