# LangGraph

**Canonical:** https://apis.io/providers/langgraph/  
**Website:** https://www.langchain.com/langgraph  
**APIs profiled:** 5

LangGraph is an open-source framework from LangChain for building stateful, multi-actor agent workflows with low-level primitives for greater control over agent behavior. LangGraph Platform (LangSmith Deployment) provides managed infrastructure for running agents in production with assistants, threads, and runs.

## Kin Score — 32.6 / 100 (thin)

Scored 2026-08-24 under rubric 0.13.0. Trend: flat (-0.4 from 33.0).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 54.1 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 28.9 |
| Developer Ergonomics | 23.8 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

## Agent readiness — 28.1 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | partial |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (5)

- **LangGraph Agent Connections (v2) API** — The Agent Connections (v2) API from LangGraph — 2 operation(s) for agent connections (v2).
- **LangGraph Auth Service (v2) API** — The Auth Service (v2) API from LangGraph — 13 operation(s) for auth service (v2).
- **LangGraph Deployments (v2) API** — The Deployments (v2) API from LangGraph — 5 operation(s) for deployments (v2).
- **LangGraph Integrations (v1) API** — The Integrations (v1) API from LangGraph — 4 operation(s) for integrations (v1).
- **LangGraph Listeners (v2) API** — The Listeners (v2) API from LangGraph — 2 operation(s) for listeners (v2).

## Agentic access (1)

- **Langgraph Agentic Access** — 39 operations · 20 acting · 1 human-in-the-loop

## Security (2)

- **Langgraph Authentication** — apiKey · 1 scheme
- **Langgraph Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC

## Plans (1)

- **Langgraph Plans Pricing**

## Tags

Agents, Artificial Intelligence, Large Language Models, Workflows, Orchestration

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/langgraph/). Scores are computed from the provider's own public artifacts under a published rubric.