Access Monthly South Korean Won (KRW) Historical Prices using this API

In today's fast-paced financial landscape, accessing accurate and timely data is crucial for developers and analysts alike. The ability to access monthly South Korean Won (KRW) historical prices through the Metals-API opens up a world of possibilities for those looking to integrate real-time and historical data into their applications. This blog post will delve into the capabilities of the Metals-API, focusing on its innovative features, technical specifications, and practical applications for developers.

About Molybdenum (MO)

Molybdenum is a critical metal used in various industrial applications, including steel production and electronics. As the metal markets undergo digital transformation, the integration of technological innovations and advancements becomes essential. The Metals-API plays a pivotal role in this transformation by providing developers with access to real-time data analytics and insights. By leveraging smart technology integration, developers can harness the power of data to create next-generation applications that respond to market trends and fluctuations.

API Description

The Metals-API is a powerful tool that allows developers to access a wealth of information about metals and their prices. With its focus on innovation and technological advancement, the API empowers users to build applications that can analyze market trends, perform currency conversions, and retrieve historical data with ease. The API's capabilities extend beyond mere data retrieval; it enables developers to create solutions that can adapt to changing market conditions and provide valuable insights.

For more information, visit the Metals-API Website or 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 needs, allowing developers to access real-time and historical data efficiently. Here are some of the key features:

Latest Rates Endpoint: This endpoint provides real-time exchange rate data for metals, updated based on your subscription plan. Depending on the plan, updates can occur every 60 minutes or every 10 minutes, ensuring that you have the most current information at your fingertips.
Historical Rates Endpoint: Access historical rates for most currencies dating back to 2019. By appending a specific date in the format YYYY-MM-DD, developers can query the Metals-API for historical rates, allowing for in-depth analysis of price trends over time.
Bid And Ask Endpoint: This feature enables users to retrieve real-time bid and ask prices for metals, providing insights into market liquidity and pricing dynamics.
Convert Endpoint: The Metals-API includes a currency conversion endpoint that allows for the conversion of any amount from one currency to another, facilitating seamless transactions and financial analysis.
Time-Series Endpoint: This endpoint allows developers to query the API for daily historical rates between two specified dates, enabling comprehensive analysis of price movements over time.
Fluctuation Endpoint: Track how currencies fluctuate on a day-to-day basis with this endpoint, which provides valuable insights into market volatility.
Carat Endpoint: Retrieve information about gold rates by carat, which is essential for jewelers and investors in the precious metals market.
Lowest/Highest Price Endpoint: Query the API to get the lowest and highest price for a specified date, allowing for quick assessments of market performance.
Open/High/Low/Close (OHLC) Price Endpoint: This endpoint provides open, high, low, and close prices for a specific date, which is crucial for technical analysis and trading strategies.
Historical LME Endpoint: Access historical rates for LME symbols dating back to 2008, providing a long-term view of market trends.
API Key: Each user is assigned a unique API key that must be included in the API base URL's access_key parameter for authentication.
API Response: The Metals-API delivers exchange rates relative to USD by default, ensuring consistency in data presentation.
Available Endpoints: The Metals-API features 14 different endpoints, each designed to provide specific functionalities tailored to user needs.
Supported Symbols Endpoint: This constantly updated endpoint returns all available currencies, ensuring users have access to the latest information.
News Endpoint: Retrieve the latest news articles related to various metals, keeping users informed about market developments.

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 API's response structure is crucial for effective implementation. Below are examples of various endpoints and their corresponding JSON responses:

Latest Rates Endpoint

Get real-time exchange rates for all available metals:

{
"success": true,
"timestamp": 1779063513,
"base": "USD",
"date": "2026-05-18",
"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": 1778977113,
"base": "USD",
"date": "2026-05-17",
"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": "2026-05-11",
"end_date": "2026-05-18",
"base": "USD",
"rates": {
"2026-05-11": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-05-13": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-05-18": {
"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": 1779063513,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Fluctuation Endpoint

Track rate fluctuations between two dates:

{
"success": true,
"fluctuation": true,
"start_date": "2026-05-11",
"end_date": "2026-05-18",
"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": 1779063513,
"base": "USD",
"date": "2026-05-18",
"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": 1779063513,
"base": "USD",
"date": "2026-05-18",
"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

Accessing monthly South Korean Won (KRW) historical prices through the Metals-API provides developers with a robust tool for integrating real-time and historical data into their applications. With features such as the Latest Rates Endpoint, Historical Rates Endpoint, and various conversion and fluctuation endpoints, the API empowers users to analyze market trends and make informed decisions.

By leveraging the capabilities of the Metals-API, developers can create applications that not only respond to current market conditions but also anticipate future trends. The comprehensive documentation and support for a wide range of symbols make it an invaluable resource for anyone working in the financial sector.

For further exploration of the API's features, visit the Metals-API Documentation and discover how to implement these powerful tools in your projects. Don't forget to check the Metals-API Supported Symbols page for a complete list of available currencies and metals.

In conclusion, the Metals-API stands as a testament to the transformative potential of real-time metals data, enabling developers to build innovative applications that harness the power of data analytics and smart technology integration.

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Access Monthly South Korean Won (KRW) Historical Prices using this API