Tips for Downloading Zinc - LME 3-month (ZNC3M) Historical Prices using this API

Introduction

In the world of finance and trading, having access to accurate and timely data is crucial. This is particularly true for commodities like zinc, where market fluctuations can significantly impact investment decisions. The Metals-API provides a powerful solution for developers looking to access Zinc - LME 3-month (ZNC3M) historical prices and other metal data. This blog post will delve into the various features of the Metals-API, including how to effectively download historical prices, and explore the transformative potential of real-time metals data.

About Zinc (XZN)

Zinc is a vital metal used in various industries, including construction, automotive, and electronics. As digital transformation sweeps through metal markets, the integration of technological innovations and advancements in data analytics is reshaping how traders and investors interact with market data. The Metals-API stands at the forefront of this transformation, offering developers the tools needed to harness the power of real-time data and analytics.

With the rise of smart technology integration, the ability to access historical prices and trends in zinc and other metals is more important than ever. The Metals-API not only provides historical data but also empowers developers to build next-generation applications that can analyze trends, forecast future prices, and optimize trading strategies.

API Description

The Metals-API is a comprehensive JSON API that provides access to real-time and historical prices for various metals, including zinc. It is designed to be user-friendly and highly functional, allowing developers to easily integrate it into their applications. The API supports a wide range of endpoints, each tailored to meet specific data needs, from retrieving the latest rates to accessing historical data dating back to 2008.

For more information, you can visit the Metals-API Website and explore the Metals-API Documentation for detailed guidance on implementation.

Key Features and Endpoints

The Metals-API offers a variety of endpoints that cater to different data retrieval needs. Here are some of the key features:

Latest Rates Endpoint

The Latest Rates Endpoint provides real-time exchange rate data for metals, updated every 60 minutes, every 10 minutes, or more frequently depending on your subscription plan. This endpoint is essential for traders who need up-to-the-minute information to make informed decisions.

{
"success": true,
"timestamp": 1783988025,
"base": "USD",
"date": "2026-07-14",
"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

Accessing historical rates is crucial for analyzing trends over time. The Historical Rates Endpoint allows users to retrieve historical exchange rates for most currencies dating back to 2019. By appending a specific date in the format YYYY-MM-DD, developers can easily query the API for past data.

{
"success": true,
"timestamp": 1783901625,
"base": "USD",
"date": "2026-07-13",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915,
"XPD": 0.000748
},
"unit": "per troy ounce"
}

Bid And Ask Endpoint

The Bid and Ask Endpoint is a powerful feature that enables users to retrieve real-time bid and ask prices for metals. This information is vital for traders looking to make quick decisions based on market conditions.

{
"success": true,
"timestamp": 1783988025,
"base": "USD",
"date": "2026-07-14",
"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

The Convert Endpoint allows users to convert any amount from one metal to another or to/from USD. This feature is particularly useful for traders who need to quickly assess the value of their holdings in different currencies.

{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1783988025,
"rate": 0.000482
},
"result": 0.482,
"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 essential for analyzing trends and making predictions based on historical data.

{
"success": true,
"timeseries": true,
"start_date": "2026-07-07",
"end_date": "2026-07-14",
"base": "USD",
"rates": {
"2026-07-07": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-07-09": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-07-14": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912
}
},
"unit": "per troy ounce"
}

Fluctuation Endpoint

The Fluctuation Endpoint provides information about how currencies fluctuate on a day-to-day basis. This feature is particularly useful for traders looking to understand market volatility and make informed decisions.

{
"success": true,
"fluctuation": true,
"start_date": "2026-07-07",
"end_date": "2026-07-14",
"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

The OHLC Price Endpoint allows users to query the API to get the open, high, low, and close prices for a specific time period. This data is essential for traders looking to analyze market trends and make informed decisions.

{
"success": true,
"timestamp": 1783988025,
"base": "USD",
"date": "2026-07-14",
"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

The Historical LME Endpoint provides access to historical rates for LME symbols, dating back to 2008. This endpoint is particularly useful for those looking to analyze long-term trends in metal prices.

{
"success": true,
"timestamp": 1783901625,
"base": "USD",
"date": "2026-07-13",
"rates": {
"XZN": {
"price": 0.344828,
"unit": "per troy ounce"
}
}
}

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 understand the various metals available for trading and analysis.

Conclusion

In conclusion, the Metals-API offers a robust and versatile solution for developers seeking to access historical prices and real-time data for zinc and other metals. With its wide range of endpoints, including the Latest Rates, Historical Rates, and Bid and Ask endpoints, the API empowers users to make informed trading decisions based on accurate and timely information. By leveraging the capabilities of the Metals-API, developers can build innovative applications that enhance the trading experience and provide valuable insights into market trends.

For further exploration of the API's capabilities, be sure to check out the Metals-API Documentation and start integrating these powerful tools into your applications today.