Extract Sprott ESG Gold ETF (SESG) Historical Prices via this API

Metals-API. This blog post will delve into the intricacies of obtaining historical prices for gold using the Metals-API, while also exploring the broader context of gold as a digital asset.

About Gold (XAU)

API Description

Metals-API is a comprehensive JSON API that offers real-time and historical data for various metals, including gold, silver, platinum, and palladium. This API is designed to empower developers to create next-generation applications that require accurate and timely metals data. With its innovative features and capabilities, the Metals-API stands out as a transformative tool in the financial technology landscape.

Key Features and Endpoints

Latest Rates Endpoint: Depending on your subscription plan, this endpoint returns real-time exchange rate data updated every 60 minutes, every 10 minutes, or even more frequently. This is essential for applications that require the latest market information.
Historical Rates Endpoint: Historical rates are available for most currencies dating back to 2019. Developers can query the Metals-API for historical rates by appending a specific date to the endpoint. This feature is particularly useful for analyzing price trends over time.
Bid And Ask Endpoint: This powerful feature enables developers to retrieve real-time bid and ask prices for various metals, allowing for more informed trading decisions.
Convert Endpoint: The Metals-API includes a currency conversion endpoint, which can be used to convert any amount from one metal to another or to/from USD. This is particularly useful for applications that require multi-currency support.
Time-Series Endpoint: This endpoint allows developers to query the API for daily historical rates between two dates of their choice, making it easier to analyze trends over specific periods.
Fluctuation Endpoint: Developers can retrieve information about how currencies fluctuate on a day-to-day basis, providing insights into market volatility.
Carat Endpoint: This feature allows developers to retrieve information about gold rates by carat, which is essential for applications focused on jewelry and precious metal trading.
Lowest/Highest Price Endpoint: This endpoint allows developers to query the API to get the lowest and highest price for a specified date, which is crucial for understanding market extremes.
Open/High/Low/Close (OHLC) Price Endpoint: This endpoint provides open, high, low, and close prices for a specific date, which is vital for technical analysis.
Historical LME Endpoint: This endpoint provides access to historical rates for LME symbols dating back to 2008, allowing for comprehensive analysis of market trends.
API Key: Each user is assigned a unique API key that must be included in requests to authenticate access to the API.
API Response: The Metals-API delivers exchange rates relative to USD by default, ensuring consistency in data presentation.
Available Endpoints: The API comes with multiple endpoints, each providing different functionalities tailored to specific needs.
Supported Symbols Endpoint: This endpoint returns all available currencies and metals, ensuring developers can easily find the symbols they need.
Gold Price India Endpoint: This dedicated endpoint retrieves the latest gold price in India, catering to regional market needs.
News Endpoint: The Metals-API allows users to retrieve the latest news articles related to various metals, keeping developers informed about market developments.

API Endpoint Examples and Responses

Latest Rates Endpoint

{
    "success": true,
    "timestamp": 1754974827,
    "base": "USD",
    "date": "2025-08-12",
    "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": 1754888427,
    "base": "USD",
    "date": "2025-08-11",
    "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": "2025-08-05",
    "end_date": "2025-08-12",
    "base": "USD",
    "rates": {
        "2025-08-05": {
            "XAU": 0.000485,
            "XAG": 0.03825,
            "XPT": 0.000915
        },
        "2025-08-07": {
            "XAU": 0.000483,
            "XAG": 0.0382,
            "XPT": 0.000913
        },
        "2025-08-12": {
            "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": 1754974827,
        "rate": 0.000482
    },
    "result": 0.482,
    "unit": "troy ounces"
}

Fluctuation Endpoint

{
    "success": true,
    "fluctuation": true,
    "start_date": "2025-08-05",
    "end_date": "2025-08-12",
    "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) Price Endpoint

{
    "success": true,
    "timestamp": 1754974827,
    "base": "USD",
    "date": "2025-08-12",
    "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": 1754974827,
    "base": "USD",
    "date": "2025-08-12",
    "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 Documentation and explore the Metals-API Supported Symbols for a complete list of available metals.

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Extract Sprott ESG Gold ETF (SESG) Historical Prices via this API