APIs used for LangGraph

  • Release version: Australia
  • Updated March 12, 2026
  • 1 minute to read
  • Explore the APIs used in AI Service Graph Connector for LangGraph.

    The following table lists all the LangSmith API endpoints used by the connector.

    API Endpoint (example) What it does
    List Workspaces https://api.smith.langchain.com /api/v1/workspaces/ Lists all workspaces at the given endpoint for the current API key or user
    List Deployments https://api.host.langchain.com/v2/deployments Lists all agent deployments for a particular workspace
    List Tracer Sessions https://api.smith.langchain.com/api/v1/sessions Lists all tracer sessions for a given workspace
    Get Run Stats https://api.smith.langchain.com /api/v1/runs/stats Gets stats on a particular run, including LLM invocations

    This table lists all the LangGraph Agent Deployment APIs used by the connector. The “endpoint_url” following will be specific to each deployment and will be discovered at runtime by the app.

    API Endpoint (example) What it does
    Search Assistants {{endpoint_url}}/assistants/search Lists all assistants in each deployment
    Search Threads {{endpoint_url}}/threads/search Lists all threads for each deployment