Learn to Access SMM Copper Cathode (SMM-XCU) Historical Prices via this API

Introduction

Accessing historical prices for metals like Copper (SMM-XCU) has become increasingly important for developers and analysts in the financial sector. With the rise of digital transformation in metal markets, the need for real-time data and analytics has never been more critical. The Metals-API provides a robust solution for accessing historical prices and other essential data related to metals. This blog post will explore how to effectively use the Metals-API to access historical prices for Copper and other metals, focusing on its innovative features and capabilities.

About Copper (XCU)

Copper, represented by the symbol XCU, is a vital metal in various industries, including construction, electronics, and renewable energy. As the world moves towards a more sustainable future, the demand for Copper continues to grow, driven by technological advancements and the digital transformation of metal markets. The integration of smart technologies and data analytics has revolutionized how we understand and interact with metal prices.

In recent years, the market has seen significant technological innovation, allowing for better tracking of prices and trends. The Metals-API plays a crucial role in this transformation, providing developers with the tools needed to build applications that can analyze historical price data, track fluctuations, and make informed decisions based on real-time insights.

Metals-API Overview

The Metals-API is a powerful JSON API that provides access to real-time and historical prices for various metals, including Copper. It allows developers to retrieve data through multiple endpoints, each designed to serve different purposes. The API is built with innovation in mind, enabling users to harness the power of data analytics and integrate it into their applications seamlessly.

One of the standout features of the Metals-API is its ability to deliver real-time exchange rate data, updated at intervals depending on the user's subscription plan. This capability empowers developers to create applications that can react to market changes instantly, providing users with the most accurate and up-to-date information.

Key Features and Endpoints

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

Latest Rates Endpoint

The Latest Rates Endpoint provides real-time exchange rate data for metals, including Copper. Depending on your subscription plan, this endpoint can return data updated every 60 minutes, every 10 minutes, or even more frequently. This feature is essential for applications that require up-to-the-minute pricing information.

{
"success": true,
"timestamp": 1774743291,
"base": "USD",
"date": "2026-03-29",
"rates": {
"XCU": 0.294118
},
"unit": "per troy ounce"
}

Historical Rates Endpoint

The Historical Rates Endpoint allows users to access historical exchange rates for most currencies dating back to 2019. By appending a specific date in the format YYYY-MM-DD, developers can query the Metals-API for historical rates, making it easier to analyze trends over time.

{
"success": true,
"timestamp": 1774656891,
"base": "USD",
"date": "2026-03-28",
"rates": {
"XCU": 0.292
},
"unit": "per troy ounce"
}

Bid And Ask Endpoint

This powerful feature enables users to retrieve real-time Bid and Ask prices for metals. Depending on the subscription plan, this endpoint can provide critical information for traders looking to make informed decisions based on current market conditions.

{
"success": true,
"timestamp": 1774743291,
"base": "USD",
"date": "2026-03-29",
"rates": {
"XCU": {
"bid": 0.293,
"ask": 0.295,
"spread": 0.002
}
},
"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 applications that require currency conversion for pricing or trading purposes.

{
"success": true,
"query": {
"from": "USD",
"to": "XCU",
"amount": 1000
},
"info": {
"timestamp": 1774743291,
"rate": 0.294118
},
"result": 294.118,
"unit": "troy ounces"
}

Time-Series Endpoint

The Time-Series Endpoint allows users to query the API for daily historical rates between two dates of their choice. This feature is invaluable for developers looking to analyze price trends over specific periods.

{
"success": true,
"timeseries": true,
"start_date": "2026-03-22",
"end_date": "2026-03-29",
"base": "USD",
"rates": {
"2026-03-22": {
"XCU": 0.290
},
"2026-03-29": {
"XCU": 0.294118
}
},
"unit": "per troy ounce"
}

Fluctuation Endpoint

Using the Fluctuation Endpoint, users can retrieve information about how metal prices fluctuate on a day-to-day basis. This feature is essential for understanding market volatility and making informed trading decisions.

{
"success": true,
"fluctuation": true,
"start_date": "2026-03-22",
"end_date": "2026-03-29",
"base": "USD",
"rates": {
"XCU": {
"start_rate": 0.290,
"end_rate": 0.294118,
"change": 0.004118,
"change_pct": 1.42
}
},
"unit": "per troy ounce"
}

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

The OHLC Price Endpoint provides users with the open, high, low, and close prices for a specific time period. This data is crucial for traders and analysts who need to understand market trends and price movements.

{
"success": true,
"timestamp": 1774743291,
"base": "USD",
"date": "2026-03-29",
"rates": {
"XCU": {
"open": 0.290,
"high": 0.295,
"low": 0.289,
"close": 0.294118
}
},
"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 users interested in long-term trends and historical analysis.

{
"success": true,
"timestamp": 1774656891,
"base": "USD",
"date": "2026-03-28",
"rates": {
"XCU": 0.292
},
"unit": "per troy ounce"
}

Common Use Cases

The Metals-API offers numerous use cases for developers and analysts alike. Here are some practical applications:

• Market Analysis: By utilizing the Historical Rates and Time-Series endpoints, analysts can perform in-depth market analysis to identify trends and make predictions.
• Trading Applications: Traders can leverage the Latest Rates and Bid/Ask endpoints to make real-time trading decisions based on current market conditions.
• Financial Reporting: Companies can integrate the Convert and OHLC endpoints into their financial reporting systems to provide accurate pricing information.
• Risk Management: The Fluctuation Endpoint can help organizations manage risk by providing insights into price volatility.

Conclusion

The Metals-API is a powerful tool for accessing historical prices and real-time data for metals like Copper (SMM-XCU). Its innovative features and endpoints empower developers to build next-generation applications that can analyze market trends, track fluctuations, and make informed decisions. By leveraging the capabilities of the Metals-API, users can stay ahead in the rapidly evolving metal markets.

For more information on how to get started, refer to the Metals-API Documentation and explore the Metals-API Supported Symbols for a comprehensive list of available metals. With the right tools and insights, the future of metal trading is bright and full of possibilities.