diff --git a/docs/docs/cloud/reference/env_var.md b/docs/docs/cloud/reference/env_var.md
index 8f0c4c641..009b3a64f 100644
--- a/docs/docs/cloud/reference/env_var.md
+++ b/docs/docs/cloud/reference/env_var.md
@@ -14,6 +14,14 @@ Type of authentication for the LangGraph Cloud Server deployment. Valid values:
 
 For deployments to LangGraph Cloud, this environment variable is set automatically. For local development or deployments where authentication is handled externally (e.g. self-hosted), set this environment variable to `noop`.
 
+## `LANGSMITH_RUNS_ENDPOINTS`
+
+For [Bring Your Own Cloud (BYOC)](../../concepts/bring_your_own_cloud.md) deployments with [self-hosted LangSmith](https://docs.smith.langchain.com/self_hosting) only.
+
+Set this environment variable to have a BYOC deployment send traces to a self-hosted LangSmith instance. The value of `LANGSMITH_RUNS_ENDPOINTS` is a JSON string: `{"<SELF_HOSTED_LANGSMITH_HOSTNAME>":"<LANGSMITH_API_KEY>"}`.
+
+`SELF_HOSTED_LANGSMITH_HOSTNAME` is the hostname of the self-hosted LangSmith instance. It must be accessible to the BYOC deployment. `LANGSMITH_API_KEY` is a LangSmith API generated from the self-hosted LangSmith instance.
+
 ## `N_JOBS_PER_WORKER`
 
 Number of jobs per worker for the LangGraph Cloud task queue. Defaults to `10`.
diff --git a/docs/docs/concepts/bring_your_own_cloud.md b/docs/docs/concepts/bring_your_own_cloud.md
index ce7684692..76cfd1833 100644
--- a/docs/docs/concepts/bring_your_own_cloud.md
+++ b/docs/docs/concepts/bring_your_own_cloud.md
@@ -51,5 +51,5 @@ LangChain has no direct access to the resources created in your cloud account, a
 
 Notes for customers using [self-hosted LangSmith](https://docs.smith.langchain.com/self_hosting):
 
-- Creation of new LangGraph Cloud projects and revisions currently needs to be done on smith.langchain.com.
-- You can however set up the project to trace to your self-hosted LangSmith instance if desired
+- Creation of new LangGraph Cloud projects and revisions currently needs to be done on `smith.langchain.com`.
+- However, you can set up the project to trace to your self-hosted LangSmith instance if desired. See details for [`LANGSMITH_RUNS_ENDPOINTS` environment variable](../cloud/reference/env_var.md#langsmith_runs_endpoints).