Explore How to Get Kolkata Gold 18k (KOLK-18k) Historical Prices using this API

In the ever-evolving landscape of financial technology, the demand for accurate and real-time data has never been more critical, especially in the precious metals market. One of the most sought-after metals is gold, represented by the symbol XAU. As investors and developers alike seek to harness the power of data analytics and market insights, the ability to access historical prices for gold, such as Kolkata Gold 18k (KOLK-18k), becomes paramount. This blog post will explore how to obtain historical prices using the Metals-API, a robust tool designed for developers looking to integrate real-time metals data into their applications.

Understanding Gold (XAU) in the Digital Age

Gold has long been a symbol of wealth and stability, but in today's digital world, it is also a focal point for innovation and technology integration. The digital transformation in precious metals trading has opened new avenues for data analytics and market insights. By leveraging advanced technologies, traders can make informed decisions based on real-time data, historical trends, and predictive analytics.

The integration of technology in trading has revolutionized price discovery. With the Metals-API, developers can access a wealth of information about gold prices, including historical data dating back to 2019. This capability allows for comprehensive analysis and understanding of market movements, enabling traders to capitalize on fluctuations and trends.

API Overview

The Metals-API is a powerful tool that provides developers with access to real-time and historical data for various metals, including gold, silver, platinum, and palladium. The API's capabilities empower developers to build next-generation applications that can analyze market trends, track price fluctuations, and convert currencies seamlessly.

For those interested in exploring the full potential of the Metals-API, the Metals-API Documentation offers comprehensive guidance on how to utilize its features effectively. The API supports a variety of endpoints, each designed to cater to specific needs, from retrieving the latest rates to accessing historical data.

Key Features of Metals-API

The Metals-API offers a range of endpoints that provide valuable functionalities for developers:

• Latest Rates Endpoint: Depending on your subscription plan, this endpoint returns real-time exchange rate data updated every 60 minutes or every 10 minutes. This is crucial for traders who need the most current information to make timely decisions.
• Historical Rates Endpoint: Access historical rates for most currencies dating back to 2019. By appending a specific date to your query, you can retrieve past prices, which is essential for trend analysis and forecasting.
• Bid and Ask Endpoint: This feature allows you to retrieve real-time bid and ask prices, providing insights into market liquidity and pricing dynamics.
• Convert Endpoint: Easily convert any amount from one currency to another, facilitating transactions and analysis across different currencies.
• Time-Series Endpoint: Query the API for daily historical rates between two dates of your choice, enabling in-depth analysis of price movements over time.
• Fluctuation Endpoint: Retrieve information about how currencies fluctuate on a day-to-day basis, which is vital for understanding market volatility.
• Carat Endpoint: Get information about gold rates by carat, allowing for precise calculations based on purity.
• Lowest/Highest Price Endpoint: Query the API to get the lowest and highest price for a specific date, which can help in identifying market extremes.
• Open/High/Low/Close (OHLC) Price Endpoint: Access open, high, low, and close prices for a specific date, providing a comprehensive view of market performance.
• Historical LME Endpoint: Access historical rates for LME symbols dating back to 2008, which is beneficial for traders focused on industrial metals.
• API Key: Your unique API key is essential for accessing the API and should be included in your requests.
• API Response: Exchange rates are delivered relative to USD by default, ensuring consistency in data interpretation.
• Available Endpoints: The API features 14 endpoints, each providing different functionalities to cater to diverse needs.
• Supported Symbols Endpoint: This endpoint returns all available currencies, allowing developers to stay updated on the latest offerings.
• News Endpoint: Retrieve the latest news articles related to various metals, keeping you informed about market developments.

Exploring API Endpoint Examples

To illustrate the capabilities of the Metals-API, let's delve into some example responses from key endpoints:

Latest Rates Endpoint

Get real-time exchange rates for all available metals:

{
"success": true,
"timestamp": 1771978898,
"base": "USD",
"date": "2026-02-25",
"rates": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912,
"XPD": 0.000744
},
"unit": "per troy ounce"
}

Historical Rates Endpoint

Access historical exchange rates for any date since 1999:

{
"success": true,
"timestamp": 1771892498,
"base": "USD",
"date": "2026-02-24",
"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": "2026-02-18",
"end_date": "2026-02-25",
"base": "USD",
"rates": {
"2026-02-18": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-02-20": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-02-25": {
"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": 1771978898,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Fluctuation Endpoint

Track rate fluctuations between two dates:

{
"success": true,
"fluctuation": true,
"start_date": "2026-02-18",
"end_date": "2026-02-25",
"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": 1771978898,
"base": "USD",
"date": "2026-02-25",
"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": 1771978898,
"base": "USD",
"date": "2026-02-25",
"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"
}

Common Use Cases for Metals-API

The Metals-API can be utilized in various scenarios, including:

• Investment Analysis: Investors can use historical price data to analyze trends and make informed decisions about buying or selling gold.
• Market Research: Researchers can access real-time and historical data to study market dynamics and price movements.
• Trading Algorithms: Developers can integrate the API into trading platforms to automate trading strategies based on real-time data.
• Financial Reporting: Companies can utilize the API to generate reports on metal prices for financial analysis and forecasting.

Conclusion

In conclusion, the Metals-API offers a comprehensive solution for accessing real-time and historical data on precious metals, including gold (XAU). By leveraging its various endpoints, developers can create powerful applications that provide valuable insights into market trends and price fluctuations. Whether you are an investor, researcher, or developer, the Metals-API equips you with the tools necessary to navigate the complexities of the precious metals market.

For more information on the API's capabilities, visit the Metals-API Website or check out the Metals-API Documentation for detailed guidance on implementation. To explore the full range of supported symbols, refer to the Metals-API Supported Symbols page.