chore: cleanup api docs

docs/self_hosting/egress.mdx

@@ -3,6 +3,11 @@ sidebar_label: Egress for Subscription Metrics and Operational Metadata
 sidebar_position: 7
 ---
 
+:::important Version Requirement
+This section only applies to customers who are not running in offline mode and assumes you are using a self-hosted LangSmith instance serving version 0.9.0 or later.
+Previous versions of LangSmith did not have this feature.
+:::
+
 # Egress for Subscription Metrics and Operational Metadata
 
 Self-Hosted LangSmith instances store all information locally and will never send sensitive information outside of your network. We currently only track platform usage for billing purposes according to the entitlements in your order. In order to better remotely support our customers, we do require egress to `https://beacon.langchain.com`.

docs/self_hosting/usage.mdx

@@ -14,17 +14,16 @@ This guide assumes you have already deployed a self-hosted LangSmith instance. I
 
 ### Configuring the application you want to use with LangSmith
 
-LangSmith has two APIs: One for interacting with the LangChain Hub/prompts and one for interacting with the backend of the LangSmith application. Each exists at its own URL and in a self-hosted environment are set via the `LANGCHAIN_HUB_API_URL` and `LANGCHAIN_ENDPOINT` environment variables, respectively, and have their own separate SDKs.
+There are two main interfaces you can use to interact with LangSmith, the LangSmith UI and the LangSmith API.
 
 1. Once you have deployed your instance, you can access the LangSmith UI at `http://<host>`.
-2. The backend API will be available at `http://<host>/api`
+2. The LangSmith API will be available at `http://<host>/api/v1`
 
-To use the LangSmith API, you will need to set the following environment variables in your application:
+To use the API of your instance, you will need to set the following environment variables in your application:
 
 ```bash
-LANGCHAIN_ENDPOINT=http://<host>/api
-LANGCHAIN_HUB_API_URL=http://<host>/api # Only set this if using the legacy langchainhub SDK
-LANGCHAIN_API_KEY=foo # Set to a legitimate API key if using OAuth
+LANGSMITH_ENDPOINT=http://<host>/api
+LANGSMITH_API_KEY=foo # Set to a legitimate API key if using OAuth
 ```
 
 You can also configure these variables directly in the LangSmith SDK client:
@@ -34,7 +33,7 @@ import langsmith
 
 langsmith_client = langsmith.Client(
     api_key='<api_key>',
-    api_url='http://<host>/api',
+    api_url='http://<host>/api/v1',
 )
 
 # Deprecated, you can use the Langsmith client for all interactions
@@ -43,7 +42,7 @@ import langchainhub
 # Deprecated, use langsmith.Client instead
 langchainhub.Client(
     api_key='<api_key>',
-    api_url='http://<host>/api'
+    api_url='http://<host>/api/v1'
 )
 ```