Monitor Madurai Gold 18k (MADU-18k) prices using this API

Introduction

Monitoring the prices of Gold (XAU) is crucial for investors, traders, and businesses involved in precious metals. With the rise of digital transformation in the financial sector, having access to real-time data is more important than ever. The Metals-API provides a robust solution for tracking Gold prices, including the Madurai Gold 18k (MADU-18k). This blog post will delve into the capabilities of the Metals-API, exploring its features, endpoints, and how it can empower developers to create innovative applications for the precious metals market.

About Gold (XAU)

Gold has long been a symbol of wealth and stability, serving as a hedge against inflation and economic uncertainty. In recent years, the digital transformation of precious metals trading has opened new avenues for data analytics and market insights. With the integration of technology in trading, investors can now leverage real-time data to make informed decisions. The Metals-API stands at the forefront of this transformation, offering developers the tools needed to innovate in price discovery and digital asset solutions.

API Description

The Metals-API is a powerful tool that provides real-time and historical data on various metals, including Gold (XAU). It enables developers to build next-generation applications that can analyze market trends, track price fluctuations, and convert currencies seamlessly. The API's capabilities extend beyond mere data retrieval; it empowers users to harness the potential of real-time metals data for strategic decision-making.

For comprehensive information on how to utilize the API, refer to the Metals-API Documentation. This resource provides detailed guidance on API usage, including authentication, endpoint descriptions, and response formats.

Key Features and Endpoints

The Metals-API offers a variety of endpoints that cater to different needs in the precious metals market. Here are some of the key features:

Latest Rates Endpoint

The Latest Rates endpoint provides real-time exchange rate data for various metals, including Gold. Depending on your subscription plan, the API updates this data every 60 minutes or every 10 minutes. This feature is essential for traders who need to stay informed about the latest market conditions.

{
"success": true,
"timestamp": 1776298344,
"base": "USD",
"date": "2026-04-16",
"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

Accessing historical rates is crucial for analyzing market trends over time. The Historical Rates endpoint allows users to retrieve data dating back to 2019. By appending a specific date in the YYYY-MM-DD format, developers can query the API for past rates, enabling them to conduct thorough analyses.

{
"success": true,
"timestamp": 1776211944,
"base": "USD",
"date": "2026-04-15",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915,
"XPD": 0.000748
},
"unit": "per troy ounce"
}

Bid And Ask Endpoint

The Bid and Ask endpoint is a powerful feature that provides real-time bid and ask prices for metals. This information is vital for traders looking to make quick decisions based on market conditions. The API returns the current bid and ask prices, along with the spread, allowing for effective trading strategies.

{
"success": true,
"timestamp": 1776298344,
"base": "USD",
"date": "2026-04-16",
"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"
}

Convert Endpoint

The Convert endpoint allows users to convert any amount from one metal to another or to/from USD. This feature is particularly useful for businesses that deal with multiple currencies and need to calculate prices accurately.

{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1776298344,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Time-Series Endpoint

The Time-Series endpoint allows users to query the API for daily historical rates between two dates of their choice. This feature is essential for conducting in-depth analyses of price movements over specific periods, helping traders identify trends and make informed decisions.

{
"success": true,
"timeseries": true,
"start_date": "2026-04-09",
"end_date": "2026-04-16",
"base": "USD",
"rates": {
"2026-04-09": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-04-11": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-04-16": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912
}
},
"unit": "per troy ounce"
}

Fluctuation Endpoint

The Fluctuation endpoint provides insights into how currencies fluctuate on a day-to-day basis. By tracking rate changes between two dates, users can gain valuable insights into market volatility, which is crucial for risk management and strategic planning.

{
"success": true,
"fluctuation": true,
"start_date": "2026-04-09",
"end_date": "2026-04-16",
"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"
}

Open/High/Low/Close (OHLC) Price Endpoint

The OHLC Price endpoint provides essential data for traders looking to analyze market performance over specific periods. This endpoint returns the open, high, low, and close prices for a given date, enabling users to assess market trends effectively.

{
"success": true,
"timestamp": 1776298344,
"base": "USD",
"date": "2026-04-16",
"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"
}

Historical LME Endpoint

The Historical LME endpoint provides access to historical rates for LME symbols dating back to 2008. This feature is particularly useful for businesses and analysts who require long-term data for comprehensive market analysis.

API Key and Response

Your API Key is essential for accessing the Metals-API. It must be included in the API base URL's access_key parameter to authenticate your requests. The API delivers exchange rates relative to USD by default, ensuring consistency in data interpretation.

Available Endpoints

The Metals-API comprises 14 endpoints, each designed to provide specific functionalities. This extensive range allows developers to tailor their applications to meet diverse needs in the precious metals market.

Supported Symbols Endpoint

The Supported Symbols endpoint returns a constantly updated list of all available currencies and metals. This feature is crucial for developers who need to ensure their applications are aligned with the latest market offerings. For a complete list of supported symbols, visit the Metals-API Supported Symbols page.

News Endpoint

The News endpoint allows users to retrieve the latest news articles related to various metals. Staying informed about market developments is essential for making strategic decisions, and this feature provides a valuable resource for traders and investors.

Conclusion

The Metals-API is a transformative tool for anyone involved in the precious metals market, particularly for monitoring Gold (XAU) prices like Madurai Gold 18k (MADU-18k). By leveraging its extensive features and endpoints, developers can create innovative applications that provide real-time data, historical insights, and comprehensive market analysis. Whether you're a trader, investor, or business owner, the Metals-API equips you with the necessary tools to navigate the complexities of the precious metals market effectively.

For more information on how to get started with the Metals-API, visit the Metals-API Website and explore the Metals-API Documentation for detailed guidance on implementation and usage.