Discover Kolkata Gold 24k (KOLK-24k) prices through this API

In the ever-evolving landscape of precious metals trading, the ability to access real-time data is paramount for developers and traders alike. One such transformative tool is the Metals-API, which provides comprehensive access to gold prices, including the coveted Kolkata Gold 24k (KOLK-24k). This blog post delves into the intricacies of the Metals-API, exploring its features, capabilities, and the profound impact it has on the trading of gold and other precious metals.

Understanding Gold (XAU) in the Digital Age

Gold, represented by the symbol XAU, has long been a symbol of wealth and stability. In recent years, the digital transformation of precious metals has opened new avenues for trading and investment. The integration of technology in trading platforms has enabled real-time data analytics, allowing traders to make informed decisions based on up-to-the-minute market insights.

Data analytics plays a crucial role in understanding market trends and price movements. By leveraging advanced algorithms and machine learning, traders can analyze historical data to predict future price fluctuations. This innovation in price discovery is essential for maximizing returns and minimizing risks in the volatile world of precious metals.

Moreover, the rise of digital asset solutions has made it easier for investors to access gold and other metals. With the Metals-API, developers can create applications that provide users with real-time data, historical trends, and conversion capabilities, all of which are vital for effective trading strategies.

Metals-API: A Gateway to Real-Time Metals Data

The Metals-API Website serves as a comprehensive platform for accessing real-time and historical data on various metals, including gold, silver, platinum, and palladium. The API is designed to empower developers to build next-generation applications that can harness the power of real-time metals data.

One of the standout features of the Metals-API is its ability to provide real-time exchange rate data. Depending on your subscription plan, the API's latest endpoint can return exchange rates updated every 60 minutes, every 10 minutes, or even more frequently. This level of granularity is essential for traders who need to stay ahead of market movements.

Additionally, the API offers a historical rates endpoint, allowing users to access data dating back to 2019. This feature is invaluable for conducting in-depth market analysis and understanding long-term trends. By appending a specific date to the API request, developers can retrieve historical rates for any metal, providing a wealth of data for analysis.

Key Features of the Metals-API

The Metals-API boasts a variety of endpoints, each designed to cater to specific needs within the trading community:

• Latest Rates Endpoint: Retrieve real-time exchange rates for all available metals. This endpoint is crucial for traders looking to make quick decisions based on the latest market data.
• Historical Rates Endpoint: Access historical exchange rates for any date since 2019. This feature allows for extensive market analysis and trend identification.
• Bid and Ask Endpoint: Get current bid and ask prices for metals, providing insight into market liquidity and pricing dynamics.
• Convert Endpoint: Convert any amount from one metal to another or to/from USD, facilitating seamless transactions across different currencies.
• Time-Series Endpoint: Query the API for daily historical rates between two dates, enabling users to analyze price movements over specific periods.
• Fluctuation Endpoint: Track rate fluctuations between two dates, offering insights into market volatility and price trends.
• Carat Endpoint: Retrieve information about gold rates by carat, catering to jewelers and consumers interested in specific gold purities.
• Lowest/Highest Price Endpoint: Query the API to get the lowest and highest price for a specified date, aiding in market analysis.
• Open/High/Low/Close (OHLC) Price Endpoint: Get OHLC data for a specific time period, essential for technical analysis and trading strategies.
• Historical LME Endpoint: Access historical rates for LME symbols dating back to 2008, providing a comprehensive view of market trends.
• API Key: Your unique API key is required to access the API, ensuring secure and authorized usage.
• API Response: Exchange rates are delivered relative to USD, with all data returned in a structured JSON format for easy integration.
• Supported Symbols Endpoint: Access a constantly updated list of all available currencies and metals supported by the API.
• News Endpoint: Retrieve the latest news articles related to various metals, keeping users informed about market developments.

Detailed API Endpoint Documentation

Each endpoint in the Metals-API is designed with specific functionalities to cater to the diverse needs of traders and developers. Below, we explore some of the key endpoints in detail:

Latest Rates Endpoint

The Latest Rates Endpoint provides real-time exchange rates for all available metals. This endpoint is essential for traders who need to make quick decisions based on the latest market data. The response includes a timestamp, base currency, and rates for various metals.

{
"success": true,
"timestamp": 1766196029,
"base": "USD",
"date": "2025-12-20",
"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"
}

In this response, the rates object contains the exchange rates for various metals, allowing traders to quickly assess the market.

Historical Rates Endpoint

The Historical Rates Endpoint allows users to access historical exchange rates for any date since 2019. This feature is invaluable for conducting in-depth market analysis and understanding long-term trends.

{
"success": true,
"timestamp": 1766109629,
"base": "USD",
"date": "2025-12-19",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915,
"XPD": 0.000748
},
"unit": "per troy ounce"
}

The response includes the historical rates for the specified date, allowing traders to analyze price movements over time.

Time-Series Endpoint

The Time-Series Endpoint enables users to query the API for daily historical rates between two dates. This is particularly useful for analyzing price movements over specific periods.

{
"success": true,
"timeseries": true,
"start_date": "2025-12-13",
"end_date": "2025-12-20",
"base": "USD",
"rates": {
"2025-12-13": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2025-12-15": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2025-12-20": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912
}
},
"unit": "per troy ounce"
}

This response provides a time-series view of the rates, allowing traders to identify trends and make informed decisions.

Convert Endpoint

The Convert Endpoint allows users to convert any amount from one metal to another or to/from USD. This feature is essential for facilitating seamless transactions across different currencies.

{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1766196029,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

The response includes the conversion result, allowing users to quickly determine the equivalent amount in the target metal.

Fluctuation Endpoint

The Fluctuation Endpoint tracks rate fluctuations between two dates, offering insights into market volatility and price trends.

{
"success": true,
"fluctuation": true,
"start_date": "2025-12-13",
"end_date": "2025-12-20",
"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 a comprehensive view of how rates have changed over the specified period, allowing traders to assess market dynamics.

Open/High/Low/Close (OHLC) Price Endpoint

The OHLC Price Endpoint provides open, high, low, and close prices for a specific time period, essential for technical analysis and trading strategies.

{
"success": true,
"timestamp": 1766196029,
"base": "USD",
"date": "2025-12-20",
"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"
}

This response provides critical data for traders looking to analyze market performance over a specific period.

Bid/Ask Endpoint

The Bid/Ask Endpoint allows users to get current bid and ask prices for metals, providing insight into market liquidity and pricing dynamics.

{
"success": true,
"timestamp": 1766196029,
"base": "USD",
"date": "2025-12-20",
"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 response provides crucial information for traders looking to understand market dynamics and make informed decisions.

Conclusion

The Metals-API is a powerful tool for developers and traders looking to access real-time and historical data on precious metals. With its comprehensive range of endpoints, the API empowers users to build innovative applications that can harness the power of real-time metals data. By integrating technology into trading strategies, users can gain valuable insights into market trends, optimize their trading decisions, and ultimately enhance their investment strategies.

For more information on how to utilize the Metals-API, refer to the Metals-API Documentation and explore the Metals-API Supported Symbols for a complete list of available metals. Embrace the future of precious metals trading with the Metals-API and unlock the potential of real-time data at your fingertips.