Access Cobalt (LCO) Exchange Rates API Documentation in JSON Format

In the rapidly evolving landscape of metal markets, the ability to access real-time exchange rates is crucial for developers and businesses alike. The Metals-API provides a powerful solution for retrieving exchange rates in JSON format, enabling seamless integration into applications. This blog post will guide you through the process of retrieving Cobalt (LCO) exchange rates using the Metals-API, showcasing sample API responses and offering integration tips to enhance your development experience.

About Cobalt (LCO)

Cobalt, represented by the symbol LCO, is a critical metal in the modern economy, particularly in the production of batteries for electric vehicles and renewable energy storage. As industries undergo digital transformation, the demand for real-time data on metal prices, including Cobalt, has surged. The Metals-API stands at the forefront of this technological innovation, providing developers with the tools to access and analyze metal market data efficiently.

With the integration of smart technology and data analytics, businesses can leverage the Metals-API to gain insights into market trends, optimize pricing strategies, and make informed decisions. As the world shifts towards sustainable energy solutions, understanding the fluctuations in Cobalt prices will be essential for stakeholders in the metal markets.

Metals-API Overview

The Metals-API is a comprehensive JSON API that provides real-time and historical exchange rates for various metals, including Cobalt. It empowers developers to build next-generation applications by offering a range of endpoints designed to meet diverse needs. Whether you are looking to retrieve the latest rates, historical data, or perform currency conversions, the Metals-API has you covered.

For more information, visit the Metals-API Website or check out the Metals-API Documentation for detailed guidance on usage.

Key Features and Endpoints

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

Latest Rates Endpoint: Depending on your subscription plan, this endpoint returns real-time exchange rate data updated every 60 minutes, every 10 minutes, or even more frequently. This feature is essential for applications that require up-to-the-minute pricing information.
Historical Rates Endpoint: Access historical rates for most metals dating back to 2019. By appending a specific date to your request, you can retrieve past exchange rates, which is invaluable for trend analysis and forecasting.
Bid And Ask Endpoint: This powerful feature allows you to retrieve real-time bid and ask prices for metals, providing insights into market liquidity and pricing dynamics.
Convert Endpoint: The conversion endpoint enables you to convert any amount from one metal to another or to/from USD. This is particularly useful for applications that require multi-currency support.
Time-Series Endpoint: Query the API for daily historical rates between two dates of your choice. This feature is beneficial for analyzing trends over specific periods.
Fluctuation Endpoint: Retrieve information about how metal prices fluctuate on a day-to-day basis, allowing you to monitor market volatility.
Carat Endpoint: Access information about Gold rates by Carat, which is essential for jewelers and precious metal traders.
Lowest/Highest Price Endpoint: Query the API to get the lowest and highest price for a specific metal over a defined period.
Open/High/Low/Close (OHLC) Price Endpoint: This endpoint provides open, high, low, and close prices for a specific time period, which is crucial for technical analysis.
Historical LME Endpoint: Access historical rates for LME symbols dating back to 2008, allowing for extensive market research.
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.
Available Endpoints: The Metals-API includes 14 endpoints, each providing different functionalities tailored to various use cases.
Supported Symbols Endpoint: This constantly updated endpoint returns all available currencies and metals, ensuring you have the latest information.
News Endpoint: Retrieve the latest news articles related to various metals, keeping you informed about market developments.

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

Understanding the structure of API responses is crucial for effective integration. Below are examples of various API endpoints, showcasing their functionality and the format of the JSON responses.

Latest Rates Endpoint

Get real-time exchange rates for all available metals.

{
"success": true,
"timestamp": 1767413268,
"base": "USD",
"date": "2026-01-03",
"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": 1767326868,
"base": "USD",
"date": "2026-01-02",
"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": "2025-12-27",
"end_date": "2026-01-03",
"base": "USD",
"rates": {
"2025-12-27": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2025-12-29": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-01-03": {
"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": 1767413268,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Fluctuation Endpoint

Track rate fluctuations between two dates.

{
"success": true,
"fluctuation": true,
"start_date": "2025-12-27",
"end_date": "2026-01-03",
"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": 1767413268,
"base": "USD",
"date": "2026-01-03",
"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": 1767413268,
"base": "USD",
"date": "2026-01-03",
"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 integrate real-time and historical exchange rates for metals like Cobalt (LCO) into their applications. By leveraging the various endpoints available, developers can access critical market data, perform conversions, and analyze trends effectively. The API's structured JSON responses provide clarity and ease of use, making it an essential tool for anyone working in the metal markets.

For further exploration, refer to the Metals-API Documentation for detailed guidance on implementing these features. Additionally, the Metals-API Supported Symbols page will help you understand the range of metals available for querying.

As the demand for real-time data continues to grow, the Metals-API stands ready to support developers in building innovative applications that harness the power of metal market data. Embrace the future of metal trading with the Metals-API and unlock new possibilities in your development projects.

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Access Cobalt (LCO) Exchange Rates API Documentation in JSON Format