LangSmith — tracing and evaluation
langsmith/tracing · version 1
envs add langsmith/tracingThis declares the keys below in your catalog and sets none of them. A template is a schema for keys; it never carries a value.
| Key | Needed | Kind | Notes |
|---|---|---|---|
LANGSMITH_API_KEY |
required | secret | LangSmith shows a key only once. The two prefixes separate a personal token from a service key and come from LangSmith's own SDK rather than a prose statement, which is why they are recorded here as its code's rule.. Shape ^lsv2_(pt|sk)_.+$. where to get it |
LANGCHAIN_API_KEY |
optional | secret | The older name, still read by earlier integrations. Same value; do not set both.. Shape ^lsv2_(pt|sk)_.+$. where to get it |