langchain-orizn

LangChain tools for the Orizn Visa API — check visa requirements for 39,585 passport-destination pairs in 15 languages.

Install

pip install langchain-orizn

Quick start

from langchain_orizn import OriznQuickVisaCheckTool, OriznVisaCheckTool

# No API key needed for quick checks
quick = OriznQuickVisaCheckTool()
print(quick.invoke({"passport": "FRA", "destination": "JPN"}))

# Full details (needs API key)
import os
os.environ["ORIZN_API_KEY"] = "your-key"
full = OriznVisaCheckTool()
print(full.invoke({"passport": "FRA", "destination": "JPN", "lang": "fr"}))

Use with a LangChain agent

from langchain_openai import ChatOpenAI
from langgraph.prebuilt import create_react_agent

tools = [OriznQuickVisaCheckTool(), OriznVisaCheckTool(api_key="your-key")]
agent = create_react_agent(ChatOpenAI(model="gpt-4o"), tools)

result = agent.invoke({"messages": [("user", "Do I need a visa to go from Brazil to Japan?")]})

Available tools

Supported languages

en, fr, es, pt, de, ja, ko, zh, ru, it, ar, hi, th, vi, tl

Links

• API
• Docs
• MCP Server
• GitHub

License

MIT