LangChain Reference home pageLangChain ReferenceLangChain Reference
  • GitHub
  • Main Docs
Deep Agents
LangChain
LangGraph
Integrations
LangSmith
  • Overview
  • LangGraph Checkpoint
    LangGraph Store
    Checkpoint Postgres
    Store Postgres
    Checkpoint SQLite
    LangGraph Prebuilt
    LangGraph CLI
    LangGraph SDK
    LangGraph Supervisor
    LangGraph Swarm
    ⌘I

    LangChain Assistant

    Ask a question to get started

    Enter to send•Shift+Enter new line

    Menu

    LangGraph Checkpoint
    LangGraph Store
    Checkpoint Postgres
    Store Postgres
    Checkpoint SQLite
    LangGraph Prebuilt
    LangGraph CLI
    LangGraph SDK
    LangGraph Supervisor
    LangGraph Swarm
    Language
    Theme
    Pythonlanggraph-clischemasWebhookUrlPolicyallowed_ports
    Attribute●Since v0.4

    allowed_ports

    Copy
    allowed_ports: list[int]
    View source on GitHub

    Explicit port allowlist for absolute URLs.

    If set, requests must use one of these ports. Defaults are respected when a port is not present in the URL (443 for https, 80 for http).