Fetch Zinc (ZNC) Historical Prices through a Simple API

Introduction

Metals-API, accessing historical price data has never been easier. This blog post delves into the capabilities of the Metals-API, focusing on how to retrieve historical prices for Zinc and the transformative potential of real-time metals data.

Metals-API Information

About Zinc (ZNC)

API Description

Metals-API is designed to empower developers by providing access to real-time and historical data for various metals. This API is not just a data source; it represents a significant leap in how metal market data can be utilized. With its robust capabilities, the Metals-API enables the development of next-generation applications that can analyze, visualize, and predict market trends.

Key Features and Endpoints

Latest Rates Endpoint

{
    "success": true,
    "timestamp": 1752818430,
    "base": "USD",
    "date": "2025-07-18",
    "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"
}

Historical Rates Endpoint

{
    "success": true,
    "timestamp": 1752732030,
    "base": "USD",
    "date": "2025-07-17",
    "rates": {
        "XAU": 0.000485,
        "XAG": 0.03825,
        "XPT": 0.000915,
        "XPD": 0.000748
    },
    "unit": "per troy ounce"
}

Bid And Ask Endpoint

{
    "success": true,
    "timestamp": 1752818430,
    "base": "USD",
    "date": "2025-07-18",
    "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"
}

Convert Endpoint

{
    "success": true,
    "query": {
        "from": "USD",
        "to": "XAU",
        "amount": 1000
    },
    "info": {
        "timestamp": 1752818430,
        "rate": 0.000482
    },
    "result": 0.482,
    "unit": "troy ounces"
}

Time-Series Endpoint

{
    "success": true,
    "timeseries": true,
    "start_date": "2025-07-11",
    "end_date": "2025-07-18",
    "base": "USD",
    "rates": {
        "2025-07-11": {
            "XAU": 0.000485,
            "XAG": 0.03825,
            "XPT": 0.000915
        },
        "2025-07-13": {
            "XAU": 0.000483,
            "XAG": 0.0382,
            "XPT": 0.000913
        },
        "2025-07-18": {
            "XAU": 0.000482,
            "XAG": 0.03815,
            "XPT": 0.000912
        }
    },
    "unit": "per troy ounce"
}

Fluctuation Endpoint

{
    "success": true,
    "fluctuation": true,
    "start_date": "2025-07-11",
    "end_date": "2025-07-18",
    "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"
}

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

{
    "success": true,
    "timestamp": 1752818430,
    "base": "USD",
    "date": "2025-07-18",
    "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"
}

Historical LME Endpoint

{
    "success": true,
    "timestamp": 1752732030,
    "base": "USD",
    "date": "2025-07-17",
    "rates": {
        "XAU": 0.000485,
        "XAG": 0.03825,
        "XPT": 0.000915,
        "XPD": 0.000748
    },
    "unit": "per troy ounce"
}

API Key and Authentication

API Response and Data Structure

Common Use Cases and Implementation Strategies

• Building trading platforms that require real-time and historical price data.
• Creating analytical tools that visualize price trends and fluctuations.
• Integrating with financial applications to provide users with up-to-date market information.

Conclusion

Metals-API Documentation and explore the Metals-API Supported Symbols for a complete list of available metals. Visit the Metals-API Website to learn more about the transformative potential of real-time metals data.