The Easiest Way to Get Coimbatore Gold 18k (COIM-18k) Historical Rates through JSON APIs

In today's digital age, accessing historical prices for precious metals like Gold (XAU) has become easier than ever, thanks to the advent of APIs. One such powerful tool is the Metals-API, which provides developers with real-time and historical data on various metals, including Gold. This blog post will guide you through the process of retrieving historical Gold prices using the Metals-API, focusing on its features, endpoints, and practical applications.

About Gold (XAU)

Gold has always been a symbol of wealth and stability. In recent years, the digital transformation in precious metals trading has revolutionized how investors and developers interact with market data. By leveraging data analytics and market insights, developers can create applications that provide real-time updates and historical trends in Gold prices. The integration of technology in trading has led to innovative solutions for price discovery and digital asset management.

API Description

The Metals-API is a comprehensive JSON API that offers a wide range of functionalities for accessing metals prices and currency conversion. It empowers developers to build next-generation applications that can analyze historical trends, track real-time fluctuations, and convert between various currencies. The API is designed with a focus on innovation and technological advancement, making it an essential tool for anyone looking to work with precious metals data.

For more detailed information, you can refer to the Metals-API Documentation, which provides extensive guidance on how to utilize the API effectively.

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, 10 minutes, or even more frequently, depending on your subscription plan.
Historical Rates Endpoint: Access historical rates for most currencies dating back to 2019. You can query the API for historical rates by appending a date in the format YYYY-MM-DD.
Bid And Ask Endpoint: Retrieve real-time Bid and Ask prices for metals, allowing traders to make informed decisions based on current market conditions.
Convert Endpoint: This feature allows you to convert any amount from one currency to another, making it easy to analyze prices in different markets.
Time-Series Endpoint: Query the API for daily historical rates between two dates of your choice, providing insights into price trends over time.
Fluctuation Endpoint: Track how currencies fluctuate on a day-to-day basis, giving you a clearer picture of market volatility.
Carat Endpoint: Retrieve information about Gold rates by Carat, which is particularly useful for jewelers and traders dealing in various purities.
Lowest/Highest Price Endpoint: Get the lowest and highest price for a specified date, helping you identify market extremes.
Open/High/Low/Close (OHLC) Price Endpoint: Access OHLC data for a specific time period, which is crucial for technical analysis.
Historical LME Endpoint: Access historical rates for LME symbols dating back to 2008, useful for those interested in industrial metals.
API Key: Your unique API key is required to access the API, ensuring secure and authorized usage.
API Response: The API delivers exchange rates relative to USD, with all data returned in a structured JSON format.
Available Endpoints: The Metals-API includes 14 different endpoints, each providing unique functionalities tailored to various needs.
Supported Symbols Endpoint: Access a constantly updated list of all available currencies and metals.

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.

API Endpoint Examples and Responses

To illustrate how to use the Metals-API effectively, let's explore some example endpoints and their corresponding JSON responses.

Latest Rates Endpoint

Get real-time exchange rates for all available metals:

{
"success": true,
"timestamp": 1782817678,
"base": "USD",
"date": "2026-06-30",
"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": 1782731278,
"base": "USD",
"date": "2026-06-29",
"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": "2026-06-23",
"end_date": "2026-06-30",
"base": "USD",
"rates": {
"2026-06-23": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-06-25": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-06-30": {
"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": 1782817678,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Fluctuation Endpoint

Track rate fluctuations between two dates:

{
"success": true,
"fluctuation": true,
"start_date": "2026-06-23",
"end_date": "2026-06-30",
"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": 1782817678,
"base": "USD",
"date": "2026-06-30",
"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": 1782817678,
"base": "USD",
"date": "2026-06-30",
"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

In conclusion, the Metals-API provides a robust and flexible solution for accessing historical Gold prices and other precious metals data. By utilizing its various endpoints, developers can create applications that not only retrieve real-time data but also analyze historical trends, track fluctuations, and convert currencies seamlessly. The API's comprehensive documentation and support for a wide range of symbols make it an invaluable resource for anyone involved in the precious metals market.

For further exploration, consider visiting the Metals-API Documentation for detailed guidance on implementation, or check the Metals-API Supported Symbols page to familiarize yourself with the available options. With the right tools and knowledge, accessing and analyzing Gold historical prices has never been easier.

Ready to use Metals-API?

Try it now!

The Easiest Way to Get Coimbatore Gold 18k (COIM-18k) Historical Rates through JSON APIs