Obtain Aluminum - LME 3-month (ALU3M) Historical Prices via this API

Metals-API offers a robust solution. This blog post will delve into the intricacies of obtaining aluminum historical prices, particularly focusing on the LME 3-month (ALU3M) data, and how the Metals-API can empower you to access this information seamlessly.

Metals-API Information

About Aluminum (XAL)

XAL, is a versatile metal widely used across various industries, from automotive to aerospace. As the world embraces digital transformation, the metal markets are also undergoing significant changes. The integration of technological innovations and advancements in data analytics has revolutionized how stakeholders interact with metal pricing data.

API Description

Metals-API is a powerful tool designed to provide real-time and historical pricing data for various metals, including aluminum. This API is built with innovation in mind, allowing developers to create next-generation applications that can analyze and visualize metal prices effectively. With its comprehensive documentation, the Metals-API enables users to understand the capabilities and functionalities available at their fingertips.

Metals-API Documentation provides extensive information on how to utilize the API effectively. From retrieving the latest rates to accessing historical data, the API is designed to cater to a wide range of use cases.

Key Features and Endpoints

Latest Rates Endpoint: Depending on your subscription plan, this endpoint provides real-time exchange rate data updated every 60 minutes, every 10 minutes, or even more frequently. This is crucial for developers needing the most current pricing information.
Historical Rates Endpoint: Historical rates for aluminum are available dating back to 2019. By appending a specific date to the API call, users can retrieve past pricing data, which is essential for trend analysis and forecasting.
Bid And Ask Endpoint: This feature allows users to retrieve real-time bid and ask prices for aluminum, providing insights into market liquidity and pricing dynamics.
Convert Endpoint: The API includes a currency conversion feature, enabling users to convert amounts from one metal to another or to/from USD. This is particularly useful for international transactions.
Time-Series Endpoint: Users can query the API for daily historical rates between two dates of their choice, facilitating in-depth analysis of price movements over time.
Fluctuation Endpoint: This endpoint provides information about how aluminum prices fluctuate on a day-to-day basis, helping users understand market volatility.
Open/High/Low/Close (OHLC) Price Endpoint: This feature allows users to access the open, high, low, and close prices for aluminum over a specified period, which is vital for technical analysis.
Historical LME Endpoint: For those specifically interested in LME symbols, this endpoint provides historical rates dating back to 2008, allowing for comprehensive analysis of aluminum prices.
API Key: Each user is provided with a unique API key that must be included in requests to authenticate and authorize access to the API.
API Response: The Metals-API delivers exchange rates relative to USD by default, ensuring consistency in data interpretation.
Supported Symbols Endpoint: This endpoint returns a constantly updated list of all available metal symbols, ensuring users have access to the latest information.
News Endpoint: Users can retrieve the latest news articles related to various metals, providing context and insights into market movements.

List of Symbols

Metals-API Supported Symbols page. This resource is invaluable for developers looking to integrate multiple metal data points into their applications.

API Endpoint Examples and Responses

Latest Rates Endpoint

{
    "success": true,
    "timestamp": 1753834643,
    "base": "USD",
    "date": "2025-07-30",
    "rates": {
        "XAU": 0.000482,
        "XAG": 0.03815,
        "XPT": 0.000912,
        "XPD": 0.000744,
        "XCU": 0.294118,
        "XAL": 0.434783,
        "XNI": 0.142857,
        "XZN": 0.344828
    },
    "unit": "per troy ounce"
}

Historical Rates Endpoint

{
    "success": true,
    "timestamp": 1753748243,
    "base": "USD",
    "date": "2025-07-29",
    "rates": {
        "XAU": 0.000485,
        "XAG": 0.03825,
        "XPT": 0.000915,
        "XPD": 0.000748
    },
    "unit": "per troy ounce"
}

Time-series Endpoint

{
    "success": true,
    "timeseries": true,
    "start_date": "2025-07-23",
    "end_date": "2025-07-30",
    "base": "USD",
    "rates": {
        "2025-07-23": {
            "XAU": 0.000485,
            "XAG": 0.03825,
            "XPT": 0.000915
        },
        "2025-07-25": {
            "XAU": 0.000483,
            "XAG": 0.0382,
            "XPT": 0.000913
        },
        "2025-07-30": {
            "XAU": 0.000482,
            "XAG": 0.03815,
            "XPT": 0.000912
        }
    },
    "unit": "per troy ounce"
}

Convert Endpoint

{
    "success": true,
    "query": {
        "from": "USD",
        "to": "XAU",
        "amount": 1000
    },
    "info": {
        "timestamp": 1753834643,
        "rate": 0.000482
    },
    "result": 0.482,
    "unit": "troy ounces"
}

Fluctuation Endpoint

{
    "success": true,
    "fluctuation": true,
    "start_date": "2025-07-23",
    "end_date": "2025-07-30",
    "base": "USD",
    "rates": {
        "XAU": {
            "start_rate": 0.000485,
            "end_rate": 0.000482,
            "change": -3.0e-6,
            "change_pct": -0.62
        },
        "XAG": {
            "start_rate": 0.03825,
            "end_rate": 0.03815,
            "change": -0.0001,
            "change_pct": -0.26
        },
        "XPT": {
            "start_rate": 0.000915,
            "end_rate": 0.000912,
            "change": -3.0e-6,
            "change_pct": -0.33
        }
    },
    "unit": "per troy ounce"
}

OHLC (Open/High/Low/Close) Endpoint

{
    "success": true,
    "timestamp": 1753834643,
    "base": "USD",
    "date": "2025-07-30",
    "rates": {
        "XAU": {
            "open": 0.000485,
            "high": 0.000487,
            "low": 0.000481,
            "close": 0.000482
        },
        "XAG": {
            "open": 0.03825,
            "high": 0.0383,
            "low": 0.0381,
            "close": 0.03815
        },
        "XPT": {
            "open": 0.000915,
            "high": 0.000918,
            "low": 0.00091,
            "close": 0.000912
        }
    },
    "unit": "per troy ounce"
}

Bid/Ask Endpoint

{
    "success": true,
    "timestamp": 1753834643,
    "base": "USD",
    "date": "2025-07-30",
    "rates": {
        "XAU": {
            "bid": 0.000481,
            "ask": 0.000483,
            "spread": 2.0e-6
        },
        "XAG": {
            "bid": 0.0381,
            "ask": 0.0382,
            "spread": 0.0001
        },
        "XPT": {
            "bid": 0.000911,
            "ask": 0.000913,
            "spread": 2.0e-6
        }
    },
    "unit": "per troy ounce"
}

Conclusion

Metals-API is an invaluable resource for developers and analysts seeking to obtain historical prices for aluminum and other metals. With its comprehensive set of features, including real-time rates, historical data, and various endpoints tailored for specific needs, the API empowers users to make informed decisions based on accurate data.

Metals-API Website and explore the Metals-API Documentation for detailed guidance on implementation. Don't forget to check the Metals-API Supported Symbols page for a complete list of available metal symbols.

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Obtain Aluminum - LME 3-month (ALU3M) Historical Prices via this API