Accessing the Historical Prices of Westmetall Lower Copper (XCU_WM_L) via API

In today's fast-paced financial landscape, the ability to access real-time and historical data is crucial for informed decision-making, especially in the metals market. One of the most sought-after metals is copper, represented by the symbol XCU_WM_L in the Westmetall exchange. This blog post will explore how to access the historical prices of Westmetall Lower Copper using the Metals-API, a powerful tool that provides developers with the capability to integrate comprehensive metals data into their applications.

About Copper (XCU)

Copper has long been a cornerstone of industrial development, playing a vital role in electrical wiring, plumbing, and various alloys. As we delve into the digital transformation of metal markets, we see how technological innovations and advancements in data analytics are reshaping the landscape. The integration of smart technology into the metals market allows for real-time insights, enabling stakeholders to make data-driven decisions.

With the rise of data analytics, the future of copper trading looks promising. The Metals-API provides developers with the tools to harness this data, offering insights that can lead to smarter trading strategies and better risk management. By utilizing the API, developers can access a wealth of information about copper prices, historical trends, and market fluctuations.

API Description

The Metals-API is a robust platform that offers real-time and historical data for various metals, including copper. It empowers developers to build next-generation applications that can analyze and visualize metal prices effectively. The API's capabilities extend beyond simple price retrieval; it includes features that allow for in-depth analysis and integration into larger financial systems.

For more information, you can visit the Metals-API Website or check the Metals-API Documentation for detailed guidance on implementation.

Key Features and Endpoints

The Metals-API boasts a variety of endpoints that cater to different needs. Here are some of the key features:

Latest Rates Endpoint: This endpoint provides real-time exchange rate data for copper and other metals, updated based on your subscription plan. Depending on the plan, you can receive updates every 60 minutes or even every 10 minutes.
Historical Rates Endpoint: Access historical rates for copper dating back to 2019. By appending a specific date (YYYY-MM-DD) to the endpoint, you can retrieve past prices, which is invaluable for trend analysis.
Bid And Ask Endpoint: This feature allows you to retrieve real-time bid and ask prices for copper, helping traders understand market dynamics and make informed decisions.
Convert Endpoint: The API includes a currency conversion feature, enabling users to convert amounts from one metal to another or to/from USD, facilitating easier transactions.
Time-Series Endpoint: Query daily historical rates between two dates of your choice, allowing for comprehensive analysis of price movements over time.
Fluctuation Endpoint: Track how copper prices fluctuate on a day-to-day basis, providing insights into market volatility.
Open/High/Low/Close (OHLC) Price Endpoint: This endpoint provides detailed pricing information, including the opening, highest, lowest, and closing prices for a specified date.
Historical LME Endpoint: Access historical rates for LME symbols, including copper, dating back to 2008, which is essential for long-term analysis.
API Key: Your unique API key is required to access the API, ensuring secure and authorized usage.
API Response: The API delivers exchange rates relative to USD, with all data returned in a structured JSON format.
Supported Symbols Endpoint: This endpoint provides a constantly updated list of all available metals and their specifications, ensuring you have the latest information.
Intraday Endpoint: Query intraday exchange rate data for copper, allowing for real-time trading strategies.

List of Symbols

The Metals-API provides access to a comprehensive range of metal symbols, including copper. For a complete list of all supported symbols and their specifications, refer to the Metals-API Supported Symbols page.

API Endpoint Examples and Responses

Understanding the API's response structure is crucial for effective integration. Below are examples of various endpoints and their JSON responses:

Latest Rates Endpoint

{
"success": true,
"timestamp": 1789258313,
"base": "USD",
"date": "2026-09-13",
"rates": {
"XCU": 0.294118
},
"unit": "per troy ounce"
}

This response indicates a successful request for the latest copper price, with the rate provided in troy ounces.

Historical Rates Endpoint

{
"success": true,
"timestamp": 1789171913,
"base": "USD",
"date": "2026-09-12",
"rates": {
"XCU": 0.290000
},
"unit": "per troy ounce"
}

Here, the historical price for copper on a specific date is returned, allowing for analysis of price trends over time.

Time-series Endpoint

{
"success": true,
"timeseries": true,
"start_date": "2026-09-06",
"end_date": "2026-09-13",
"base": "USD",
"rates": {
"2026-09-06": {
"XCU": 0.290000
},
"2026-09-13": {
"XCU": 0.294118
}
},
"unit": "per troy ounce"
}

This example illustrates how to retrieve copper prices over a specified time period, which is essential for trend analysis.

Convert Endpoint

{
"success": true,
"query": {
"from": "USD",
"to": "XCU",
"amount": 1000
},
"info": {
"timestamp": 1789258313,
"rate": 0.294118
},
"result": 294.118,
"unit": "troy ounces"
}

The convert endpoint allows users to convert a specified amount from USD to copper, providing immediate results based on the current exchange rate.

Fluctuation Endpoint

{
"success": true,
"fluctuation": true,
"start_date": "2026-09-06",
"end_date": "2026-09-13",
"base": "USD",
"rates": {
"XCU": {
"start_rate": 0.290000,
"end_rate": 0.294118,
"change": 0.004118,
"change_pct": 1.42
}
},
"unit": "per troy ounce"
}

This response provides insights into how copper prices have fluctuated over a specific period, which is crucial for traders looking to capitalize on market movements.

OHLC (Open/High/Low/Close) Endpoint

{
"success": true,
"timestamp": 1789258313,
"base": "USD",
"date": "2026-09-13",
"rates": {
"XCU": {
"open": 0.290000,
"high": 0.295000,
"low": 0.289000,
"close": 0.294118
}
},
"unit": "per troy ounce"
}

The OHLC endpoint provides a comprehensive view of copper's price movements throughout the day, allowing traders to analyze market behavior effectively.

Bid/Ask Endpoint

{
"success": true,
"timestamp": 1789258313,
"base": "USD",
"date": "2026-09-13",
"rates": {
"XCU": {
"bid": 0.293000,
"ask": 0.295000,
"spread": 0.002000
}
},
"unit": "per troy ounce"
}

This endpoint provides the current bid and ask prices for copper, which is essential for traders looking to execute buy or sell orders.

Conclusion

Accessing the historical prices of Westmetall Lower Copper (XCU_WM_L) via the Metals-API opens up a world of possibilities for developers and traders alike. With its extensive features, including real-time rates, historical data, and advanced analytics, the Metals-API equips users with the tools necessary to navigate the complexities of the metals market.

By leveraging the API's capabilities, developers can create applications that provide valuable insights into copper pricing trends, enabling better decision-making and strategic planning. Whether you are a trader looking to optimize your strategies or a developer aiming to integrate metals data into your applications, the Metals-API is an invaluable resource.

For further exploration, refer to the Metals-API Documentation for detailed guidance on implementation, and check the Metals-API Supported Symbols page for a comprehensive list of available metals.

In conclusion, the future of copper trading is bright, and with the right tools and insights, you can stay ahead in this dynamic market.

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Accessing the Historical Prices of Westmetall Lower Copper (XCU_WM_L) via API