Query Gold May 2026 (GCK26) Historical Prices through this API

As the world of finance continues to evolve, the demand for precise and real-time data has never been more critical, especially in the realm of precious metals. Gold, represented by the symbol XAU, remains a cornerstone of investment portfolios and a safe haven during economic uncertainty. In this blog post, we will explore how to query historical prices for Gold in May 2026 using the Metals-API. We will delve into the innovative features of this API, its capabilities, and how it empowers developers to create next-generation applications that leverage real-time metals data.

Metals-API Information

About Gold (XAU)

Gold has long been revered not only for its intrinsic value but also for its role in the global economy. In recent years, the digital transformation of precious metals trading has revolutionized how investors access and analyze market data. The integration of data analytics and technology in trading has enabled market participants to gain deeper insights into price movements and trends.

With the rise of digital asset solutions, investors are now able to trade Gold and other precious metals with unprecedented efficiency. The innovation in price discovery mechanisms has led to more transparent and accessible markets. As a result, developers are increasingly turning to APIs like Metals-API to build applications that provide real-time data and analytics for Gold and other metals.

API Description

The Metals-API is a powerful tool that provides developers with access to real-time and historical data for various metals, including Gold. This API is designed to facilitate the integration of metals data into applications, enabling users to make informed decisions based on accurate and timely information.

One of the standout features of the Metals-API is its ability to deliver real-time exchange rate data, updated frequently based on the user's subscription plan. This ensures that developers can access the latest market information, which is crucial for applications that require up-to-the-minute data.

Moreover, the API supports a wide range of endpoints, each tailored to specific functionalities. From retrieving the latest rates to accessing historical data dating back to 2019, the Metals-API offers a comprehensive suite of tools for developers. The API's capabilities extend to bid and ask prices, currency conversion, time-series data, and much more, making it an invaluable resource for anyone looking to work with precious metals data.

Key Features and Endpoints

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

Latest Rates Endpoint: Depending on your subscription plan, this endpoint returns real-time exchange rate data for Gold and other metals, updated every 60 minutes or even more frequently. This is essential for applications that require current market prices.
Historical Rates Endpoint: Users can access historical rates for Gold dating back to 2019. By appending a specific date to the API call, developers can retrieve historical price data, which is invaluable for trend analysis and forecasting.
Bid And Ask Endpoint: This feature allows developers to retrieve real-time bid and ask prices for Gold, providing insights into market liquidity and trading opportunities.
Convert Endpoint: The Metals-API includes a currency conversion endpoint, enabling users to convert amounts between different metals or to/from USD. This is particularly useful for applications that require multi-currency support.
Time-Series Endpoint: This endpoint allows users to query daily historical rates between two specified dates, making it easier to analyze trends over time.
Fluctuation Endpoint: Developers can track how Gold prices fluctuate between two dates, providing insights into market volatility.
Carat Endpoint: This unique feature allows users to retrieve Gold rates based on carat weight, catering to jewelers and other businesses that require precise measurements.
Lowest/Highest Price Endpoint: Users can query the API to find the lowest and highest prices for Gold over a specified period, aiding in investment decisions.
Open/High/Low/Close (OHLC) Price Endpoint: This endpoint provides open, high, low, and close prices for Gold, essential for technical analysis.
Historical LME Endpoint: For those interested in LME symbols, this endpoint provides historical rates dating back to 2008.

Each of these endpoints is designed to provide developers with the flexibility and functionality needed to create robust applications that leverage precious metals data. The API responses are delivered in a structured JSON format, making it easy to parse and integrate into various programming environments.

API Endpoint Examples and Responses

To illustrate the capabilities of the Metals-API, let's explore some example responses for key endpoints:

Latest Rates Endpoint

{
    "success": true,
    "timestamp": 1757811679,
    "base": "USD",
    "date": "2025-09-14",
    "rates": {
        "XAU": 0.000482,
        "XAG": 0.03815,
        "XPT": 0.000912,
        "XPD": 0.000744
    },
    "unit": "per troy ounce"
}

This response provides the latest exchange rates for Gold (XAU) and other metals, with the data relative to USD. The "success" field indicates that the API call was successful, while the "rates" object contains the current prices for each metal.

Historical Rates Endpoint

{
    "success": true,
    "timestamp": 1757725279,
    "base": "USD",
    "date": "2025-09-13",
    "rates": {
        "XAU": 0.000485,
        "XAG": 0.03825,
        "XPT": 0.000915,
        "XPD": 0.000748
    },
    "unit": "per troy ounce"
}

This example shows a successful query for historical rates, providing the exchange rate for Gold on a specific date. Developers can use this data for analysis and reporting purposes.

Time-series Endpoint

{
    "success": true,
    "timeseries": true,
    "start_date": "2025-09-07",
    "end_date": "2025-09-14",
    "base": "USD",
    "rates": {
        "2025-09-07": {
            "XAU": 0.000485,
            "XAG": 0.03825,
            "XPT": 0.000915
        },
        "2025-09-09": {
            "XAU": 0.000483,
            "XAG": 0.0382,
            "XPT": 0.000913
        },
        "2025-09-14": {
            "XAU": 0.000482,
            "XAG": 0.03815,
            "XPT": 0.000912
        }
    },
    "unit": "per troy ounce"
}

The time-series endpoint response provides daily rates for Gold over a specified period, allowing developers to visualize trends and fluctuations in the market.

Convert Endpoint

{
    "success": true,
    "query": {
        "from": "USD",
        "to": "XAU",
        "amount": 1000
    },
    "info": {
        "timestamp": 1757811679,
        "rate": 0.000482
    },
    "result": 0.482,
    "unit": "troy ounces"
}

This response illustrates how the convert endpoint works, showing the conversion of an amount from USD to Gold (XAU). The "result" field indicates the equivalent amount in troy ounces.

Fluctuation Endpoint

{
    "success": true,
    "fluctuation": true,
    "start_date": "2025-09-07",
    "end_date": "2025-09-14",
    "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 how Gold prices have fluctuated over a specific period, detailing both the absolute change and the percentage change.

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

{
    "success": true,
    "timestamp": 1757811679,
    "base": "USD",
    "date": "2025-09-14",
    "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"
}

The OHLC endpoint provides critical data for traders and analysts, allowing them to assess market performance over a specific time frame.

Bid/Ask Endpoint

{
    "success": true,
    "timestamp": 1757811679,
    "base": "USD",
    "date": "2025-09-14",
    "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 the current bid and ask prices for Gold, which is essential for traders looking to enter or exit positions in the market.

Conclusion

The Metals-API is a powerful resource for developers looking to access real-time and historical data for Gold and other precious metals. By leveraging its extensive features and endpoints, developers can create applications that provide valuable insights into market trends and price movements. The ability to query historical prices, track fluctuations, and convert between different metals makes the Metals-API an indispensable tool in the financial technology landscape.

As the digital transformation of precious metals continues, APIs like Metals-API will play a crucial role in shaping the future of trading and investment. Whether you are building a trading platform, a market analysis tool, or a financial reporting application, the Metals-API offers the capabilities you need to succeed.

For more information on how to get started, visit the Metals-API Documentation and explore the Metals-API Supported Symbols to find the data you need. Embrace the future of precious metals trading with the power of real-time data at your fingertips.

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Query Gold May 2026 (GCK26) Historical Prices through this API