Link to API reference

Author: eyw520

fern/products/ask-fern/pages/features/documents.mdx

@@ -9,6 +9,8 @@ to support developers, such as help desk tickets, internal company FAQs, etc.
 Fern offers an internal CMS (content management system) via the `documents` API that allows you to add, update,
 and delete documents as needed. 
 
+See the [API reference](/learn/ask-fern/api-reference/document/create-document) for more details
+
 ## Usage
 
 Here's an example of a document that can be uploaded via the `documents` API:

fern/products/ask-fern/pages/features/guidance.mdx

@@ -17,6 +17,8 @@ Fern offers an internal CMS (content management system) via the `guidance` API t
 update, and delete guidance as needed. You will need to provide your `domain` to specify which deployment of Ask Fern
 the updates will be applied to.
 
+See the [API reference](/learn/ask-fern/api-reference/guidance/create-guidance) for more details.
+
 ## Usage
 
 Below is an example of a guidance document that can be uploaded via the `guidance` API: