Reference

Technical reference that covers components, APIs, and other aspects of LangSmith.

API reference

• LangSmith API Reference

SDK reference

• Python SDK Reference
• LangChain off-the-shelf evaluators (Python only)

Architecture reference

• Cloud architecture and scalability
• Regions FAQ

Data formats

• Run (span) data format
• Feedback data format
• Trace query syntax
  • Filter arguments
  • Filter query language

Authentication and authorization

• Authentication methods