Get Copper - LME 3-month (XCU3M) Historical Prices for Investment Decisions using this API

In the world of investment, understanding the historical prices of commodities like copper is crucial for making informed decisions. The London Metal Exchange (LME) 3-month copper prices, represented by the symbol XCU3M, provide valuable insights into market trends and price fluctuations. To access this data efficiently, developers can leverage the powerful capabilities of the Metals-API. This API not only offers real-time data but also historical prices, enabling investors to analyze trends and make strategic decisions.

About Copper (XCU)

Copper is one of the most widely used metals in various industries, including construction, electronics, and renewable energy. Its demand is driven by technological advancements and the digital transformation of metal markets. As industries evolve, the need for accurate and timely data becomes paramount. The integration of smart technologies and data analytics allows investors to gain insights into market dynamics, making it easier to predict future trends.

The digital transformation in metal markets has led to the development of innovative tools and platforms that provide real-time data and analytics. With the rise of data-driven decision-making, investors can now access historical prices and trends for copper and other metals through APIs like Metals-API. This API empowers developers to build applications that can analyze historical data, track price fluctuations, and even convert currencies seamlessly.

Technological Innovation and Advancement

The Metals-API is at the forefront of technological innovation in the metals market. By providing a comprehensive set of endpoints, it allows developers to access a wealth of information about copper prices and other metals. The API's capabilities include retrieving the latest rates, historical prices, and even bid and ask prices, all of which are essential for making informed investment decisions.

Data Analytics and Insights

Data analytics plays a crucial role in understanding market trends. The Metals-API offers various endpoints that enable users to query historical rates, track fluctuations, and analyze price movements over time. For instance, the Historical Rates Endpoint allows users to access historical exchange rates dating back to 2019. This feature is invaluable for investors looking to analyze past performance and make predictions about future price movements.

Moreover, the Time-Series Endpoint provides daily historical rates between two specified dates, allowing for a detailed analysis of price trends over time. This can help investors identify patterns and make data-driven decisions based on historical performance.

Smart Technology Integration

Integrating smart technologies into investment strategies can significantly enhance decision-making processes. The Metals-API supports various endpoints that facilitate this integration. For example, the Convert Endpoint allows users to convert amounts from one metal to another or to/from USD, making it easier to assess the value of investments across different currencies.

Additionally, the Fluctuation Endpoint enables users to track rate fluctuations between two dates, providing insights into how prices change over time. This information is crucial for investors looking to optimize their trading strategies based on market volatility.

API Description

The Metals-API is a powerful tool designed for developers seeking to access real-time and historical metals data. With its user-friendly interface and comprehensive documentation, developers can easily integrate the API into their applications. The API provides various endpoints, each serving a unique purpose, from retrieving the latest rates to accessing historical data and tracking price fluctuations.

For detailed information on how to use the API, developers can refer to the Metals-API Documentation. This resource offers comprehensive guidance on authentication, endpoint usage, and response handling, ensuring that developers can maximize the API's potential.

Key Features and Endpoints

The Metals-API boasts a range of features that cater to the needs of investors and developers alike. Here are some of the key endpoints and their functionalities:

• Latest Rates Endpoint: This endpoint provides real-time exchange rate data for metals, updated every 60 minutes or more frequently, depending on the subscription plan. It allows users to access the most current prices for copper and other metals.
• Historical Rates Endpoint: Users can access historical rates for most metals dating back to 2019. By appending a specific date to the API request, developers can retrieve past prices, enabling detailed analysis.
• Bid And Ask Endpoint: This feature allows users to retrieve real-time bid and ask prices for metals, providing insights into market demand and supply.
• Convert Endpoint: The API includes a currency conversion feature, allowing users to convert amounts between different metals or to/from USD, facilitating easier investment assessments.
• Time-Series Endpoint: Users can query the API for daily historical rates between two specified dates, making it easier to analyze trends over time.
• Fluctuation Endpoint: This endpoint provides information about how prices fluctuate on a day-to-day basis, helping investors track market volatility.
• Open/High/Low/Close (OHLC) Price Endpoint: Users can access open, high, low, and close prices for specific time periods, providing a comprehensive view of market performance.
• Historical LME Endpoint: This endpoint allows users to access historical rates for LME symbols, dating back to 2008, providing a long-term view of price trends.
• API Key: Each user is assigned a unique API key, which must be included in requests to authenticate access to the API.
• API Response: The API delivers exchange rates relative to USD by default, with all data returned in a structured JSON format.
• Available Endpoints: The Metals-API includes 14 endpoints, each providing different functionalities to cater to various user needs.
• Supported Symbols Endpoint: This endpoint returns a constantly updated list of all available metal symbols, ensuring users have access to the latest information.
• 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 the API responses is crucial for effective integration. Here are examples of JSON responses for various endpoints:

Latest Rates Endpoint

Get real-time exchange rates for all available metals.

{
"success": true,
"timestamp": 1765411342,
"base": "USD",
"date": "2025-12-11",
"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

Access historical exchange rates for any date since 1999.

{
"success": true,
"timestamp": 1765324942,
"base": "USD",
"date": "2025-12-10",
"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": "2025-12-04",
"end_date": "2025-12-11",
"base": "USD",
"rates": {
"2025-12-04": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2025-12-06": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2025-12-11": {
"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": 1765411342,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Fluctuation Endpoint

Track rate fluctuations between two dates.

{
"success": true,
"fluctuation": true,
"start_date": "2025-12-04",
"end_date": "2025-12-11",
"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": 1765411342,
"base": "USD",
"date": "2025-12-11",
"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": 1765411342,
"base": "USD",
"date": "2025-12-11",
"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"
}

Conclusion

In conclusion, accessing historical prices for copper and other metals is essential for making informed investment decisions. The Metals-API provides a robust platform for developers to retrieve real-time and historical data, enabling them to build applications that analyze market trends and price fluctuations. By leveraging the various endpoints offered by the API, investors can gain valuable insights into the metals market, track price movements, and optimize their trading strategies.

For more information on how to get started with the Metals-API, visit the Metals-API Website and explore the comprehensive Metals-API Documentation. Additionally, for a complete list of supported symbols, check out the Metals-API Supported Symbols page. With the right tools and data, investors can navigate the complexities of the metals market with confidence.