Fetch Guwahati Gold 18k (GUWA-18k) Historical Prices using this API

Introduction

In the ever-evolving landscape of financial markets, the demand for accurate and timely data has never been greater. For developers and traders interested in precious metals, the ability to fetch historical prices for Gold (XAU) is crucial. This blog post will explore how to retrieve historical prices for Guwahati Gold 18k (GUWA-18k) using the Metals-API. We will delve into the capabilities of the Metals-API, its innovative features, and how it empowers developers to create next-generation applications that leverage real-time metals data.

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 of precious metals trading has opened new avenues for investors and developers alike. The integration of data analytics and market insights has revolutionized how traders approach the gold market. With the advent of technology, price discovery has become more efficient, allowing for better-informed trading decisions.

As the market for digital assets continues to grow, the need for reliable data sources becomes paramount. The Metals-API provides a robust solution for accessing real-time and historical gold prices, enabling developers to build applications that can analyze trends, forecast prices, and optimize trading strategies.

Metals-API Overview

The Metals-API is a powerful JSON API that provides access to a wide range of metal prices, including Gold (XAU), Silver (XAG), Platinum (XPT), and Palladium (XPD). This API is designed to cater to the needs of developers, offering a comprehensive suite of endpoints that deliver real-time and historical data. With the Metals-API, users can easily integrate metal price data into their applications, allowing for enhanced decision-making and trading strategies.

Key Features of Metals-API

The Metals-API boasts several key features that make it an invaluable tool for developers:

• Latest Rates Endpoint: Depending on your subscription plan, this endpoint provides real-time exchange rate data updated every 60 minutes, every 10 minutes, or even more frequently. This ensures that traders have access to the most current market information.
• Historical Rates Endpoint: Historical rates are available for most currencies dating back to 2019. Developers can query the Metals-API for historical rates by appending a specific date, allowing for in-depth analysis of price trends over time.
• Bid and Ask Endpoint: This feature enables users to retrieve real-time bid and ask prices, providing insights into market liquidity and pricing dynamics.
• Convert Endpoint: The API includes a currency conversion endpoint, allowing users to convert any amount from one metal to another or to/from USD, facilitating seamless transactions.
• Time-Series Endpoint: Users can query the API for daily historical rates between two dates of their choice, enabling detailed analysis of price movements over specific periods.
• Fluctuation Endpoint: This endpoint provides information about how currencies fluctuate on a day-to-day basis, helping traders understand market volatility.
• Carat Endpoint: Users can retrieve information about Gold rates by carat, which is essential for jewelers and consumers looking to buy or sell gold jewelry.
• Lowest/Highest Price Endpoint: This feature allows users to query the API to get the lowest and highest price for a specified date, providing insights into market extremes.
• Open/High/Low/Close (OHLC) Price Endpoint: Users can access open, high, low, and close prices for a specific date, 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 long-term view of metal prices.
• API Key: Each user is assigned a unique API key that must be included in requests to authenticate access to the API.
• API Response: The API delivers exchange rates relative to USD by default, ensuring consistency in data representation.
• Supported Symbols Endpoint: This endpoint returns all available currencies, allowing developers to easily identify the symbols they can work with.
• News Endpoint: Users can retrieve the latest news articles related to various metals, keeping them informed about market developments.

Fetching Historical Prices for Gold (XAU)

To fetch historical prices for Gold (XAU), developers can utilize the Historical Rates Endpoint. This endpoint allows users to specify a date and retrieve the corresponding price for that date. For example, if you want to know the price of Gold on November 17, 2025, you would make a request to the API with the appropriate parameters.

{
    "success": true,
    "timestamp": 1763373654,
    "base": "USD",
    "date": "2025-11-17",
    "rates": {
        "XAU": 0.000485,
        "XAG": 0.03825,
        "XPT": 0.000915,
        "XPD": 0.000748
    },
    "unit": "per troy ounce"
}

The response includes the success status, timestamp, base currency, date of the rates, and the rates for various metals, including Gold (XAU). The price is expressed in terms of troy ounces, which is the standard measurement for precious metals.

Time-Series Analysis

For a more comprehensive analysis, developers can utilize the Time-Series Endpoint to retrieve exchange rates for a specific time period. This is particularly useful for analyzing trends and making informed trading decisions based on historical data.

{
    "success": true,
    "timeseries": true,
    "start_date": "2025-11-11",
    "end_date": "2025-11-18",
    "base": "USD",
    "rates": {
        "2025-11-11": {
            "XAU": 0.000485,
            "XAG": 0.03825,
            "XPT": 0.000915
        },
        "2025-11-13": {
            "XAU": 0.000483,
            "XAG": 0.0382,
            "XPT": 0.000913
        },
        "2025-11-18": {
            "XAU": 0.000482,
            "XAG": 0.03815,
            "XPT": 0.000912
        }
    },
    "unit": "per troy ounce"
}

This response provides daily rates for Gold over the specified period, allowing developers to visualize price movements and identify patterns. Such insights can be invaluable for traders looking to optimize their strategies.

Bid and Ask Prices

The Bid and Ask Endpoint is another critical feature of the Metals-API. It allows users to retrieve the current bid and ask prices for Gold and other metals. This information is essential for traders who need to understand market liquidity and pricing dynamics.

{
    "success": true,
    "timestamp": 1763460054,
    "base": "USD",
    "date": "2025-11-18",
    "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 price represents the maximum price that a buyer is willing to pay for Gold, while the ask price is the minimum price that a seller is willing to accept. The spread indicates the difference between these two prices, providing insights into market conditions.

Conversion Capabilities

The Convert Endpoint is a valuable feature that allows users to convert any amount from one metal to another or to/from USD. This is particularly useful for traders who operate in multiple currencies or need to calculate the equivalent value of their holdings in different metals.

{
    "success": true,
    "query": {
        "from": "USD",
        "to": "XAU",
        "amount": 1000
    },
    "info": {
        "timestamp": 1763460054,
        "rate": 0.000482
    },
    "result": 0.482,
    "unit": "troy ounces"
}

In this example, the API converts 1000 USD to its equivalent in Gold (XAU), providing the result in troy ounces. This functionality is essential for traders looking to assess their positions across different metals and currencies.

Fluctuation Tracking

The Fluctuation Endpoint allows users to track rate fluctuations between two dates. This feature is particularly useful for understanding market volatility and making informed trading decisions based on historical price movements.

{
    "success": true,
    "fluctuation": true,
    "start_date": "2025-11-11",
    "end_date": "2025-11-18",
    "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 response provides the starting and ending rates for Gold over the specified period, along with the change in price and percentage change. Such insights are invaluable for traders looking to capitalize on market movements.

Open/High/Low/Close (OHLC) Data

The Open/High/Low/Close (OHLC) Price Endpoint provides users with essential price data for a specific time period. This information is crucial for technical analysis and helps traders make informed decisions based on historical price patterns.

{
    "success": true,
    "timestamp": 1763460054,
    "base": "USD",
    "date": "2025-11-18",
    "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 data provides a comprehensive view of price movements throughout the day, allowing traders to analyze trends and make informed decisions based on historical performance.

Conclusion

The Metals-API is a powerful tool for developers looking to access real-time and historical data for precious metals, particularly Gold (XAU). With its comprehensive suite of endpoints, the API enables users to fetch historical prices, track fluctuations, and perform conversions seamlessly. By leveraging the capabilities of the Metals-API, developers can create innovative applications that provide valuable insights into the precious metals market.

For more information on how to get started with the Metals-API, refer to the Metals-API Documentation and explore the Metals-API Supported Symbols for a complete list of available metal symbols. The Metals-API Website is also a valuable resource for understanding the full range of features and capabilities offered by this innovative API.