How to Get Yellow Brass (Y-BRASS) Historical Prices Programmatically using this API

In the ever-evolving landscape of metal markets, the ability to access historical prices programmatically has become a vital tool for developers and analysts alike. With the Metals-API, you can seamlessly retrieve historical prices for Yellow Brass (Y-BRASS) and other metals, enabling data-driven decision-making and insightful analysis. This blog post will delve into the capabilities of the Metals-API, focusing on how to effectively utilize it to access historical prices, particularly for Yellow Brass.

Understanding Brass (BRASS)

Brass, an alloy primarily composed of copper and zinc, is renowned for its durability and aesthetic appeal. As industries increasingly embrace digital transformation, the metal markets are witnessing a surge in technological innovation and advancement. The integration of smart technology and data analytics is reshaping how we interact with metal pricing data. The Metals-API stands at the forefront of this transformation, offering developers the tools necessary to harness real-time and historical data for brass and other metals.

As we explore the capabilities of the Metals-API, it’s essential to consider the future trends and possibilities that arise from the integration of such technologies. The ability to access historical data programmatically not only enhances transparency but also empowers businesses to make informed decisions based on past market behaviors.

API Description

The Metals-API is a powerful tool designed for developers seeking to integrate metal pricing data into their applications. This API provides real-time and historical data for a wide range of metals, including Yellow Brass. With its user-friendly interface and comprehensive documentation, developers can easily implement features that require metal pricing data.

One of the standout features of the Metals-API is its ability to deliver real-time exchange rate data, updated at intervals that suit your subscription plan. Whether you need data every 60 minutes or every 10 minutes, the API accommodates your needs. Furthermore, the historical rates endpoint allows you to access data dating back to 2019, making it an invaluable resource for trend analysis and forecasting.

Key Features and Endpoints

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

Latest Rates Endpoint: This endpoint provides real-time exchange rate data for metals, allowing developers to access the most current pricing information.
Historical Rates Endpoint: With this feature, you can query historical rates for Yellow Brass by appending a date in the format YYYY-MM-DD. This is particularly useful for analyzing price trends over time.
Bid and Ask Endpoint: This endpoint retrieves real-time bid and ask prices, giving developers insight into market dynamics and pricing strategies.
Convert Endpoint: The conversion feature allows you to convert any amount from one metal to another or to/from USD, facilitating seamless transactions and calculations.
Time-Series Endpoint: This endpoint enables you to query daily historical rates between two dates, providing a comprehensive view of price movements over time.
Fluctuation Endpoint: Track how prices fluctuate on a day-to-day basis, which is crucial for understanding market volatility.
Carat Endpoint: Retrieve information about Gold rates by Carat, which can be essential for jewelers and investors.
Lowest/Highest Price Endpoint: This feature allows you to query the API for the lowest and highest prices within a specified timeframe.
Open/High/Low/Close (OHLC) Price Endpoint: Access detailed OHLC data for a specific time period, which is vital for technical analysis.
Historical LME Endpoint: Access historical rates for LME symbols dating back to 2008, providing a long-term perspective on metal prices.
API Key: Your unique API key is essential for accessing the API and must be included in your requests.
API Response: The API delivers exchange rates relative to USD, ensuring consistency in data interpretation.
Supported Symbols Endpoint: This constantly updated endpoint returns all available currencies and metal symbols, ensuring you have the latest information.

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.

API Endpoint Examples and Responses

To illustrate the functionality of the Metals-API, let’s explore some example responses from various endpoints.

Latest Rates Endpoint

{
"success": true,
"timestamp": 1780704962,
"base": "USD",
"date": "2026-06-06",
"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"
}

This response provides the latest exchange rates for various metals, including Gold (XAU) and Silver (XAG). The "success" field indicates that the request was successful, while the "rates" object contains the current pricing information.

Historical Rates Endpoint

{
"success": true,
"timestamp": 1780618562,
"base": "USD",
"date": "2026-06-05",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915,
"XPD": 0.000748
},
"unit": "per troy ounce"
}

This example demonstrates how to access historical rates for a specific date. The response includes the date of the request and the corresponding rates for each metal.

Time-Series Endpoint

{
"success": true,
"timeseries": true,
"start_date": "2026-05-30",
"end_date": "2026-06-06",
"base": "USD",
"rates": {
"2026-05-30": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-06-01": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-06-06": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912
}
},
"unit": "per troy ounce"
}

The time-series endpoint allows you to track price movements over a specified period. This data is crucial for identifying trends and making informed predictions about future price behavior.

Convert Endpoint

{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1780704962,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

This response illustrates the conversion feature, allowing you to convert an amount from one metal to another. In this case, it converts 1000 USD to its equivalent in Gold (XAU).

Fluctuation Endpoint

{
"success": true,
"fluctuation": true,
"start_date": "2026-05-30",
"end_date": "2026-06-06",
"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"
}

The fluctuation endpoint provides insights into how prices have changed over a specified period, which is essential for understanding market volatility and making strategic decisions.

OHLC (Open/High/Low/Close) Endpoint

{
"success": true,
"timestamp": 1780704962,
"base": "USD",
"date": "2026-06-06",
"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"
}

This endpoint provides detailed OHLC data, which is crucial for traders and analysts who rely on technical analysis to make informed decisions.

Bid/Ask Endpoint

{
"success": true,
"timestamp": 1780704962,
"base": "USD",
"date": "2026-06-06",
"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"
}

The bid/ask endpoint provides current bid and ask prices, which are essential for traders looking to execute orders at optimal prices.

Conclusion

In conclusion, the Metals-API offers a robust solution for developers seeking to access historical prices and real-time data for Yellow Brass and other metals. By leveraging the various endpoints available, developers can create applications that provide valuable insights into metal pricing trends, enabling informed decision-making in a rapidly changing market. The ability to access historical data, track fluctuations, and convert between metals empowers businesses to navigate the complexities of the metal markets with confidence.

For further exploration of the API's capabilities, be sure to check out the Metals-API Documentation and the Metals-API Supported Symbols page. As the metal markets continue to evolve, staying informed and utilizing the right tools will be key to success.

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How to Get Yellow Brass (Y-BRASS) Historical Prices Programmatically using this API