The LangSmith API is used to programmatically create and manage LangSmith
resources.
## Host
http://localhost:1984
## Authentication
To authenticate with the LangSmith API, set the `X-Api-Key` header to a valid
[LangSmith API key](https://docs.langchain.com/langsmith/create-account-api-key#create-an-api-key).
Version0.1.0-alpha.8compared with
Version Details
| 0.1.0-alpha.6 | 0.1.0-alpha.8 | |
|---|---|---|
| Release date | Nov 07, 2025 | Nov 10, 2025 |
| Licenses | Apache 2.0 | Apache 2.0 |
| Vulnerabilities | None | None |
No dependency changes compared to the selected version.