Learn to get South Korean Won (KRW) prices using this API

Introduction

In today's rapidly evolving financial landscape, understanding currency exchange rates is crucial for developers and businesses alike. One of the key currencies in the Asian market is the South Korean Won (KRW). With the rise of digital transformation in metal markets, the ability to access real-time data on KRW prices has become increasingly important. This is where the Metals-API comes into play, providing developers with the tools they need to integrate comprehensive metal pricing and currency conversion functionalities into their applications.

About South Korean Won (KRW)

The South Korean Won is the official currency of South Korea and is denoted by the symbol "₩". As a vital part of the global economy, KRW plays a significant role in international trade, especially in the metals market. The digital transformation in metal markets has led to a surge in demand for accurate and timely data analytics. With the integration of smart technology, businesses can leverage insights from real-time data to make informed decisions.

Technological innovation has paved the way for advanced data analytics, allowing developers to create applications that can predict market trends and fluctuations. The future of currency exchange and metal pricing is bright, with possibilities for enhanced user experiences and more efficient trading practices.

API Description

The Metals-API is a powerful tool that provides real-time and historical data on metal prices and currency conversions. This API empowers developers to build next-generation applications that can access and manipulate data with ease. By utilizing the Metals-API, developers can tap into a wealth of information that can transform their applications and enhance user engagement.

With capabilities that include real-time exchange rate data, historical rates, and conversion functionalities, the Metals-API is designed to meet the needs of modern developers. The API's innovative features enable seamless integration into various applications, allowing businesses to stay ahead in a competitive market.

Key Features and Endpoints

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

Latest Rates Endpoint

The Latest Rates Endpoint provides real-time exchange rate data for various metals, including KRW. Depending on your subscription plan, this endpoint can return data updated every 60 minutes or every 10 minutes. This feature is essential for applications that require up-to-the-minute pricing information.

{
"success": true,
"timestamp": 1788566999,
"base": "USD",
"date": "2026-09-05",
"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

The Historical Rates Endpoint allows users to access historical exchange rates for most currencies dating back to 2019. By appending a specific date in the format YYYY-MM-DD, developers can retrieve past rates, which is invaluable for trend analysis and forecasting.

{
"success": true,
"timestamp": 1788480599,
"base": "USD",
"date": "2026-09-04",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915,
"XPD": 0.000748
},
"unit": "per troy ounce"
}

Bid And Ask Endpoint

This powerful feature enables developers to retrieve real-time Bid and Ask prices for metals, providing insights into market conditions. Depending on the subscription plan, this endpoint can be a game-changer for trading applications.

{
"success": true,
"timestamp": 1788566999,
"base": "USD",
"date": "2026-09-05",
"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 currency to another, including KRW. This feature is particularly useful for applications that need to facilitate transactions across different currencies.

{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1788566999,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Time-Series Endpoint

The Time-Series Endpoint allows developers to query the API for daily historical rates between two dates of their choice. This feature is essential for analyzing trends over time and making informed decisions based on historical data.

{
"success": true,
"timeseries": true,
"start_date": "2026-08-29",
"end_date": "2026-09-05",
"base": "USD",
"rates": {
"2026-08-29": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-08-31": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-09-05": {
"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 crucial for traders looking to understand market volatility and make strategic decisions.

{
"success": true,
"fluctuation": true,
"start_date": "2026-08-29",
"end_date": "2026-09-05",
"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 developers to query the API for the open, high, low, and close prices for a specific time period. This data is essential for traders who rely on candlestick patterns and other technical analysis tools.

{
"success": true,
"timestamp": 1788566999,
"base": "USD",
"date": "2026-09-05",
"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 businesses involved in trading metals on the London Metal Exchange.

{
"success": true,
"timestamp": 1788480599,
"base": "USD",
"date": "2026-09-04",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915,
"XPD": 0.000748
},
"unit": "per troy ounce"
}

API Key and Response

Your API Key is a unique identifier that is passed into the API base URL's access_key parameter. This key is essential for authentication and authorization when making requests to the Metals-API.

Exchange rates delivered by the Metals-API are by default relative to USD. All data is returned in a structured JSON format, making it easy for developers to parse and utilize the information in their applications.

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 integrate specific metal data into their applications.

Conclusion

In conclusion, the South Korean Won (KRW) is a vital currency in the global market, particularly in the context of metal trading. The Metals-API offers a robust solution for developers seeking to access real-time and historical data on metal prices and currency conversions. With features such as the Latest Rates Endpoint, Historical Rates Endpoint, and various conversion functionalities, the API empowers developers to create innovative applications that can adapt to the dynamic nature of the financial markets.

By leveraging the capabilities of the Metals-API, businesses can stay ahead of the competition, make informed decisions, and enhance their operational efficiency. As the market continues to evolve, the integration of advanced data analytics and smart technology will play a crucial role in shaping the future of currency exchange and metal trading.

For more information on how to get started with the Metals-API, check out the Metals-API Documentation, which provides detailed guidance on implementation and usage.