Retrieve Norwegian Krone (NOK) Historical Prices with this API

The Norwegian Krone (NOK) is a vital currency in the global financial landscape, particularly in the context of metal markets. As developers and analysts seek to harness the power of real-time data, the Metals-API emerges as a transformative tool that allows users to retrieve historical prices and exchange rates for NOK and other currencies. This blog post delves into the capabilities of the Metals-API, exploring its innovative features, endpoints, and the potential applications for developers looking to integrate this powerful API into their projects.

About Norwegian Krone (NOK)

The Norwegian Krone is not just a currency; it represents the economic pulse of Norway, a country rich in natural resources, particularly metals. As the world embraces digital transformation, the metal markets are also evolving, driven by technological innovation and advancements in data analytics. The integration of smart technology into these markets is paving the way for future trends that promise to enhance the efficiency and accuracy of trading and investment strategies.

With the rise of data analytics, developers can now leverage insights derived from historical prices and real-time data to make informed decisions. The Metals-API is at the forefront of this transformation, providing a robust platform for accessing a wealth of information about the Norwegian Krone and its historical prices.

API Description

The Metals-API is a powerful JSON API designed to provide developers with access to real-time and historical metals data. This API empowers users to build next-generation applications that can analyze market trends, track price fluctuations, and convert currencies seamlessly. By utilizing the Metals-API, developers can create applications that not only retrieve current exchange rates but also analyze historical data to forecast future trends.

For more information about the API, visit the Metals-API Website or check out 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 the information they require efficiently. Here are some of the key features:

Latest Rates Endpoint: This endpoint provides real-time exchange rate data for various currencies, including NOK. Depending on your subscription plan, the data is updated every 60 minutes or every 10 minutes, ensuring that you have access to the most current information.
Historical Rates Endpoint: Users can access historical rates dating back to 2019. By appending a specific date in the format YYYY-MM-DD, developers can query the Metals-API for historical rates, enabling them to analyze trends over time.
Bid And Ask Endpoint: This feature allows users to retrieve real-time bid and ask prices for metals, providing insights into market dynamics and helping traders make informed decisions.
Convert Endpoint: The API includes a currency conversion endpoint that enables users to convert amounts from one currency to another. This is particularly useful for developers who need to integrate currency conversion features into their applications.
Time-Series Endpoint: This endpoint allows users to query daily historical rates between two specified dates, offering a comprehensive view of price movements over time.
Fluctuation Endpoint: Users can track how currencies fluctuate on a day-to-day basis, providing valuable insights into market volatility.
Carat Endpoint: This feature allows users to retrieve information about gold rates by carat, which is essential for jewelers and investors in precious metals.
Lowest/Highest Price Endpoint: Developers can query the API to get the lowest and highest prices for a specified date, which is crucial for understanding market extremes.
Open/High/Low/Close (OHLC) Price Endpoint: This endpoint provides open, high, low, and close prices for a specific date, allowing traders to analyze market performance comprehensively.
Historical LME Endpoint: This feature provides access to historical rates for LME symbols dating back to 2008, which is vital for those involved in trading metals on the London Metal Exchange.
API Key: Each user is assigned a unique API key that must be included in requests to authenticate and authorize access to the API.
API Response: The Metals-API delivers exchange rates relative to USD by default, ensuring consistency across data retrieval.
Available Endpoints: The API comprises 14 endpoints, each designed to fulfill specific functionalities, providing a comprehensive toolkit for developers.
Supported Symbols Endpoint: This endpoint returns a constantly updated list of all available currencies, allowing developers to stay informed about the symbols they can use.
News Endpoint: Users can retrieve the latest news articles related to various metals, keeping them updated on 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

Latest Rates Endpoint

Get real-time exchange rates for all available metals.

{
"success": true,
"timestamp": 1774916238,
"base": "USD",
"date": "2026-03-31",
"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": 1774829838,
"base": "USD",
"date": "2026-03-30",
"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": "2026-03-24",
"end_date": "2026-03-31",
"base": "USD",
"rates": {
"2026-03-24": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-03-26": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-03-31": {
"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": 1774916238,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Fluctuation Endpoint

Track rate fluctuations between two dates.

{
"success": true,
"fluctuation": true,
"start_date": "2026-03-24",
"end_date": "2026-03-31",
"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) Endpoint

Get OHLC data for a specific time period.

{
"success": true,
"timestamp": 1774916238,
"base": "USD",
"date": "2026-03-31",
"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": 1774916238,
"base": "USD",
"date": "2026-03-31",
"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 provides a comprehensive solution for developers looking to retrieve historical prices and exchange rates for the Norwegian Krone (NOK) and other currencies. With its extensive range of endpoints, the API empowers users to harness real-time data for informed decision-making in the metal markets. By integrating the Metals-API into applications, developers can unlock the potential of data analytics, enabling smarter trading strategies and insights into market trends.

For further exploration of the API's capabilities, refer to the Metals-API Documentation and discover the full range of features available. Whether you are interested in real-time rates, historical data, or currency conversion, the Metals-API is a powerful tool that can enhance your applications and provide valuable insights into the world of metals and currencies.

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Retrieve Norwegian Krone (NOK) Historical Prices with this API