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.9compared with
Version Details
| 0.1.0-alpha.8 | 0.1.0-alpha.9 | |
|---|---|---|
| Release date | Nov 10, 2025 | Nov 11, 2025 |
| Licenses | Apache 2.0 | Apache 2.0 |
| Vulnerabilities | None | None |
Compile Changes (6)
| 0.1.0-alpha.8 | 0.1.0-alpha.9 | ||
|---|---|---|---|
| Change | Group / Artifact | Previous | Current |
| + Added | io.opentelemetry » opentelemetry-api | - | 1.32.0 |
| + Added | io.opentelemetry » opentelemetry-exporter-otlp | - | 1.32.0 |
| + Added | io.opentelemetry » opentelemetry-sdk | - | 1.32.0 |
| + Added | io.opentelemetry.semconv » opentelemetry-semconv | - | 1.23.1-alpha |
| + Added | org.jetbrains.kotlin » kotlin-stdlib | - | 2.0.21 |
| - Removed | org.jetbrains.kotlin » kotlin-stdlib-jdk8 | 1.8.0 | - |