How to Get Real-Time GraniteShares Gold Trust (BAR) Prices with Metals-API for Your Trading Application

In the fast-paced world of trading, having access to real-time market data is crucial for making informed decisions. For those interested in precious metals, the GraniteShares Gold Trust (BAR) represents a unique investment opportunity. By utilizing the Metals-API, developers can seamlessly integrate real-time gold prices into their trading applications. This blog post will guide you through the process of accessing real-time {Symbol} market prices using Metals-API, providing detailed instructions and example API calls.

Metals-API Information

The Metals-API is a powerful tool that provides developers with access to real-time and historical data for various metals, including gold (XAU), silver (XAG), platinum (XPT), and palladium (XPD). With its innovative features, the API enables users to build next-generation applications that leverage data analytics and market insights. The API is designed to support digital transformation in the precious metals market, allowing for enhanced technology integration in trading and innovative price discovery methods.

About Gold (XAU)

Gold has long been considered a safe-haven asset, particularly in times of economic uncertainty. The digital transformation of the precious metals market has opened new avenues for investors and traders alike. By utilizing data analytics, traders can gain deeper insights into market trends and make more informed decisions. The integration of technology in trading applications allows for real-time monitoring of gold prices, enabling users to react swiftly to market fluctuations.

As a digital asset, gold can be traded in various forms, including ETFs like the GraniteShares Gold Trust (BAR). This trust offers investors a way to gain exposure to gold without the need for physical storage. By accessing real-time data through the Metals-API, developers can create applications that provide users with up-to-the-minute gold prices, historical data analysis, and market insights.

API Description

The Metals-API is designed to empower developers with the tools needed to access real-time metals data. With a variety of endpoints, the API offers functionalities such as retrieving the latest rates, historical data, bid and ask prices, and more. The API's capabilities are transformative, allowing developers to create applications that can analyze market trends, track price fluctuations, and provide currency conversion services.

To get started, you can visit the Metals-API Documentation for comprehensive guidance on how to implement these features in your applications. The API supports a wide range of symbols, which can be found on the Metals-API Supported Symbols page.

Key Features and Endpoints

The Metals-API offers a variety of endpoints that cater to different needs. Here are some of the key features:

Latest Rates Endpoint: This endpoint provides real-time exchange rate data for metals, updated every 60 minutes, every 10 minutes, or even more frequently, depending on your subscription plan. This feature is essential for traders who need immediate access to current market prices.
Historical Rates Endpoint: Access historical rates dating back to 2019. This endpoint allows you to query for historical rates by appending a specific date, enabling users to analyze past market trends and make informed predictions.
Bid And Ask Endpoint: Retrieve real-time bid and ask prices for metals. This feature is particularly useful for traders looking to execute buy or sell orders at optimal prices.
Convert Endpoint: This endpoint allows users to convert any amount from one metal to another or to/from USD. This functionality is crucial for traders who operate in multiple currencies.
Time-Series Endpoint: Query the API for daily historical rates between two dates of your choice. This feature is beneficial for analyzing price movements over specific periods.
Fluctuation Endpoint: Retrieve information about how metals fluctuate on a day-to-day basis. This endpoint provides insights into market volatility and helps traders understand price trends.
Carat Endpoint: Get information about gold rates by carat. This feature is particularly useful for jewelers and consumers interested in the purity of gold.
Lowest/Highest Price Endpoint: Query the API to get the lowest and highest price for a specified date. This information is valuable for traders looking to identify price extremes.
Open/High/Low/Close (OHLC) Price Endpoint: Access open, high, low, and close prices for a specific time period. This data is essential for technical analysis and trading strategies.
Historical LME Endpoint: Access historical rates for LME symbols dating back to 2008. This endpoint is useful for analyzing long-term trends in the metals market.
API Key: Your unique API key is required to access the API's features. This key is passed into the API base URL's access_key parameter for authentication.
API Response: The API delivers exchange rates relative to USD by default, with all data returned in a structured JSON format.
Available Endpoints: The Metals-API offers 14 different endpoints, each providing unique functionality to cater to various trading needs.
Gold Price India Endpoint: Retrieve the latest gold price in India using this dedicated endpoint, which is particularly useful for traders operating in the Indian market.
News Endpoint: Stay updated with the latest news articles related to various metals, helping traders stay informed about market developments.

API Endpoint Examples and Responses

Understanding how to interact with the Metals-API is crucial for developers. Below are examples of various API endpoints and their expected responses:

Latest Rates Endpoint

Get real-time exchange rates for all available metals:

{
    "success": true,
    "timestamp": 1757966436,
    "base": "USD",
    "date": "2025-09-15",
    "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

Access historical exchange rates for any date since 1999:

{
    "success": true,
    "timestamp": 1757880036,
    "base": "USD",
    "date": "2025-09-14",
    "rates": {
        "XAU": 0.000485,
        "XAG": 0.03825,
        "XPT": 0.000915,
        "XPD": 0.000748
    },
    "unit": "per troy ounce"
}

Time-series Endpoint

Get exchange rates for a specific time period:

{
    "success": true,
    "timeseries": true,
    "start_date": "2025-09-08",
    "end_date": "2025-09-15",
    "base": "USD",
    "rates": {
        "2025-09-08": {
            "XAU": 0.000485,
            "XAG": 0.03825,
            "XPT": 0.000915
        },
        "2025-09-10": {
            "XAU": 0.000483,
            "XAG": 0.0382,
            "XPT": 0.000913
        },
        "2025-09-15": {
            "XAU": 0.000482,
            "XAG": 0.03815,
            "XPT": 0.000912
        }
    },
    "unit": "per troy ounce"
}

Convert Endpoint

Convert any amount from one metal to another or to/from USD:

{
    "success": true,
    "query": {
        "from": "USD",
        "to": "XAU",
        "amount": 1000
    },
    "info": {
        "timestamp": 1757966436,
        "rate": 0.000482
    },
    "result": 0.482,
    "unit": "troy ounces"
}

Fluctuation Endpoint

Track rate fluctuations between two dates:

{
    "success": true,
    "fluctuation": true,
    "start_date": "2025-09-08",
    "end_date": "2025-09-15",
    "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

Get OHLC data for a specific time period:

{
    "success": true,
    "timestamp": 1757966436,
    "base": "USD",
    "date": "2025-09-15",
    "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

Get current bid and ask prices for metals:

{
    "success": true,
    "timestamp": 1757966436,
    "base": "USD",
    "date": "2025-09-15",
    "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

Accessing real-time GraniteShares Gold Trust (BAR) prices through the Metals-API is a straightforward process that can significantly enhance your trading application. By leveraging the various endpoints offered by the API, developers can create robust applications that provide users with real-time data, historical insights, and market analysis. The integration of technology in trading not only improves efficiency but also empowers traders to make informed decisions based on accurate and timely information.

For further exploration, consider visiting the Metals-API Documentation for detailed guidance on implementation. Additionally, the Metals-API Supported Symbols page provides a comprehensive list of available metal symbols, ensuring you have all the necessary resources at your fingertips. Embrace the power of real-time data and transform your trading strategies with the Metals-API.

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How to Get Real-Time GraniteShares Gold Trust (BAR) Prices with Metals-API for Your Trading Application