Get GraniteShares Gold Trust (BAR) Historical Prices with Metals-API

In the world of precious metals trading, having access to accurate and timely data is crucial for making informed investment decisions. One of the most effective ways to obtain historical prices for assets like the GraniteShares Gold Trust (BAR) is through the Metals-API. This powerful API provides developers with the tools needed to access real-time and historical data for various metals, including gold, silver, platinum, and palladium. In this blog post, we will explore how to leverage Metals-API to retrieve historical prices for gold, specifically focusing on the symbol XAU, and discuss the innovative features that make this API a game-changer in the precious metals market.

Metals-API Information

Metals-API is designed to provide developers with comprehensive access to metal prices and currency conversion data through a simple and efficient JSON API. With its robust architecture, the API allows users to build next-generation applications that can analyze market trends, perform data analytics, and integrate seamlessly with trading platforms. The API's capabilities extend beyond just retrieving prices; it empowers developers to innovate in price discovery and digital asset solutions.

About Gold (XAU)

Gold, represented by the symbol XAU, has long been regarded as a safe-haven asset and a hedge against inflation. In recent years, the digital transformation in precious metals trading has opened up new avenues for investors and traders alike. The integration of data analytics and technology has revolutionized how market insights are derived, enabling more accurate price predictions and investment strategies.

As the demand for digital asset solutions grows, the importance of having access to real-time and historical data cannot be overstated. The Metals-API provides a comprehensive suite of endpoints that allow users to access the latest rates, historical prices, and even fluctuations in gold prices over time. This level of detail is essential for traders looking to capitalize on market movements and make informed decisions.

API Description

The Metals-API is a powerful tool for developers looking to integrate precious metals data into their applications. With a focus on innovation and technological advancement, the API offers a range of features that can transform how users interact with metal prices. Here are some of the key capabilities:

Real-Time Data: The API provides real-time exchange rate data that is updated frequently, depending on the subscription plan. This ensures that users have the most current information at their fingertips.
Historical Data: Users can access historical rates dating back to 2019, allowing for in-depth analysis of price trends over time.
Bid and Ask Prices: The API includes endpoints for retrieving real-time bid and ask prices, which are crucial for traders looking to execute orders at optimal prices.
Currency Conversion: The conversion endpoint allows users to convert amounts between different metals and currencies, facilitating easier trading and investment.
Time-Series Data: Users can query for daily historical rates between two dates, providing insights into price movements over specific periods.
Fluctuation Tracking: The fluctuation endpoint enables users to track how prices change over time, offering valuable insights into market volatility.
Open/High/Low/Close (OHLC) Data: This endpoint provides detailed price data for specific time periods, essential for technical analysis.
News Updates: The API also offers a news endpoint to keep users informed about the latest developments in the metals market.

Key Features and Endpoints

Let’s delve deeper into some of the key features and endpoints of the Metals-API, focusing on their functionalities and potential applications.

Latest Rates Endpoint

The Latest Rates endpoint is a cornerstone of the Metals-API, providing real-time exchange rates for all available metals. Depending on your subscription plan, this endpoint can return data updated every 60 minutes or even more frequently. This feature is particularly useful for traders who need to make quick decisions based on the latest market conditions.

{
    "success": true,
    "timestamp": 1742695287,
    "base": "USD",
    "date": "2025-03-23",
    "rates": {
        "XAU": 0.000482,
        "XAG": 0.03815,
        "XPT": 0.000912,
        "XPD": 0.000744
    },
    "unit": "per troy ounce"
}

The response includes a timestamp, the base currency (USD), the date of the rates, and the rates for various metals. This information is crucial for traders looking to assess the current market landscape.

Historical Rates Endpoint

The Historical Rates endpoint allows users to access historical exchange rates for any date since 1999. This feature is invaluable for conducting trend analysis and understanding how gold prices have evolved over time.

{
    "success": true,
    "timestamp": 1742608887,
    "base": "USD",
    "date": "2025-03-22",
    "rates": {
        "XAU": 0.000485,
        "XAG": 0.03825,
        "XPT": 0.000915,
        "XPD": 0.000748
    },
    "unit": "per troy ounce"
}

In this response, users can see the historical rates for gold and other metals, providing a snapshot of the market at a specific point in time.

Time-Series Endpoint

The Time-Series endpoint allows users to query the API for daily historical rates between two dates of their choice. This feature is particularly useful for analyzing price trends over specific periods, enabling traders to make data-driven decisions.

{
    "success": true,
    "timeseries": true,
    "start_date": "2025-03-16",
    "end_date": "2025-03-23",
    "base": "USD",
    "rates": {
        "2025-03-16": {
            "XAU": 0.000485,
            "XAG": 0.03825,
            "XPT": 0.000915
        },
        "2025-03-18": {
            "XAU": 0.000483,
            "XAG": 0.0382,
            "XPT": 0.000913
        },
        "2025-03-23": {
            "XAU": 0.000482,
            "XAG": 0.03815,
            "XPT": 0.000912
        }
    },
    "unit": "per troy ounce"
}

This endpoint provides a detailed view of how prices have changed over the specified time frame, allowing for comprehensive analysis.

Convert Endpoint

The Convert endpoint is a valuable feature that allows users to convert any amount from one metal to another or to/from USD. This functionality is essential for traders who need to quickly assess the value of their holdings in different currencies.

{
    "success": true,
    "query": {
        "from": "USD",
        "to": "XAU",
        "amount": 1000
    },
    "info": {
        "timestamp": 1742695287,
        "rate": 0.000482
    },
    "result": 0.482,
    "unit": "troy ounces"
}

The response includes the conversion rate and the result, providing users with the information they need to make informed trading decisions.

Fluctuation Endpoint

The Fluctuation endpoint allows users to retrieve information about how prices fluctuate on a day-to-day basis. This feature is particularly useful for understanding market volatility and making predictions about future price movements.

{
    "success": true,
    "fluctuation": true,
    "start_date": "2025-03-16",
    "end_date": "2025-03-23",
    "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"
}

This endpoint provides insights into price changes over the specified period, helping traders understand market dynamics.

Open/High/Low/Close (OHLC) Price Endpoint

The OHLC Price endpoint allows users to query the API for open, high, low, and close prices for a specific time period. This data is essential for technical analysis and helps traders identify trends and potential entry and exit points.

{
    "success": true,
    "timestamp": 1742695287,
    "base": "USD",
    "date": "2025-03-23",
    "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"
}

This endpoint provides a comprehensive view of price movements, allowing traders to make informed decisions based on historical data.

Bid/Ask Endpoint

The Bid/Ask endpoint provides current bid and ask prices for metals, which are critical for executing trades at the best possible prices. This feature is essential for traders who need to act quickly in a fast-paced market.

{
    "success": true,
    "timestamp": 1742695287,
    "base": "USD",
    "date": "2025-03-23",
    "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"
}

This response provides essential pricing information that traders need to make informed decisions in real-time.

List of Symbols

The Metals-API provides access to a comprehensive range of metal symbols. For a complete list of all supported symbols and their specifications, refer to the Metals-API Supported Symbols page. This resource is invaluable for developers looking to integrate specific metals into their applications.

Conclusion

In conclusion, the Metals-API is an essential tool for developers and traders looking to access historical prices and real-time data for precious metals like gold. With its extensive range of endpoints, including the Latest Rates, Historical Rates, Time-Series, and more, the API empowers users to make informed decisions based on accurate data. The ability to track fluctuations, convert currencies, and access bid/ask prices enhances the trading experience and provides valuable insights into market trends.

For those interested in integrating precious metals data into their applications, the Metals-API Documentation offers comprehensive guidance on how to utilize these features effectively. By leveraging the capabilities of Metals-API, developers can create innovative solutions that meet the demands of today's fast-paced trading environment.

As the digital transformation in precious metals continues to evolve, staying informed and equipped with the right tools will be crucial for success in this dynamic market. Whether you are a seasoned trader or a developer looking to build the next big application, Metals-API provides the resources you need to thrive.

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Get GraniteShares Gold Trust (BAR) Historical Prices with Metals-API