Query Gold Sep 2025 (GCU25) Historical Prices utilizing this API

Query Gold Sep 2025 (GCU25) Historical Prices Utilizing Metals-API

In the ever-evolving landscape of precious metals trading, the ability to access historical prices for Gold (XAU) is crucial for investors, traders, and developers alike. The Metals-API provides a robust platform for querying historical prices, enabling users to harness the power of real-time data analytics and market insights. This blog post will delve into the intricacies of querying historical prices for Gold, exploring the innovative capabilities of the Metals-API, and providing actionable insights for developers looking to integrate this powerful tool into their applications.

About Gold (XAU)

Gold has long been regarded as a safe-haven asset, a hedge against inflation, and a store of value. In recent years, the digital transformation in precious metals has revolutionized how investors access and analyze market data. The integration of technology in trading has enabled more sophisticated data analytics, allowing market participants to make informed decisions based on real-time insights.

As the demand for digital asset solutions grows, the need for accurate and timely price discovery becomes paramount. The Metals-API stands at the forefront of this transformation, offering developers the tools necessary to build next-generation applications that leverage historical price data and market trends. By utilizing the Metals-API, users can gain a deeper understanding of market dynamics, track price fluctuations, and make data-driven investment decisions.

Metals-API Overview

The Metals-API is a powerful JSON API that provides access to real-time and historical prices for various metals, including Gold (XAU). With a focus on innovation and technological advancement, the API empowers developers to create applications that can respond to market changes in real-time. The API offers a range of endpoints, each designed to fulfill specific data needs, from retrieving the latest rates to accessing historical data dating back to 2019.

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 and traders have access to the most current information, allowing for timely decision-making in a fast-paced market environment.

Key Features and Endpoints

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

• Latest Rates Endpoint: This endpoint provides real-time exchange rate data for various metals, updated every 60 minutes, 10 minutes, or even more frequently, depending on the subscription plan. This is essential for traders who need the latest market prices to make informed decisions.
• Historical Rates Endpoint: Users can access historical rates for most currencies dating back to 2019. By appending a specific date to the API request, developers can retrieve past prices, which is invaluable for trend analysis and forecasting.
• Bid and Ask Endpoint: This feature allows users to retrieve real-time bid and ask prices for metals, providing insights into market liquidity and pricing dynamics.
• Convert Endpoint: The Metals-API includes a currency conversion endpoint, enabling users to convert amounts from one metal to another or to/from USD. This is particularly useful for traders dealing in multiple currencies.
• Time-Series Endpoint: This endpoint allows users to query daily historical rates between two specified dates, facilitating in-depth analysis of price movements over time.
• Fluctuation Endpoint: Users can track how metal prices fluctuate on a day-to-day basis, providing insights into market volatility and trends.
• Carat Endpoint: This feature enables users to retrieve Gold rates by carat, which is essential for jewelers and those in the jewelry industry.
• Lowest/Highest Price Endpoint: This endpoint allows users to query the API for the lowest and highest prices of metals over a specified period, aiding in market analysis.
• Open/High/Low/Close (OHLC) Price Endpoint: Users can obtain the open, high, low, and close prices for a specific time period, which is crucial for technical analysis.
• Historical LME Endpoint: This endpoint provides access to historical rates for LME symbols dating back to 2008, offering a comprehensive view of market trends.
• API Key: Each user is assigned a unique API key, which must be included in the API requests to authenticate and authorize access to the data.
• API Response: The Metals-API delivers exchange rates relative to USD by default, ensuring consistency in data interpretation.
• Supported Symbols Endpoint: This endpoint provides a constantly updated list of all available currencies and metals, ensuring users have access to the latest symbols.
• News Endpoint: Users can retrieve the latest news articles related to various metals, keeping them informed about market developments.

API Endpoint Examples and Responses

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

Latest Rates Endpoint

{
    "success": true,
    "timestamp": 1762052504,
    "base": "USD",
    "date": "2025-11-02",
    "rates": {
        "XAU": 0.000482,
        "XAG": 0.03815,
        "XPT": 0.000912,
        "XPD": 0.000744
    },
    "unit": "per troy ounce"
}

This response indicates the latest exchange rates for Gold (XAU) and other metals, providing a snapshot of the current market conditions.

Historical Rates Endpoint

{
    "success": true,
    "timestamp": 1761966104,
    "base": "USD",
    "date": "2025-11-01",
    "rates": {
        "XAU": 0.000485,
        "XAG": 0.03825,
        "XPT": 0.000915,
        "XPD": 0.000748
    },
    "unit": "per troy ounce"
}

By querying the historical rates endpoint, users can access past prices for Gold and other metals, which is essential for conducting market analysis and identifying trends.

Time-Series Endpoint

{
    "success": true,
    "timeseries": true,
    "start_date": "2025-10-26",
    "end_date": "2025-11-02",
    "base": "USD",
    "rates": {
        "2025-10-26": {
            "XAU": 0.000485,
            "XAG": 0.03825,
            "XPT": 0.000915
        },
        "2025-10-28": {
            "XAU": 0.000483,
            "XAG": 0.0382,
            "XPT": 0.000913
        },
        "2025-11-02": {
            "XAU": 0.000482,
            "XAG": 0.03815,
            "XPT": 0.000912
        }
    },
    "unit": "per troy ounce"
}

The time-series endpoint allows users to analyze price movements over a specified period, providing valuable insights into market trends.

Convert Endpoint

{
    "success": true,
    "query": {
        "from": "USD",
        "to": "XAU",
        "amount": 1000
    },
    "info": {
        "timestamp": 1762052504,
        "rate": 0.000482
    },
    "result": 0.482,
    "unit": "troy ounces"
}

This example demonstrates how users can convert an amount from USD to Gold (XAU), showcasing the versatility of the API in handling different currencies and metals.

Fluctuation Endpoint

{
    "success": true,
    "fluctuation": true,
    "start_date": "2025-10-26",
    "end_date": "2025-11-02",
    "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"
}

The fluctuation endpoint provides insights into how prices change over time, which is crucial for traders looking to capitalize on market movements.

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

{
    "success": true,
    "timestamp": 1762052504,
    "base": "USD",
    "date": "2025-11-02",
    "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 is essential for technical analysis, providing traders with the necessary data to evaluate market performance over a specific period.

Bid/Ask Endpoint

{
    "success": true,
    "timestamp": 1762052504,
    "base": "USD",
    "date": "2025-11-02",
    "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"
}

The bid/ask endpoint provides crucial information for traders, allowing them to understand market liquidity and make informed trading decisions.

Conclusion

In conclusion, the Metals-API offers a comprehensive suite of tools for querying historical prices of Gold (XAU) and other metals. By leveraging the API's capabilities, developers can create powerful applications that provide real-time insights and analytics, enabling users to make informed decisions in the precious metals market. The integration of technology in trading has transformed the landscape, and the Metals-API stands as a testament to this evolution.

For more information on how to utilize the Metals-API effectively, be sure to explore the Metals-API Documentation and the Metals-API Supported Symbols page. With the right tools and knowledge, you can harness the power of historical price data to enhance your trading strategies and achieve your investment goals.