Access SMM Copper Cathode (SMM-XCU) Historical Prices for Application Development using this API

In the rapidly evolving world of digital transformation, the metal markets are undergoing significant changes driven by technological innovation and advancements. One of the most crucial metals in this landscape is copper, represented by the symbol XCU. This blog post will explore how developers can access historical prices for copper cathodes using the Metals-API. We will delve into the capabilities of this API, its endpoints, and how it empowers developers to create next-generation applications that leverage real-time metals data.

About Copper (XCU)

Copper is a fundamental metal in various industries, including construction, electronics, and renewable energy. Its excellent electrical conductivity and resistance to corrosion make it an essential component in electrical wiring, plumbing, and electronic devices. As the demand for sustainable technologies grows, the role of copper becomes even more critical. The integration of smart technologies and data analytics in metal markets is transforming how businesses operate, providing insights that drive efficiency and innovation.

With the rise of data-driven decision-making, developers need access to accurate and timely information about copper prices. The Metals-API offers a robust solution for accessing historical prices, allowing developers to build applications that can analyze trends, forecast prices, and make informed decisions based on real-time data.

API Description

The Metals-API is a powerful tool that provides developers with access to real-time and historical data for various metals, including copper. This API is designed to facilitate the integration of metals pricing data into applications, enabling developers to create innovative solutions that meet the demands of modern markets. With its user-friendly interface and comprehensive documentation, the Metals-API simplifies the process of retrieving and utilizing metals data.

One of the key features of the Metals-API is its ability to deliver real-time exchange rate data, updated frequently based on the subscription plan. This ensures that developers have access to the most current pricing information, which is essential for applications that require accurate data for trading, analysis, or reporting.

Key Features and Endpoints

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

Latest Rates Endpoint: This endpoint provides real-time exchange rate data for metals, including copper. Depending on your subscription plan, the API can return data updated every 60 minutes or even more frequently. This feature is crucial for applications that require up-to-the-minute pricing information.
Historical Rates Endpoint: Developers can access historical rates for copper dating back to 2019. By appending a specific date to the API request, users can retrieve historical pricing data, which is invaluable for trend analysis and forecasting.
Bid And Ask Endpoint: This powerful feature allows developers to retrieve real-time bid and ask prices for copper. Understanding the bid-ask spread is essential for traders and analysts who need to gauge market sentiment and make informed decisions.
Convert Endpoint: The Metals-API includes a currency conversion endpoint, enabling users to convert amounts from one metal to another or to/from USD. This feature is particularly useful for applications that require multi-currency support.
Time-Series Endpoint: This endpoint allows developers to query the API for daily historical rates between two specified dates. This is particularly useful for analyzing price movements over time and identifying trends.
Fluctuation Endpoint: Using this endpoint, developers can track how copper prices fluctuate on a day-to-day basis. This information is critical for understanding market volatility and making strategic decisions.
Carat Endpoint: While primarily focused on gold, this endpoint allows users to retrieve information about gold rates by carat, which can be relevant for applications that deal with precious metals.
Lowest/Highest Price Endpoint: This feature enables users to query the API for the lowest and highest prices of copper over a specified period, providing insights into market extremes.
Open/High/Low/Close (OHLC) Price Endpoint: Developers can access open, high, low, and close prices for copper, which are essential for technical analysis and trading strategies.
Historical LME Endpoint: This endpoint provides access to historical rates for LME symbols, including copper, dating back to 2008. This is particularly useful for users interested in long-term trends.
API Key: Each user is provided with a unique API key, which must be included in requests to authenticate and authorize access to the API.
API Response: The Metals-API delivers exchange rates relative to USD by default, ensuring consistency in data interpretation.
Available Endpoints: The API includes 14 different endpoints, each designed to provide specific functionalities, allowing developers to tailor their applications to meet unique requirements.
Supported Symbols Endpoint: This endpoint returns a constantly updated list of all available metal symbols, ensuring developers have access to the latest information.
News Endpoint: The Metals-API also provides access to the latest news articles related to various metals, helping users stay informed about market developments.

API Endpoint Examples and Responses

Understanding how to interact with the Metals-API is crucial for developers looking to leverage its capabilities. Below are examples of API responses for various endpoints, illustrating how to retrieve and interpret data.

Latest Rates Endpoint

To get real-time exchange rates for copper, you can use the following request:

{
"success": true,
"timestamp": 1769473190,
"base": "USD",
"date": "2026-01-27",
"rates": {
"XCU": 0.294118
},
"unit": "per troy ounce"
}

This response indicates that the current price of copper is 0.294118 USD per troy ounce.

Historical Rates Endpoint

Accessing historical exchange rates for copper is straightforward. Here’s an example response:

{
"success": true,
"timestamp": 1769386790,
"base": "USD",
"date": "2026-01-26",
"rates": {
"XCU": 0.292000
},
"unit": "per troy ounce"
}

This indicates that on January 26, 2026, the price of copper was 0.292000 USD per troy ounce.

Time-Series Endpoint

To analyze price trends over a specific period, the time-series endpoint can be used:

{
"success": true,
"timeseries": true,
"start_date": "2026-01-20",
"end_date": "2026-01-27",
"base": "USD",
"rates": {
"2026-01-20": {
"XCU": 0.290000
},
"2026-01-27": {
"XCU": 0.294118
}
},
"unit": "per troy ounce"
}

This response shows the price of copper on two different dates, allowing developers to visualize price movements over time.

Convert Endpoint

To convert amounts from one metal to another, the convert endpoint can be utilized:

{
"success": true,
"query": {
"from": "USD",
"to": "XCU",
"amount": 1000
},
"info": {
"timestamp": 1769473190,
"rate": 0.294118
},
"result": 3.404,
"unit": "troy ounces"
}

This indicates that 1000 USD is equivalent to 3.404 troy ounces of copper at the current exchange rate.

Fluctuation Endpoint

To track fluctuations in copper prices, the fluctuation endpoint can be employed:

{
"success": true,
"fluctuation": true,
"start_date": "2026-01-20",
"end_date": "2026-01-27",
"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 shows that the price of copper increased by 0.004118 USD, or 1.42%, over the specified period.

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

For technical analysis, the OHLC endpoint provides essential data:

{
"success": true,
"timestamp": 1769473190,
"base": "USD",
"date": "2026-01-27",
"rates": {
"XCU": {
"open": 0.290000,
"high": 0.295000,
"low": 0.289000,
"close": 0.294118
}
},
"unit": "per troy ounce"
}

This response indicates the opening, highest, lowest, and closing prices for copper on January 27, 2026, providing critical data for traders.

Bid/Ask Endpoint

To retrieve current bid and ask prices for copper, the bid/ask endpoint can be used:

{
"success": true,
"timestamp": 1769473190,
"base": "USD",
"date": "2026-01-27",
"rates": {
"XCU": {
"bid": 0.293000,
"ask": 0.295000,
"spread": 0.002000
}
},
"unit": "per troy ounce"
}

This response shows the current bid price of 0.293000 USD and an ask price of 0.295000 USD for copper, along with the spread.

Conclusion

The Metals-API provides a comprehensive solution for developers looking to access historical prices for copper and other metals. By leveraging the various endpoints available, developers can create applications that analyze trends, convert currencies, and track fluctuations in real-time. The integration of smart technology and data analytics in metal markets is paving the way for innovative applications that can transform industries.

As the demand for accurate and timely metals data continues to grow, the Metals-API stands out as a vital resource for developers. Whether you are building a trading platform, a market analysis tool, or a reporting application, the Metals-API offers the capabilities you need to succeed. For more information, visit the Metals-API Website and explore the Metals-API Documentation for detailed guidance on implementation.

To stay updated on the latest developments in the metals market, don't forget to check the Metals-API Supported Symbols page for a complete list of available metal symbols and their specifications.

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Access SMM Copper Cathode (SMM-XCU) Historical Prices for Application Development using this API