How to programmatically get Copper China Spot (XCU-CH) prices using this API

Introduction

Copper, represented by the symbol XCU, is a crucial metal in various industries, from construction to electronics. As the demand for real-time data on copper prices increases, developers are turning to APIs to access this information programmatically. One such powerful tool is the Metals-API, which provides comprehensive access to copper spot prices and other metal data. This blog post will explore how to programmatically retrieve Copper China Spot (XCU-CH) prices using the Metals-API, while also delving into the broader implications of digital transformation in metal markets.

About Copper (XCU)

Copper is not just a metal; it is a cornerstone of modern technology and infrastructure. With the rise of digital transformation, the metal markets are experiencing significant changes driven by technological innovation and advancement. Data analytics and insights are becoming essential for stakeholders to make informed decisions. The integration of smart technology in the copper market allows for real-time tracking of prices, demand forecasting, and supply chain optimization.

As we look to the future, the possibilities for copper and its markets are vast. The increasing focus on sustainability and green technologies is likely to drive demand for copper, especially in electric vehicles and renewable energy systems. Understanding how to access and analyze copper price data through APIs like Metals-API will be crucial for developers and businesses alike.

API Description

The Metals-API is a robust platform that provides real-time and historical data for various metals, including copper. This API empowers developers to build next-generation applications that can leverage real-time metals data for trading, analysis, and reporting. With its user-friendly interface and comprehensive documentation, the Metals-API is designed to facilitate seamless integration into existing systems.

For detailed information on how to get started, developers can refer to the Metals-API Documentation, which outlines the various endpoints, authentication methods, and response structures.

Key Features and Endpoints

The Metals-API offers a variety of endpoints that cater to different needs, making it a versatile tool for developers. Here are some of the key features:

Latest Rates Endpoint

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

{
"success": true,
"timestamp": 1781309433,
"base": "USD",
"date": "2026-06-13",
"rates": {
"XCU": 0.294118
},
"unit": "per troy ounce"
}

Historical Rates Endpoint

Accessing historical rates is crucial for trend analysis and forecasting. The Historical Rates endpoint allows users to query rates dating back to 2019 by appending a specific date in the YYYY-MM-DD format. This feature is particularly useful for analysts looking to understand price movements over time.

{
"success": true,
"timestamp": 1781223033,
"base": "USD",
"date": "2026-06-12",
"rates": {
"XCU": 0.292000
},
"unit": "per troy ounce"
}

Bid And Ask Endpoint

The Bid and Ask endpoint provides real-time bid and ask prices for metals. This feature is particularly beneficial for traders who need to make quick decisions based on market conditions. The bid price indicates the highest price a buyer is willing to pay, while the ask price is the lowest price a seller will accept.

{
"success": true,
"timestamp": 1781309433,
"base": "USD",
"date": "2026-06-13",
"rates": {
"XCU": {
"bid": 0.293000,
"ask": 0.295000,
"spread": 0.002000
}
},
"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 reporting purposes.

{
"success": true,
"query": {
"from": "USD",
"to": "XCU",
"amount": 1000
},
"info": {
"timestamp": 1781309433,
"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 trends over specific periods.

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

Fluctuation Endpoint

The Fluctuation endpoint provides information about how metal prices fluctuate on a day-to-day basis. This is particularly useful for traders and analysts who need to understand market volatility.

{
"success": true,
"fluctuation": true,
"start_date": "2026-06-06",
"end_date": "2026-06-13",
"base": "USD",
"rates": {
"XCU": {
"start_rate": 0.290000,
"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 open, high, low, and close prices for a specific time period. This data is essential for technical analysis and helps traders make informed decisions based on historical price movements.

{
"success": true,
"timestamp": 1781309433,
"base": "USD",
"date": "2026-06-13",
"rates": {
"XCU": {
"open": 0.290000,
"high": 0.295000,
"low": 0.289000,
"close": 0.294118
}
},
"unit": "per troy ounce"
}

Historical LME Endpoint

The Historical LME endpoint allows users to access historical rates for LME symbols dating back to 2008. This endpoint is particularly useful for those who need to analyze long-term trends in the metals market.

{
"success": true,
"timestamp": 1781309433,
"base": "USD",
"date": "2026-06-12",
"rates": {
"XCU": 0.292000
},
"unit": "per troy ounce"
}

API Key and Response

Your API Key is a unique identifier that must be included in the API base URL's access_key parameter. This key is essential for authentication and allows you to access the various endpoints securely. The API response is delivered in JSON format, with exchange rates typically relative to USD. Understanding the structure of the response is crucial for effective data handling.

List of Symbols

The Metals-API provides access to a comprehensive range of metal symbols. For a complete list of all supported symbols and their specifications, refer to the Metals-API Supported Symbols page. This resource is invaluable for developers looking to integrate specific metal data into their applications.

Conclusion

In conclusion, the Metals-API offers a powerful and flexible solution for accessing real-time and historical copper prices, along with a variety of other metals. By leveraging the various endpoints, developers can create applications that provide valuable insights into market trends, price fluctuations, and trading opportunities. The integration of such APIs into existing systems not only enhances operational efficiency but also empowers businesses to make data-driven decisions in an increasingly competitive landscape.

As the demand for metals continues to grow, understanding how to utilize APIs like Metals-API will be crucial for developers and businesses alike. For more information, visit the Metals-API Website and explore the extensive documentation available to help you get started.