Retrieve Vietnamese ng (VND) Historical Prices via this API

In today's rapidly evolving digital landscape, the ability to access and analyze historical prices of metals is crucial for developers and businesses alike. This blog post will delve into how to retrieve Vietnamese ng (VND) historical prices using the Metals-API, a powerful tool designed for real-time and historical data on various metals. We will explore the capabilities of the Metals-API, focusing on its innovative features, technical specifications, and practical applications.

Understanding Neodymium (ND) and Its Market Dynamics

Neodymium, a rare earth metal, plays a pivotal role in various technological advancements, particularly in the production of high-strength magnets used in electric vehicles, wind turbines, and consumer electronics. As industries undergo digital transformation, the demand for neodymium is expected to surge, driven by technological innovation and advancements in smart technology integration.

The neodymium market is characterized by its volatility, influenced by supply chain dynamics, geopolitical factors, and technological breakthroughs. Data analytics and insights derived from historical price trends can empower businesses to make informed decisions, optimize their supply chains, and forecast future trends. By leveraging the Metals-API, developers can access comprehensive historical data, enabling them to build applications that provide real-time insights into neodymium prices.

Metals-API: A Gateway to Real-Time and Historical Metal Data

The Metals-API is a robust platform that offers developers access to real-time and historical prices for a wide range of metals, including neodymium. This API is designed to facilitate the integration of metal price data into applications, providing users with the ability to track market trends, perform currency conversions, and analyze historical price movements.

One of the standout features of the Metals-API is its ability to deliver real-time exchange rate data, updated frequently based on the subscription plan. This allows developers to create applications that respond to market changes instantaneously, enhancing user experience and decision-making capabilities.

Key Features of Metals-API

The Metals-API boasts a variety of endpoints, each designed to cater to specific data needs. Here are some of the key features:

• Latest Rates Endpoint: Depending on your subscription plan, this endpoint returns real-time exchange rate data for metals, 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 dating back to 2019 by appending a specific date (YYYY-MM-DD) to the endpoint. This allows developers to analyze price trends over time, providing valuable insights into market behavior.
• Bid and Ask Endpoint: Retrieve real-time bid and ask prices for metals, which is crucial for traders and investors looking to make informed decisions based on current market conditions.
• Convert Endpoint: This endpoint allows for seamless currency conversion, enabling users to convert any amount from one currency to another, including metals to USD and vice versa.
• Time-Series Endpoint: Query the API for daily historical rates between two dates of your choice, facilitating in-depth analysis of price movements over specific periods.
• Fluctuation Endpoint: Track how currencies fluctuate on a day-to-day basis, providing insights into market volatility and helping users make strategic decisions.
• Carat Endpoint: Retrieve information about gold rates by carat, which is particularly useful for jewelers and gold traders.
• Lowest/Highest Price Endpoint: Query the API to get the lowest and highest prices for a specified date, aiding in market analysis and investment strategies.
• Open/High/Low/Close (OHLC) Price Endpoint: Access detailed OHLC data for specific time periods, allowing for comprehensive market analysis.
• 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, which is essential for authentication and access to the API's features.
• API Response: The Metals-API delivers exchange rates relative to USD, ensuring consistency and ease of use across different applications.
• Available Endpoints: With 14 different API endpoints, developers have a wide range of functionalities at their disposal, allowing for tailored applications.
• Supported Symbols Endpoint: Access a constantly updated list of all available currencies and metals, ensuring that developers have the most current information.
• News Endpoint: Retrieve the latest news articles related to various metals, keeping users informed about market developments.

API Endpoint Examples and Responses

To illustrate the capabilities of the Metals-API, let's explore some example responses from various endpoints:

Latest Rates Endpoint

Get real-time exchange rates for all available metals:

{
"success": true,
"timestamp": 1772670033,
"base": "USD",
"date": "2026-03-05",
"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

Access historical exchange rates for any date since 1999:

{
"success": true,
"timestamp": 1772583633,
"base": "USD",
"date": "2026-03-04",
"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": "2026-02-26",
"end_date": "2026-03-05",
"base": "USD",
"rates": {
"2026-02-26": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-02-28": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-03-05": {
"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": 1772670033,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Fluctuation Endpoint

Track rate fluctuations between two dates:

{
"success": true,
"fluctuation": true,
"start_date": "2026-02-26",
"end_date": "2026-03-05",
"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"
}

OHLC (Open/High/Low/Close) Endpoint

Get OHLC data for a specific time period:

{
"success": true,
"timestamp": 1772670033,
"base": "USD",
"date": "2026-03-05",
"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"
}

Bid/Ask Endpoint

Get current bid and ask prices for metals:

{
"success": true,
"timestamp": 1772670033,
"base": "USD",
"date": "2026-03-05",
"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"
}

Practical Applications of Metals-API

The versatility of the Metals-API allows for a wide range of applications across various industries. Here are some practical use cases:

1. Financial Applications

Developers can create financial applications that provide users with real-time and historical data on metal prices. This is particularly useful for traders and investors who need to make informed decisions based on market trends. By integrating the Metals-API Documentation, developers can ensure their applications are equipped with the latest features and data.

2. E-commerce Platforms

E-commerce platforms that deal with precious metals can leverage the API to display real-time pricing to customers. This enhances transparency and builds trust with consumers, as they can see the current market rates before making a purchase.

3. Market Analysis Tools

Analysts can utilize the historical rates and fluctuation endpoints to conduct in-depth market analysis. By examining price trends over time, they can identify patterns and make predictions about future price movements, which is invaluable for investment strategies.

4. Educational Platforms

Educational platforms can use the Metals-API to provide students and learners with access to real-time data and historical trends in metal prices. This can enhance learning experiences in finance, economics, and material science courses.

Conclusion

The Metals-API is a powerful tool for developers looking to access real-time and historical prices of metals, including neodymium. Its comprehensive range of features, including the latest rates, historical data, and conversion capabilities, empowers businesses to make informed decisions based on accurate and timely information. By integrating the API into applications, developers can create innovative solutions that cater to the needs of various industries.

As the demand for metals continues to grow, driven by technological advancements and digital transformation, the ability to access and analyze historical prices will become increasingly important. The Metals-API not only provides the necessary data but also offers the flexibility and scalability needed to build next-generation applications.

For more information on the available symbols, visit the Metals-API Supported Symbols page. To get started with the API, check out the Metals-API Documentation for detailed guidance on implementation and usage.