Collect Daily Historical Prices for Kolkata Gold 18k (KOLK-18k) using this API

In today's digital age, the demand for accurate and timely data is paramount, especially in the financial sector. For those interested in tracking the historical prices of gold, particularly Kolkata Gold 18k (KOLK-18k), the Metals-API offers a robust solution. This API provides developers with the tools necessary to access real-time and historical data on precious metals, enabling them to build applications that can analyze market trends, facilitate trading, and enhance investment strategies.

About Gold (XAU)

Gold has long been regarded as a safe haven asset, a store of value, and a hedge against inflation. The digital transformation in the precious metals market has revolutionized how investors and traders interact with gold. With the integration of data analytics and technology, market insights have become more accessible, allowing for informed decision-making. The Metals-API plays a crucial role in this transformation, providing real-time data that empowers developers to create innovative applications for price discovery and trading.

As the market for digital assets continues to grow, the importance of accurate gold pricing cannot be overstated. The Metals-API enables users to access a wealth of information, including the latest rates, historical prices, and fluctuations, all of which are essential for making strategic investment decisions. By leveraging this API, developers can create solutions that not only track gold prices but also analyze trends and predict future movements.

API Description

The Metals-API is designed to provide comprehensive data on various metals, including gold (XAU), silver (XAG), platinum (XPT), and palladium (XPD). This API is a powerful tool for developers looking to build next-generation applications that require real-time metals data. With its innovative capabilities, the Metals-API allows users to access a wide range of endpoints that cater to different data needs.

For instance, the API's Latest Rates Endpoint provides real-time exchange rate data, updated every 60 minutes or more frequently, depending on the subscription plan. This feature is essential for traders who need to stay informed about the latest market movements. Additionally, the Historical Rates Endpoint allows users to query historical rates dating back to 2019, making it easier to analyze past performance and trends.

Another significant feature is the Time-Series Endpoint, which enables users to retrieve daily historical rates between two specified dates. This is particularly useful for developers looking to create applications that visualize price trends over time. Furthermore, the Fluctuation Endpoint provides insights into how prices fluctuate on a day-to-day basis, allowing for a deeper understanding of market dynamics.

Key Features and Endpoints

The Metals-API offers a variety of endpoints that cater to different data needs:

Latest Rates Endpoint: Get real-time exchange rates for all available metals. This endpoint is crucial for traders who need up-to-date information to make informed decisions.
Historical Rates Endpoint: Access historical exchange rates for any date since 1999. This feature is invaluable for analyzing past market performance.
Bid And Ask Endpoint: Retrieve real-time bid and ask prices for metals, providing insights into current market conditions.
Convert Endpoint: Convert any amount from one metal to another or to/from USD, facilitating easy calculations for traders and investors.
Time-Series Endpoint: Query the API for daily historical rates between two dates, allowing for trend analysis over specific periods.
Fluctuation Endpoint: Track rate fluctuations between two dates, providing insights into market volatility.
Carat Endpoint: Retrieve information about gold rates by carat, which is essential for jewelers and consumers alike.
Lowest/Highest Price Endpoint: Query the API to get the lowest and highest price for a specified date, helping traders identify market extremes.
Open/High/Low/Close (OHLC) Price Endpoint: Get 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, providing additional data for market analysis.
API Key: Your unique key for accessing the API, ensuring secure and authorized usage.
API Response: Exchange rates are delivered relative to USD, with all data returned in a structured format for easy integration.
Available Endpoints: The API comes with 14 endpoints, each providing different functionalities to meet diverse data needs.
Supported Symbols Endpoint: Access a constantly updated list of all available currencies, ensuring you have the latest information.
News Endpoint: Retrieve the latest news articles related to various metals, keeping you informed about market developments.

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 metals into their applications.

API Endpoint Examples and Responses

Understanding the API's response structure is crucial for effective integration. Below are examples of various endpoints and their corresponding JSON responses:

Latest Rates Endpoint

{
"success": true,
"timestamp": 1770164237,
"base": "USD",
"date": "2026-02-04",
"rates": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912,
"XPD": 0.000744
},
"unit": "per troy ounce"
}

This response indicates that the latest gold price (XAU) is 0.000482 per troy ounce, providing a snapshot of the current market.

Historical Rates Endpoint

{
"success": true,
"timestamp": 1770077837,
"base": "USD",
"date": "2026-02-03",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915,
"XPD": 0.000748
},
"unit": "per troy ounce"
}

This example shows historical rates for a specific date, allowing developers to analyze past performance and trends.

Time-series Endpoint

{
"success": true,
"timeseries": true,
"start_date": "2026-01-28",
"end_date": "2026-02-04",
"base": "USD",
"rates": {
"2026-01-28": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-01-30": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-02-04": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912
}
},
"unit": "per troy ounce"
}

This response provides a time series of rates, which is essential for visualizing trends over time.

Convert Endpoint

{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1770164237,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

The Convert Endpoint allows users to convert amounts between different metals, facilitating easy calculations for traders.

Fluctuation Endpoint

{
"success": true,
"fluctuation": true,
"start_date": "2026-01-28",
"end_date": "2026-02-04",
"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 tracks fluctuations, providing insights into market volatility and helping traders make informed decisions.

OHLC (Open/High/Low/Close) Endpoint

{
"success": true,
"timestamp": 1770164237,
"base": "USD",
"date": "2026-02-04",
"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 is crucial for technical analysis, allowing traders to assess market trends and make predictions based on historical performance.

Bid/Ask Endpoint

{
"success": true,
"timestamp": 1770164237,
"base": "USD",
"date": "2026-02-04",
"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 endpoint provides current bid and ask prices, which are essential for traders looking to execute orders at the best possible prices.

Conclusion

The Metals-API is an invaluable resource for developers looking to access real-time and historical data on precious metals, including Kolkata Gold 18k (KOLK-18k). With its comprehensive range of endpoints, the API empowers users to build applications that can analyze market trends, facilitate trading, and enhance investment strategies. By leveraging the capabilities of the Metals-API, developers can create innovative solutions that provide insights into the precious metals market, ultimately leading to more informed decision-making.

For more information on how to integrate this powerful API into your applications, refer to the Metals-API Documentation. Additionally, explore the Metals-API Supported Symbols page for a complete list of available metal symbols. With the right tools and data at your fingertips, you can harness the power of the Metals-API to stay ahead in the dynamic world of precious metals trading.

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Collect Daily Historical Prices for Kolkata Gold 18k (KOLK-18k) using this API