Retrieve Japanese Yen (JPY) Historical Prices with this API

The Japanese Yen (JPY) is one of the most traded currencies in the world, and its historical prices can provide valuable insights for developers and analysts alike. With the rise of digital transformation in financial markets, accessing real-time and historical data has never been more critical. The Metals-API offers a robust solution for retrieving historical prices of the Japanese Yen and other currencies, empowering developers to create innovative applications that leverage this data. In this blog post, we will explore how to effectively use the Metals-API to retrieve historical prices of JPY, along with detailed explanations of its features, capabilities, and practical use cases.

About Japanese Yen (JPY)

The Japanese Yen is not only the official currency of Japan but also a significant player in the global financial market. As the third most traded currency after the US Dollar and the Euro, the Yen is often seen as a safe haven during times of economic uncertainty. Understanding its historical price movements can provide insights into market trends, investor behavior, and economic conditions. The integration of smart technology and data analytics in financial markets allows for more precise forecasting and decision-making.

With the advent of technological innovations, the way we analyze and interpret currency data has evolved. The Metals-API stands at the forefront of this transformation, offering developers the tools they need to access and utilize historical price data effectively. By leveraging data analytics and insights, developers can create applications that not only track currency fluctuations but also predict future trends based on historical data.

API Description

The Metals-API is a powerful tool designed for developers seeking to access real-time and historical metals data, including currency exchange rates. This API provides a comprehensive suite of features that enable users to build next-generation applications. With its focus on innovation and technological advancement, the Metals-API empowers developers to harness the transformative potential of real-time data.

For more information, 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 retrieve the latest rates, historical data, and more. Here are some of the key features:

Latest Rates Endpoint: This endpoint provides real-time exchange rate data, updated based on your subscription plan. Depending on your plan, you can receive updates every 60 minutes or even every 10 minutes. This feature is essential for applications that require up-to-the-minute currency information.
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, making it easier to analyze trends over time.
Bid And Ask Endpoint: This powerful feature allows you to retrieve real-time bid and ask prices for various metals, providing insights into market conditions and helping traders make informed decisions.
Convert Endpoint: The Metals-API includes a currency conversion endpoint, enabling users to convert any amount from one currency to another. This is particularly useful for applications that require real-time conversion rates.
Time-Series Endpoint: This endpoint allows developers to query daily historical rates between two selected dates, providing a comprehensive view of currency trends 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, allowing for detailed analysis of precious metals.
Lowest/Highest Price Endpoint: This endpoint enables users to query the API for the lowest and highest prices within a specified date range, which can be crucial for traders looking to optimize their strategies.
Open/High/Low/Close (OHLC) Price Endpoint: Access open, high, low, and close prices for a specific date, providing a snapshot of market performance.
Historical LME Endpoint: Access historical rates for LME symbols dating back to 2008, which is essential for those analyzing long-term trends in metal prices.
API Key: Your unique API key is required to access the API, ensuring secure and authorized use of the service.
API Response: The Metals-API delivers exchange rates relative to USD by default, with all data returned in a structured JSON format.
Available Endpoints: With 14 different API endpoints, each providing unique functionality, developers have a wide range of options to choose from.
Supported Symbols Endpoint: This constantly updated endpoint returns all available currencies, allowing developers to stay informed about the latest symbols.
News Endpoint: Retrieve the latest news articles related to various metals, keeping you updated on market trends and 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 how to interpret API responses is crucial for developers. 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": 1775434804,
"base": "USD",
"date": "2026-04-06",
"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": 1775348404,
"base": "USD",
"date": "2026-04-05",
"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": "2026-03-30",
"end_date": "2026-04-06",
"base": "USD",
"rates": {
"2026-03-30": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-04-01": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-04-06": {
"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": 1775434804,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Fluctuation Endpoint

Track rate fluctuations between two dates:

{
"success": true,
"fluctuation": true,
"start_date": "2026-03-30",
"end_date": "2026-04-06",
"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": 1775434804,
"base": "USD",
"date": "2026-04-06",
"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": 1775434804,
"base": "USD",
"date": "2026-04-06",
"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

In conclusion, the Metals-API provides a comprehensive solution for developers looking to retrieve historical prices of the Japanese Yen (JPY) and other currencies. With its extensive range of endpoints and features, developers can create applications that leverage real-time and historical data to gain insights into market trends and fluctuations. By understanding the capabilities of the Metals-API, developers can harness the power of data analytics and smart technology integration to build innovative solutions that meet the demands of today's financial landscape.

For further exploration of the API's capabilities, be sure to check the Metals-API Documentation and the Metals-API Supported Symbols page. Embrace the future of currency data retrieval and analysis with the Metals-API, and unlock the potential of your applications today.

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Retrieve Japanese Yen (JPY) Historical Prices with this API