---
title: LangGraph APIs
description: Explore the APIs used in AI Service Graph Connector for LangGraph.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/australia/intelligent-experiences/ai-control-tower/apis-used-for-langgraph-connector.html
release: australia
product: AI Control Tower
classification: ai-control-tower
topic_type: concept
last_updated: "2026-03-12"
reading_time_minutes: 1
breadcrumb: [LangGraph, Service Graph Connectors for AI Control Tower, AI connections, Explore, AI Control Tower \(legacy\), Enable AI experiences]
---

# LangGraph APIs

Explore the APIs used in AI Service Graph Connector for LangGraph.

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

<table id="table_fq2_5kq_m3c"><tbody><tr><td>

API

</td><td>

Endpoint \(example\)

</td><td>

What it does

</td></tr><tr><td>

List Workspaces

</td><td>

https://api.smith.langchain.com /api/v1/workspaces/

</td><td>

Lists all workspaces at the given endpoint for the current API key or user.

</td></tr><tr><td>

List Deployments

</td><td>

https://api.host.langchain.com/v2/deployments

</td><td>

Lists all agent deployments for a particular workspace.

</td></tr><tr><td>

List Tracer Sessions

</td><td>

https://api.smith.langchain.com/api/v1/sessions

</td><td>

Lists all tracer sessions for a given workspace.

</td></tr><tr><td>

Get Run Stats

</td><td>

https://api.smith.langchain.com /api/v1/runs/stats

</td><td>

Gets stats on a particular run, including LLM invocations.

</td></tr></tbody>
</table>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.

<table id="table_gjp_zkq_m3c"><tbody><tr><td>

API

</td><td>

Endpoint \(example\)

</td><td>

What it does

</td></tr><tr><td>

Search Assistants

</td><td>

\{\{endpoint\_url\}\}/assistants/search

</td><td>

Lists all assistants in each deployment.

</td></tr><tr><td>

Search Threads

</td><td>

\{\{endpoint\_url\}\}/threads/search

</td><td>

Lists all threads for each deployment.

</td></tr></tbody>
</table>