Find Copper - LME 3-month (XCU3M) Historical Prices via this API

About Copper (XCU)
Metals-API Overview
Metals-API is a powerful JSON API that provides real-time and historical data for various metals, including Copper. It is designed to facilitate seamless integration into applications, enabling developers to build next-generation solutions that rely on accurate metals pricing data. The API offers a range of endpoints, each tailored to meet specific data needs, from the latest rates to historical trends.
Key Features and Endpoints
Latest Rates Endpoint
{
"success": true,
"timestamp": 1755313275,
"base": "USD",
"date": "2025-08-16",
"rates": {
"XCU": 0.294118
},
"unit": "per troy ounce"
}
Historical Rates Endpoint
{
"success": true,
"timestamp": 1755226875,
"base": "USD",
"date": "2025-08-15",
"rates": {
"XCU": 0.290000
},
"unit": "per troy ounce"
}
Time-Series Endpoint
{
"success": true,
"timeseries": true,
"start_date": "2025-08-09",
"end_date": "2025-08-16",
"base": "USD",
"rates": {
"2025-08-09": {
"XCU": 0.292000
},
"2025-08-16": {
"XCU": 0.294118
}
},
"unit": "per troy ounce"
}
Bid and Ask Endpoint
{
"success": true,
"timestamp": 1755313275,
"base": "USD",
"date": "2025-08-16",
"rates": {
"XCU": {
"bid": 0.293000,
"ask": 0.295000
}
},
"unit": "per troy ounce"
}
Convert Endpoint
{
"success": true,
"query": {
"from": "USD",
"to": "XCU",
"amount": 1000
},
"info": {
"timestamp": 1755313275,
"rate": 0.294118
},
"result": 294.118,
"unit": "troy ounces"
}
Fluctuation Endpoint
{
"success": true,
"fluctuation": true,
"start_date": "2025-08-09",
"end_date": "2025-08-16",
"base": "USD",
"rates": {
"XCU": {
"start_rate": 0.292000,
"end_rate": 0.294118,
"change": 0.002118,
"change_pct": 0.726
}
},
"unit": "per troy ounce"
}
Open/High/Low/Close (OHLC) Price Endpoint
{
"success": true,
"timestamp": 1755313275,
"base": "USD",
"date": "2025-08-16",
"rates": {
"XCU": {
"open": 0.290000,
"high": 0.295000,
"low": 0.289000,
"close": 0.294118
}
},
"unit": "per troy ounce"
}
Historical LME Endpoint
{
"success": true,
"timestamp": 1755226875,
"base": "USD",
"date": "2025-08-15",
"rates": {
"XCU": 0.290000
},
"unit": "per troy ounce"
}
API Key and Authentication
API Response Structure
Common Use Cases
- Trading Platforms: Integrate real-time pricing data to enable users to make informed trading decisions.
- Market Analysis Tools: Build applications that analyze historical trends and provide insights into price movements.
- Financial Reporting: Use historical data to generate reports and forecasts for stakeholders.
Conclusion
Metals-API Documentation and explore the Metals-API Supported Symbols for a comprehensive list of available metals. Embrace the future of data-driven decision-making in the metals market with the Metals-API.