The Easiest Way to Get Kolkata Gold (XAU-KOLK) - Per Ounce Historical Rates through API Access

In today's digital age, the demand for real-time data in the financial markets has never been higher. For those interested in precious metals, particularly gold, accessing historical prices is crucial for making informed trading decisions. The Metals-API provides a robust solution for developers looking to integrate gold price data, including Kolkata Gold (XAU-KOLK), into their applications. This blog post will guide you through the process of retrieving historical prices for gold using the Metals-API, detailing the various endpoints, parameters, and data formats available.

About Gold (XAU)

Gold, represented by the symbol XAU, is one of the most sought-after precious metals in the world. Its value is influenced by various factors, including market demand, geopolitical stability, and economic indicators. The digital transformation in precious metals trading has opened new avenues for data analytics and market insights. By leveraging technology, traders can gain a competitive edge in price discovery and make informed decisions based on real-time data.

The integration of advanced data analytics tools allows traders to analyze historical trends, forecast future prices, and optimize their trading strategies. With the rise of digital asset solutions, the accessibility of gold price data has become paramount for both individual investors and institutional traders. The Metals-API stands at the forefront of this transformation, empowering developers to build next-generation applications that harness the power of real-time metals data.

API Description

The Metals-API is a comprehensive JSON API that provides access to real-time and historical prices for various metals, including gold, silver, platinum, and palladium. This API is designed to facilitate seamless integration into applications, enabling developers to retrieve and utilize precious metals data effectively. With a focus on innovation and technological advancement, the Metals-API offers a range of endpoints that cater to different data needs.

For more information, you can visit the Metals-API Website or check the Metals-API Documentation for detailed guidance on implementation.

Key Features and Endpoints

The Metals-API offers several key features that developers can leverage to access gold price data effectively. Below are some of the most important endpoints and their functionalities:

Latest Rates Endpoint: This endpoint provides real-time exchange rate data for gold and other metals. Depending on your subscription plan, the API updates this data every 60 minutes or every 10 minutes. This feature is essential for traders who need up-to-the-minute information to make quick decisions.
Historical Rates Endpoint: Access historical rates for gold dating back to 2019. By appending a specific date to the endpoint, developers can retrieve past prices, which is crucial for trend analysis and forecasting.
Bid And Ask Endpoint: This powerful feature allows users to retrieve real-time bid and ask prices for gold. Understanding the spread between these prices is vital for traders looking to optimize their entry and exit points.
Convert Endpoint: The conversion endpoint enables users to convert any amount 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 the API for daily historical rates between two dates of their choice. It is beneficial for analyzing price movements over specific periods.
Fluctuation Endpoint: Track how gold prices fluctuate on a day-to-day basis. This endpoint provides insights into market volatility, helping traders manage risk effectively.
Carat Endpoint: Retrieve information about gold rates by carat. This feature is particularly useful for jewelers and those involved in the jewelry market.
Lowest/Highest Price Endpoint: Query the API to get the lowest and highest price of gold for a specified date. This information is crucial for understanding market extremes.
Open/High/Low/Close (OHLC) Price Endpoint: This endpoint provides the open, high, low, and close prices for gold over a specified period, allowing traders to analyze market trends effectively.
Historical LME Endpoint: Access historical rates for LME symbols dating back to 2008. This is particularly useful for traders interested in industrial metals.
API Key: Your unique API key is essential for accessing the Metals-API. It must be included in the API base URL's access_key parameter to authenticate your requests.
API Response: The API delivers exchange rates relative to USD by default. All data is returned in a structured JSON format, making it easy to parse and utilize in applications.
Available Endpoints: The Metals-API includes 14 different endpoints, each providing unique functionalities tailored to various data needs.
Supported Symbols Endpoint: This endpoint returns a constantly updated list of all available currencies and metals, ensuring developers have access to the latest information.
News Endpoint: Retrieve the latest news articles related to various metals, providing context and insights into market movements.

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 metal data into their applications.

API Endpoint Examples and Responses

To illustrate how to use the Metals-API effectively, here are some example responses for various endpoints:

Latest Rates Endpoint

Get real-time exchange rates for all available metals:

{
    "success": true,
    "timestamp": 1763985665,
    "base": "USD",
    "date": "2025-11-24",
    "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": 1763899265,
    "base": "USD",
    "date": "2025-11-23",
    "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": "2025-11-17",
    "end_date": "2025-11-24",
    "base": "USD",
    "rates": {
        "2025-11-17": {
            "XAU": 0.000485,
            "XAG": 0.03825,
            "XPT": 0.000915
        },
        "2025-11-19": {
            "XAU": 0.000483,
            "XAG": 0.0382,
            "XPT": 0.000913
        },
        "2025-11-24": {
            "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": 1763985665,
        "rate": 0.000482
    },
    "result": 0.482,
    "unit": "troy ounces"
}

Fluctuation Endpoint

Track rate fluctuations between two dates:

{
    "success": true,
    "fluctuation": true,
    "start_date": "2025-11-17",
    "end_date": "2025-11-24",
    "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) Endpoint

Get OHLC data for a specific time period:

{
    "success": true,
    "timestamp": 1763985665,
    "base": "USD",
    "date": "2025-11-24",
    "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": 1763985665,
    "base": "USD",
    "date": "2025-11-24",
    "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 historical gold prices through the Metals-API is a straightforward process that can significantly enhance your trading strategies. By utilizing the various endpoints available, developers can retrieve real-time and historical data, analyze trends, and make informed decisions. The API's capabilities, such as the Latest Rates, Historical Rates, and Time-Series endpoints, provide a comprehensive toolkit for anyone involved in precious metals trading.

As the market continues to evolve, the integration of advanced data analytics and technology will play a crucial role in shaping the future of trading. The Metals-API stands as a powerful resource for developers looking to harness the potential of real-time metals data. For further details, be sure to explore the Metals-API Documentation and the Metals-API Supported Symbols page to fully understand the capabilities at your disposal.

In summary, whether you are a seasoned trader or a developer looking to build innovative applications, the Metals-API offers the tools necessary to navigate the complexities of the precious metals market effectively. Embrace the digital transformation and leverage the power of real-time data to stay ahead in the competitive landscape of trading.

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The Easiest Way to Get Kolkata Gold (XAU-KOLK) - Per Ounce Historical Rates through API Access