langchain-oilpriceapi

LangChain tools for OilPriceAPI — real-time oil, gas, and commodity prices for AI agents.

Installation

pip install langchain-oilpriceapi

Quick Start

import os
from langchain_oilpriceapi import OilPriceTools
from langchain_openai import ChatOpenAI
from langgraph.prebuilt import create_react_agent

# Set your API key
os.environ["OILPRICEAPI_KEY"] = "your_api_key_here"

# Get all tools
tools = OilPriceTools().get_tools()

# Build an agent
llm = ChatOpenAI(model="gpt-4o")
agent = create_react_agent(llm, tools)

# Ask questions
result = agent.invoke({
    "messages": [{"role": "user", "content": "What's the current Brent crude price and how does it compare to WTI?"}]
})
print(result["messages"][-1].content)

Tools

Using Individual Tools

from langchain_oilpriceapi import get_commodity_price, get_historical_prices

# Direct tool call
price = get_commodity_price.invoke({"commodity": "brent crude"})
print(price)

# Historical data
history = get_historical_prices.invoke({"commodity": "natural gas", "period": "week"})
print(history)

Supported Commodities

Crude Oil: Brent (BRENT_CRUDE_USD), WTI (WTI_USD), Urals (URALS_CRUDE_USD), Dubai (DUBAI_CRUDE_USD)

Natural Gas: US Henry Hub (NATURAL_GAS_USD), UK NBP (NATURAL_GAS_GBP), European TTF (DUTCH_TTF_EUR)

Refined Products: Diesel, Gasoline, RBOB Gasoline, Jet Fuel, Heating Oil (all _USD)

Coal: COAL_USD, NEWCASTLE_COAL_USD

Precious Metals: Gold (USD/GBP/EUR AM+PM fixes), Silver (USD/GBP/EUR)

Other: EU Carbon (EU_CARBON_EUR), EUR/USD, GBP/USD

You can use natural language names like "brent oil", "natural gas", or "diesel" — the tools will resolve to the correct code automatically.

Authentication

Set the OILPRICEAPI_KEY environment variable to your API key:

export OILPRICEAPI_KEY=your_api_key_here

Get your API key at oilpriceapi.com.