Best Zinc - LME 3-month (ZNC3M) data API for developers in 2025

As we step into 2025, the demand for real-time data in the metals market has never been more critical for developers and businesses alike. Among the various metals traded globally, Zinc (symbol: XZN) stands out due to its essential role in numerous industries, from construction to electronics. The Metals-API provides a robust solution for developers looking to integrate Zinc data into their applications, offering a comprehensive suite of endpoints that deliver real-time and historical data. This blog post will explore the transformative potential of the Metals-API, focusing on Zinc and its market dynamics, while also detailing how developers can leverage this API to build innovative applications.

Metals-API Information

About Zinc (XZN)

Zinc is a vital metal used primarily for galvanizing steel, which protects it from corrosion. As industries evolve, the demand for Zinc continues to grow, driven by advancements in technology and increasing infrastructure projects worldwide. The digital transformation in metal markets has led to a surge in the need for accurate, real-time data. With the integration of smart technologies and data analytics, businesses can now make informed decisions based on comprehensive insights into market trends.

Technological innovations have paved the way for enhanced data collection and analysis, allowing stakeholders to track Zinc prices and market fluctuations with unprecedented accuracy. The Metals-API stands at the forefront of this transformation, providing developers with the tools necessary to harness the power of real-time metals data. By utilizing this API, developers can create applications that not only track prices but also analyze trends, forecast future movements, and optimize trading strategies.

API Description

The Metals-API is designed to empower developers with access to real-time and historical data for various metals, including Zinc. This API facilitates the integration of metals data into applications, enabling developers to build next-generation solutions that cater to the evolving needs of the market. With a focus on innovation and technological advancement, the Metals-API offers a range of endpoints that provide comprehensive data analytics and insights.

Key Features and Endpoints

The Metals-API boasts several key features that enhance its usability for developers:

  • Latest Rates Endpoint: This endpoint provides real-time exchange rate data for Zinc and other metals, updated every 60 minutes, 10 minutes, or even more frequently, depending on the subscription plan. This feature is crucial for applications that require up-to-the-minute pricing information.
  • Historical Rates Endpoint: Developers can access historical rates for Zinc dating back to 2019. By appending a specific date to the API call, users can retrieve past pricing data, allowing for in-depth market analysis and trend identification.
  • Bid And Ask Endpoint: This powerful feature enables developers to retrieve real-time bid and ask prices for Zinc. Understanding these prices is essential for traders looking to make informed buying and selling decisions.
  • Convert Endpoint: The Metals-API includes a currency conversion endpoint, allowing users to convert amounts between different metals or to/from USD. This feature is particularly useful for applications that require multi-metal trading capabilities.
  • Time-Series Endpoint: Developers can query the API for daily historical rates between two dates of their choice. This endpoint is invaluable for analyzing price trends over specific periods.
  • Fluctuation Endpoint: This endpoint provides insights into how Zinc prices fluctuate on a day-to-day basis, helping developers track volatility and make informed trading decisions.
  • Carat Endpoint: While primarily focused on Gold, this endpoint allows users to retrieve Gold rates by carat, showcasing the API's versatility in handling various metal data.
  • Lowest/Highest Price Endpoint: Developers can query the API to get the lowest and highest Zinc prices over a specified period, aiding in market analysis.
  • Open/High/Low/Close (OHLC) Price Endpoint: This endpoint provides essential data for traders, including the opening, high, low, and closing prices for Zinc, allowing for comprehensive market analysis.
  • Historical LME Endpoint: Access historical rates for LME symbols, including Zinc, dating back to 2008. This endpoint is crucial for developers needing extensive historical data for analysis.
  • API Key: Each user is assigned a unique API key, which must be included in API requests to authenticate and authorize access to the data.
  • API Response: The Metals-API delivers exchange rates relative to USD by default, ensuring consistency and ease of use for developers.
  • Available Endpoints: The API offers a comprehensive list of endpoints, each providing distinct functionalities tailored to developers' needs.
  • Supported Symbols Endpoint: This endpoint returns a constantly updated list of all available metal symbols, including Zinc, ensuring developers have access to the latest data.
  • Gold Price India Endpoint: Retrieve the latest Gold price in India, showcasing the API's capability to handle various regional data.
  • News Endpoint: Stay updated with the latest news articles related to various metals, including Zinc, providing context and insights into market movements.

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.

API Endpoint Examples and Responses

Latest Rates Endpoint

Get real-time exchange rates for all available metals:

{
    "success": true,
    "timestamp": 1742695224,
    "base": "USD",
    "date": "2025-03-23",
    "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

Access historical exchange rates for any date since 1999:

{
    "success": true,
    "timestamp": 1742608824,
    "base": "USD",
    "date": "2025-03-22",
    "rates": {
        "XAU": 0.000485,
        "XAG": 0.03825,
        "XPT": 0.000915,
        "XPD": 0.000748
    },
    "unit": "per troy ounce"
}

Time-series Endpoint

Get exchange rates for a specific time period:

{
    "success": true,
    "timeseries": true,
    "start_date": "2025-03-16",
    "end_date": "2025-03-23",
    "base": "USD",
    "rates": {
        "2025-03-16": {
            "XAU": 0.000485,
            "XAG": 0.03825,
            "XPT": 0.000915
        },
        "2025-03-18": {
            "XAU": 0.000483,
            "XAG": 0.0382,
            "XPT": 0.000913
        },
        "2025-03-23": {
            "XAU": 0.000482,
            "XAG": 0.03815,
            "XPT": 0.000912
        }
    },
    "unit": "per troy ounce"
}

Convert Endpoint

Convert any amount from one metal to another or to/from USD:

{
    "success": true,
    "query": {
        "from": "USD",
        "to": "XAU",
        "amount": 1000
    },
    "info": {
        "timestamp": 1742695224,
        "rate": 0.000482
    },
    "result": 0.482,
    "unit": "troy ounces"
}

Fluctuation Endpoint

Track rate fluctuations between two dates:

{
    "success": true,
    "fluctuation": true,
    "start_date": "2025-03-16",
    "end_date": "2025-03-23",
    "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) Endpoint

Get OHLC data for a specific time period:

{
    "success": true,
    "timestamp": 1742695224,
    "base": "USD",
    "date": "2025-03-23",
    "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

Get current bid and ask prices for metals:

{
    "success": true,
    "timestamp": 1742695224,
    "base": "USD",
    "date": "2025-03-23",
    "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

In conclusion, the Metals-API offers a powerful and flexible solution for developers looking to integrate Zinc data into their applications. With a wide array of endpoints providing real-time and historical data, developers can create innovative applications that cater to the evolving needs of the metals market. By leveraging the capabilities of the Metals-API, businesses can gain valuable insights into market trends, optimize trading strategies, and stay ahead of the competition.

As the demand for accurate and timely metals data continues to grow, the importance of APIs like Metals-API cannot be overstated. By utilizing this API, developers can ensure they have the tools necessary to succeed in the fast-paced world of metals trading. For more information on how to get started, visit the Metals-API Documentation and explore the extensive features available.

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