Query SMM Copper Cathode (SMM-XCU) prices effortlessly using this API

Metals-API provides a seamless way to query SMM Copper Cathode (SMM-XCU) prices and other metal rates effortlessly. This blog post delves into the intricacies of the Metals-API, focusing on its capabilities, the significance of copper in the market, and how developers can leverage this API to build innovative applications.

Understanding Copper (XCU)

XCU, is a fundamental metal in various industries, including construction, electronics, and renewable energy. As we witness a digital transformation in metal markets, the integration of technology and data analytics is reshaping how we interact with these commodities. The demand for copper is projected to rise, driven by advancements in electric vehicles and renewable energy technologies. This trend highlights the importance of having access to accurate and timely data.

Technological Innovation and Advancement

Data Analytics and Insights

Future Trends and Possibilities

Metals-API Overview

Metals-API is a powerful tool that provides real-time and historical data for various metals, including copper. This API is designed for developers looking to integrate metals pricing into their applications. With a range of endpoints, the Metals-API offers flexibility and functionality that can cater to various use cases.

Key Features of Metals-API

• Latest Rates Endpoint: Depending on your subscription plan, this endpoint returns real-time exchange rate data for metals, updated every 60 minutes or more frequently.
• Historical Rates Endpoint: Access historical rates dating back to 2019 by appending a specific date to your query.
• Bid and Ask Endpoint: Retrieve real-time bid and ask prices for metals, providing insight into market conditions.
• Convert Endpoint: Easily convert amounts from one metal to another or to/from USD, facilitating seamless transactions.
• Time-Series Endpoint: Query daily historical rates between two dates, allowing for in-depth analysis of price trends.
• Fluctuation Endpoint: Track how metal prices fluctuate on a day-to-day basis, providing valuable insights into market volatility.
• Carat Endpoint: Retrieve information about gold rates by carat, useful for jewelry and precious metal industries.
• Lowest/Highest Price Endpoint: Get the lowest and highest prices for a specified date, aiding in market analysis.
• Open/High/Low/Close (OHLC) Price Endpoint: Access open, high, low, and close prices for a specific time period, essential for traders.
• Historical LME Endpoint: Access historical rates for LME symbols dating back to 2008, useful for long-term analysis.
• API Key: Each user receives a unique API key for authentication, ensuring secure access to the API.
• API Response: All exchange rates are delivered relative to USD, with comprehensive data returned in JSON format.
• Supported Symbols Endpoint: Access a constantly updated list of available currencies and metals.
• Gold Price India Endpoint: Retrieve the latest gold price in India, catering to regional markets.
• News Endpoint: Stay updated with the latest news articles related to various metals, enhancing market awareness.

API Endpoint Examples and Responses

Latest Rates Endpoint

{
        "success": true,
        "timestamp": 1753531220,
        "base": "USD",
        "date": "2025-07-26",
        "rates": {
            "XAU": 0.000482,
            "XAG": 0.03815,
            "XPT": 0.000912,
            "XPD": 0.000744,
            "XCU": 0.294118,
            "XAL": 0.434783,
            "XNI": 0.142857,
            "XZN": 0.344828
        },
        "unit": "per troy ounce"
    }

rates field contains the current price per troy ounce, allowing developers to display this information in their applications.

Historical Rates Endpoint

{
        "success": true,
        "timestamp": 1753444820,
        "base": "USD",
        "date": "2025-07-25",
        "rates": {
            "XAU": 0.000485,
            "XAG": 0.03825,
            "XPT": 0.000915,
            "XPD": 0.000748
        },
        "unit": "per troy ounce"
    }

date field indicates the specific day for which the rates are provided.

Time-Series Endpoint

{
        "success": true,
        "timeseries": true,
        "start_date": "2025-07-19",
        "end_date": "2025-07-26",
        "base": "USD",
        "rates": {
            "2025-07-19": {
                "XAU": 0.000485,
                "XAG": 0.03825,
                "XPT": 0.000915
            },
            "2025-07-21": {
                "XAU": 0.000483,
                "XAG": 0.0382,
                "XPT": 0.000913
            },
            "2025-07-26": {
                "XAU": 0.000482,
                "XAG": 0.03815,
                "XPT": 0.000912
            }
        },
        "unit": "per troy ounce"
    }

Convert Endpoint

{
        "success": true,
        "query": {
            "from": "USD",
            "to": "XAU",
            "amount": 1000
        },
        "info": {
            "timestamp": 1753531220,
            "rate": 0.000482
        },
        "result": 0.482,
        "unit": "troy ounces"
    }

Fluctuation Endpoint

{
        "success": true,
        "fluctuation": true,
        "start_date": "2025-07-19",
        "end_date": "2025-07-26",
        "base": "USD",
        "rates": {
            "XAU": {
                "start_rate": 0.000485,
                "end_rate": 0.000482,
                "change": -3.0e-6,
                "change_pct": -0.62
            },
            "XAG": {
                "start_rate": 0.03825,
                "end_rate": 0.03815,
                "change": -0.0001,
                "change_pct": -0.26
            },
            "XPT": {
                "start_rate": 0.000915,
                "end_rate": 0.000912,
                "change": -3.0e-6,
                "change_pct": -0.33
            }
        },
        "unit": "per troy ounce"
    }

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

{
        "success": true,
        "timestamp": 1753531220,
        "base": "USD",
        "date": "2025-07-26",
        "rates": {
            "XAU": {
                "open": 0.000485,
                "high": 0.000487,
                "low": 0.000481,
                "close": 0.000482
            },
            "XAG": {
                "open": 0.03825,
                "high": 0.0383,
                "low": 0.0381,
                "close": 0.03815
            },
            "XPT": {
                "open": 0.000915,
                "high": 0.000918,
                "low": 0.00091,
                "close": 0.000912
            }
        },
        "unit": "per troy ounce"
    }

Bid/Ask Endpoint

{
        "success": true,
        "timestamp": 1753531220,
        "base": "USD",
        "date": "2025-07-26",
        "rates": {
            "XAU": {
                "bid": 0.000481,
                "ask": 0.000483,
                "spread": 2.0e-6
            },
            "XAG": {
                "bid": 0.0381,
                "ask": 0.0382,
                "spread": 0.0001
            },
            "XPT": {
                "bid": 0.000911,
                "ask": 0.000913,
                "spread": 2.0e-6
            }
        },
        "unit": "per troy ounce"
    }

Conclusion

Metals-API is a transformative tool for developers looking to access real-time and historical data for metals, including copper (XCU). With its comprehensive range of endpoints, the API empowers businesses to leverage data analytics and insights to make informed decisions in the metal markets. As we move towards a more data-driven future, the importance of integrating such technologies cannot be overstated.

Metals-API Documentation and explore the Metals-API Supported Symbols for a complete list of available metals. Visit the Metals-API Website to get started today!