Extract Copper - LME 3-month (XCU3M) Historical Prices through this API

In today's rapidly evolving digital landscape, the demand for real-time data in the metal markets has never been more critical. For developers and businesses looking to access historical prices of metals like Copper (XCU), the Metals-API offers a robust solution. This blog post will delve into the intricacies of Copper, the transformative capabilities of the Metals-API, and how developers can leverage its features to extract valuable historical price data.

About Copper (XCU)

Copper, represented by the symbol XCU, is one of the most widely used metals in various industries, including electrical, construction, and manufacturing. Its versatility and excellent conductivity make it a staple in modern technology. As the world embraces digital transformation, the metal markets are also undergoing significant changes. Technological innovations are reshaping how data is collected, analyzed, and utilized, providing unprecedented insights into market trends.

With the integration of smart technologies and data analytics, businesses can now make informed decisions based on real-time data. The future of Copper trading is not just about supply and demand; it's about harnessing the power of data to predict trends, optimize operations, and enhance profitability. The Metals-API plays a pivotal role in this transformation by providing developers with the tools needed to access and analyze historical price data efficiently.

API Description

The Metals-API is designed to empower developers to build next-generation applications that require real-time and historical metals data. This API offers a comprehensive suite of features that cater to various needs, from retrieving the latest rates to accessing extensive historical data. Its capabilities are particularly beneficial for financial analysts, traders, and businesses involved in the metals market.

One of the standout features of the Metals-API is its ability to provide real-time exchange rate data, updated frequently based on the user's subscription plan. This ensures that developers have access to the most current information, enabling them to make timely decisions. Furthermore, the API supports a wide range of endpoints, each tailored to specific functionalities, making it a versatile tool for any developer.

Key Features and Endpoints

The Metals-API offers a variety of endpoints that allow developers to access different types of data. Here’s a closer look at 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 the subscription plan. This feature is crucial for traders who need to stay updated on market fluctuations.
Historical Rates Endpoint: Developers can access historical rates for most metals dating back to 2019. By appending a specific date to the API request, users can retrieve historical price data, which is essential for trend analysis and forecasting.
Bid And Ask Endpoint: This powerful feature allows users to retrieve real-time bid and ask prices for metals, providing insights into market liquidity and pricing dynamics.
Convert Endpoint: The API includes a currency conversion feature that enables users to convert any amount from one metal to another or to/from USD. This is particularly useful for businesses operating in multiple currencies.
Time-Series Endpoint: This endpoint allows developers to query the API for daily historical rates between two dates of their choice, facilitating in-depth analysis of price movements over time.
Fluctuation Endpoint: Users can track how metal prices fluctuate on a day-to-day basis, providing valuable insights into market volatility.
Carat Endpoint: This feature allows users to retrieve information about Gold rates by Carat, which is essential for jewelers and gold traders.
Lowest/Highest Price Endpoint: Developers can query the API to get the lowest and highest prices for a specific metal over a defined period, aiding in market analysis.
Open/High/Low/Close (OHLC) Price Endpoint: This endpoint provides open, high, low, and close prices for a specific date, which is crucial for traders looking to analyze market performance.
Historical LME Endpoint: This endpoint gives access to historical rates for LME symbols dating back to 2008, allowing for comprehensive historical analysis.
API Key: Each user is assigned a unique API key that must be included in the API requests to authenticate access.
API Response: The API delivers exchange rates relative to USD by default, ensuring consistency in data interpretation.
Available Endpoints: The Metals-API comprises 14 different endpoints, each providing unique functionalities tailored to various user needs.
Supported Symbols Endpoint: This endpoint returns all available metal symbols, allowing users to stay updated on the latest offerings.
News Endpoint: Users can retrieve the latest news articles related to various metals, keeping them informed about market developments.

API Endpoint Examples and Responses

Understanding how to interact with the Metals-API is crucial for developers. Below are examples of how to use various endpoints and what responses to expect:

Latest Rates Endpoint

{
"success": true,
"timestamp": 1766365660,
"base": "USD",
"date": "2025-12-22",
"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"
}

The response includes a success status, a timestamp, the base currency (USD), the date of the rates, and the rates for various metals, including Copper (XCU).

Historical Rates Endpoint

{
"success": true,
"timestamp": 1766279260,
"base": "USD",
"date": "2025-12-21",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915,
"XPD": 0.000748
},
"unit": "per troy ounce"
}

This endpoint allows users to access historical exchange rates for any date since 1999, providing valuable data for trend analysis.

Time-series Endpoint

{
"success": true,
"timeseries": true,
"start_date": "2025-12-15",
"end_date": "2025-12-22",
"base": "USD",
"rates": {
"2025-12-15": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2025-12-17": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2025-12-22": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912
}
},
"unit": "per troy ounce"
}

This endpoint is particularly useful for analyzing price trends over a specific period, allowing developers to visualize fluctuations in Copper prices.

Convert Endpoint

{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1766365660,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

The Convert Endpoint allows users to convert amounts between different metals and currencies, providing flexibility for financial calculations.

Fluctuation Endpoint

{
"success": true,
"fluctuation": true,
"start_date": "2025-12-15",
"end_date": "2025-12-22",
"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 provides insights into how prices fluctuate over time, which is essential for traders looking to capitalize on market movements.

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

{
"success": true,
"timestamp": 1766365660,
"base": "USD",
"date": "2025-12-22",
"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 endpoint is vital for traders who need to analyze market performance based on opening, closing, high, and low prices.

Bid/Ask Endpoint

{
"success": true,
"timestamp": 1766365660,
"base": "USD",
"date": "2025-12-22",
"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 understanding market dynamics and making informed trading decisions.

Conclusion

The Metals-API is a powerful tool for developers looking to access and analyze historical prices of metals like Copper (XCU). With its extensive range of endpoints and capabilities, the API empowers users to make data-driven decisions in a rapidly changing market. By leveraging features such as the Latest Rates, Historical Rates, and Time-Series endpoints, developers can gain valuable insights into market trends and fluctuations.

As the metal markets continue to evolve, the integration of smart technologies and data analytics will play a crucial role in shaping the future of trading. The Metals-API stands at the forefront of this transformation, providing the necessary tools for developers to build innovative applications that harness the power of real-time metals data.

For more information on how to get started with the Metals-API, visit the Metals-API Documentation and explore the Metals-API Supported Symbols for a comprehensive list of available metals. Embrace the future of metal trading with the Metals-API and unlock the potential of historical price data today.

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Extract Copper - LME 3-month (XCU3M) Historical Prices through this API