Access LME Aluminium Alloy (LME-ALUA) Exchange Rates API Documentation in JSON Format

In today's fast-paced digital landscape, the ability to access real-time data is crucial for developers working in the financial and commodities sectors. The Metals-API provides a powerful platform for retrieving exchange rates for various metals, including Aluminium (ALU). This blog post will explore how to retrieve {Symbol} exchange rates in JSON format using the Metals-API, including sample API responses and integration tips. We will also delve into the transformative potential of real-time metals data and how it can empower developers to create next-generation applications.

About Aluminum (ALU)

Aluminum is one of the most widely used metals in the world, known for its lightweight, corrosion-resistant properties. As industries evolve, the demand for aluminum continues to grow, driven by technological advancements and digital transformation in metal markets. The integration of smart technology and data analytics has revolutionized how businesses operate, enabling them to make informed decisions based on real-time data insights.

With the rise of Industry 4.0, the future of aluminum and other metals is being shaped by innovations in data analytics, machine learning, and IoT. The Metals-API plays a pivotal role in this transformation by providing developers with the tools they need to access and analyze metal prices, including aluminum alloy rates.

API Description

The Metals-API is a comprehensive JSON API that provides real-time and historical exchange rates for various metals. It empowers developers to build applications that require up-to-date pricing information, enabling them to make data-driven decisions. The API offers a variety of endpoints, each designed to cater to specific needs, from retrieving the latest rates to accessing historical data.

For detailed information about the API's capabilities, visit the Metals-API Documentation. Here, you will find comprehensive guides on how to utilize the API effectively, including authentication, endpoint usage, and response structures.

Key Features and Endpoints

The Metals-API offers a range of endpoints that provide various functionalities. Here are some key features:

Latest Rates Endpoint: This endpoint returns real-time exchange rate data for metals, updated based on your subscription plan. Depending on your plan, updates can occur every 60 minutes or every 10 minutes.
Historical Rates Endpoint: Access historical rates dating back to 2019 by appending a specific date to your query. This feature is invaluable for analyzing trends over time.
Bid and Ask Endpoint: Retrieve real-time bid and ask prices for metals, allowing for informed trading decisions.
Convert Endpoint: Convert any amount from one metal to another or to/from USD, facilitating seamless transactions.
Time-Series Endpoint: Query daily historical rates between two dates of your choice, enabling comprehensive analysis of price movements.
Fluctuation Endpoint: Track how currencies fluctuate on a day-to-day basis, providing insights into market volatility.
Carat Endpoint: Retrieve information about gold rates by carat, useful for jewelers and investors alike.
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 OHLC data for a specific time period, essential for traders looking to analyze price movements.
Historical LME Endpoint: Access historical rates for LME symbols dating back to 2008, crucial for long-term analysis.
API Key: Your unique API key is required to access the API, ensuring secure and authorized usage.
API Response: Exchange rates are delivered relative to USD by default, with all data returned in a structured JSON format.
Supported Symbols Endpoint: Access a constantly updated list of all available currencies and metals.
News Endpoint: Retrieve the latest news articles related to various metals, keeping you informed about market trends.

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": 1767140718,
"base": "USD",
"date": "2025-12-31",
"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": 1767054318,
"base": "USD",
"date": "2025-12-30",
"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": "2025-12-24",
"end_date": "2025-12-31",
"base": "USD",
"rates": {
"2025-12-24": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2025-12-26": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2025-12-31": {
"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": 1767140718,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Fluctuation Endpoint

Track rate fluctuations between two dates:

{
"success": true,
"fluctuation": true,
"start_date": "2025-12-24",
"end_date": "2025-12-31",
"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

Get OHLC data for a specific time period:

{
"success": true,
"timestamp": 1767140718,
"base": "USD",
"date": "2025-12-31",
"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": 1767140718,
"base": "USD",
"date": "2025-12-31",
"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

The Metals-API offers a robust solution for developers seeking to access real-time and historical exchange rates for metals, including Aluminium Alloy (LME-ALUA). By leveraging the various endpoints, developers can build applications that provide valuable insights into metal pricing, enabling informed decision-making in trading and investment.

As industries continue to evolve with technological advancements, the importance of real-time data cannot be overstated. The Metals-API not only provides essential data but also empowers developers to innovate and create applications that can transform the way businesses operate in the metal markets.

For further exploration of the API's capabilities, visit the Metals-API Documentation and discover how you can integrate these powerful features into your applications. Additionally, check out the Metals-API Supported Symbols page for a complete list of available metal symbols.

In conclusion, the Metals-API is a game-changer for developers in the financial sector, providing the tools necessary to harness the power of real-time metals data and drive innovation in their applications.

Ready to use Metals-API?

Try it now!

Access LME Aluminium Alloy (LME-ALUA) Exchange Rates API Documentation in JSON Format