Discover Historical Pricing for Kolkata Gold 24k (KOLK-24k) via this API

Introduction

In the world of precious metals, gold (XAU) stands out as a symbol of wealth and stability. For developers and traders alike, accessing accurate and historical pricing data for gold is crucial for making informed decisions. The Metals-API provides a robust solution for retrieving real-time and historical gold prices, including the ability to track the performance of Kolkata Gold 24k (KOLK-24k). This blog post will delve into the capabilities of the Metals-API, exploring how it empowers developers to harness the power of data analytics and technology integration in the trading of precious metals.

About Gold (XAU)

Gold has long been a cornerstone of financial markets, serving as a hedge against inflation and currency fluctuations. With the rise of digital transformation in the precious metals sector, the demand for accurate and timely data has never been higher. The Metals-API offers a comprehensive suite of tools that enable developers to integrate gold pricing data into their applications seamlessly.

Digital Transformation in Precious Metals

The integration of technology in the precious metals market has revolutionized how traders access and analyze data. With the Metals-API, developers can leverage real-time pricing information, historical data, and market insights to create innovative trading platforms. This digital transformation not only enhances the trading experience but also provides users with the analytical tools necessary to make informed decisions.

Data Analytics and Market Insights

Data analytics plays a pivotal role in understanding market trends and price movements. By utilizing the Metals-API, developers can access a wealth of historical pricing data for gold, enabling them to perform in-depth analyses and generate actionable insights. This capability is essential for traders looking to identify patterns and forecast future price movements.

Technology Integration in Trading

The Metals-API allows for seamless integration with existing trading systems, providing developers with the flexibility to build custom solutions tailored to their specific needs. Whether it's a mobile application or a web-based platform, the API's robust features facilitate the incorporation of real-time and historical data into trading strategies.

Innovation in Price Discovery

Price discovery is a critical aspect of trading, and the Metals-API enhances this process by providing access to the latest rates and historical data. Developers can utilize the API to create tools that help traders understand market dynamics and make informed decisions based on accurate pricing information.

Digital Asset Solutions

As the financial landscape evolves, the need for digital asset solutions becomes increasingly important. The Metals-API offers a comprehensive approach to managing precious metals data, allowing developers to create applications that cater to the growing demand for digital trading solutions.

API Description

The Metals-API is designed to provide developers with a powerful toolset for accessing real-time and historical metals data. With a focus on innovation and technological advancement, the API empowers users to build next-generation applications that leverage the transformative potential of real-time metals data. For detailed information on how to get started, refer to the Metals-API Documentation.

Key Features and Endpoints

The Metals-API offers a variety of endpoints, each designed to provide specific functionalities that cater to the needs of developers and traders. Here are some of the key features:

Latest Rates Endpoint

The Latest Rates Endpoint provides real-time exchange rate data for gold and other metals. Depending on your subscription plan, this endpoint can return updated rates every 60 minutes, every 10 minutes, or even more frequently. This feature is essential for traders who require up-to-the-minute pricing information to make timely decisions.

{
"success": true,
"timestamp": 1777594823,
"base": "USD",
"date": "2026-05-01",
"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

Accessing historical rates is crucial for analyzing trends over time. The Historical Rates Endpoint allows users to query historical pricing data for gold and other metals dating back to 2019. By appending a specific date to the API request, developers can retrieve past pricing information, which is invaluable for conducting market analyses.

{
"success": true,
"timestamp": 1777508423,
"base": "USD",
"date": "2026-04-30",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915,
"XPD": 0.000748
},
"unit": "per troy ounce"
}

Bid And Ask Endpoint

The Bid and Ask Endpoint is a powerful feature that enables developers to retrieve real-time bid and ask prices for gold and other metals. This information is crucial for traders looking to execute orders at the best possible prices.

{
"success": true,
"timestamp": 1777594823,
"base": "USD",
"date": "2026-05-01",
"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"
}

Convert Endpoint

The Convert Endpoint allows users to convert any amount from one metal to another or to/from USD. This feature is particularly useful for traders who need to quickly assess the value of their holdings in different currencies.

{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1777594823,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Time-Series Endpoint

The Time-Series Endpoint allows developers to query the API for daily historical rates between two dates of their choice. This feature is essential for conducting detailed analyses of price movements over specific periods.

{
"success": true,
"timeseries": true,
"start_date": "2026-04-24",
"end_date": "2026-05-01",
"base": "USD",
"rates": {
"2026-04-24": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-04-26": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-05-01": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912
}
},
"unit": "per troy ounce"
}

Fluctuation Endpoint

The Fluctuation Endpoint provides information about how currencies fluctuate on a day-to-day basis. This feature allows traders to track the volatility of gold prices over specific periods, helping them make informed trading decisions.

{
"success": true,
"fluctuation": true,
"start_date": "2026-04-24",
"end_date": "2026-05-01",
"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"
}

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

The OHLC Price Endpoint allows developers to query the API for the open, high, low, and close prices for a specific time period. This data is essential for traders who rely on candlestick charts for technical analysis.

{
"success": true,
"timestamp": 1777594823,
"base": "USD",
"date": "2026-05-01",
"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"
}

Historical LME Endpoint

The Historical LME Endpoint provides access to historical rates for LME symbols dating back to 2008. This endpoint is particularly useful for developers working with industrial metals and seeking to analyze long-term trends.

{
"success": true,
"timestamp": 1777508423,
"base": "USD",
"date": "2026-04-30",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915,
"XPD": 0.000748
},
"unit": "per troy ounce"
}

API Key and Authentication

To access the Metals-API, developers must obtain an API Key, which is a unique identifier passed into the API base URL's access_key parameter. This key is essential for authenticating requests and ensuring secure access to the API's features.

API Response Structure

The API delivers exchange rates relative to USD by default. All data is returned in a structured JSON format, making it easy for developers to parse and utilize in their applications. Understanding the structure of the API response is crucial for effective integration.

Available Endpoints

The Metals-API includes 14 different endpoints, each providing unique functionalities. Developers can explore these endpoints to find the specific data they need for their applications. For a complete list of supported symbols, refer to the Metals-API Supported Symbols.

News Endpoint

The News Endpoint allows users to retrieve the latest news articles related to various metals. This feature is beneficial for traders who want to stay informed about market developments and trends that may impact pricing.

Conclusion

The Metals-API is an invaluable resource for developers and traders seeking to access real-time and historical pricing data for gold and other precious metals. By leveraging the API's extensive features, including the Latest Rates, Historical Rates, and various conversion endpoints, users can create powerful applications that enhance their trading strategies. The integration of technology in the precious metals market is transforming how traders access and analyze data, making it essential for developers to stay ahead of the curve. For more information on how to get started, visit the Metals-API Website and explore the Metals-API Documentation for detailed guidance on implementation.