Fetch Chennai Gold 18k (CHEN-18k) Historical Prices for Research Purposes through this API

Introduction

In the world of finance, gold (XAU) has always held a significant place as a valuable asset. For developers and researchers looking to analyze historical prices of gold, the Metals-API provides a robust solution. This API allows users to fetch real-time and historical gold prices, enabling in-depth research and analysis. In this blog post, we will explore the capabilities of the Metals-API, focusing on how to retrieve historical prices for 18k gold (CHEN-18k) and the innovative features that make this API a powerful tool for developers.

About Gold (XAU)

Gold has been a symbol of wealth and a standard for monetary systems for centuries. In recent years, the digital transformation of precious metals has opened new avenues for trading and investment. The integration of technology in trading has led to innovative solutions for price discovery and market insights. With the rise of data analytics, developers can leverage real-time metals data to create applications that provide valuable insights into market trends.

The Metals-API stands at the forefront of this transformation, offering developers access to comprehensive data on gold and other precious metals. By utilizing this API, developers can build applications that not only track current prices but also analyze historical data to identify trends and make informed decisions.

API Description

The Metals-API is designed to empower developers with real-time and historical data on various metals, including gold (XAU). This API enables users to access a wealth of information that can be utilized for research, trading, and investment purposes. With its innovative features, the Metals-API allows developers to create next-generation applications that can analyze market trends and provide insights into price movements.

For detailed information on how to use the API, refer to the Metals-API Documentation, which provides comprehensive guidance on the available endpoints and their functionalities.

Key Features and Endpoints

The Metals-API offers a variety of endpoints that cater to different needs. Here are some of the key features and their potential applications:

Latest Rates Endpoint

The Latest Rates Endpoint provides real-time exchange rate data for gold and other metals. Depending on your subscription plan, this endpoint can return updates every 60 minutes, every 10 minutes, or even more frequently. This feature is essential for developers looking to build applications that require up-to-the-minute pricing information.

{
"success": true,
"timestamp": 1781914599,
"base": "USD",
"date": "2026-06-20",
"rates": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912,
"XPD": 0.000744
},
"unit": "per troy ounce"
}

Historical Rates Endpoint

The Historical Rates Endpoint allows users to access historical exchange rates for gold dating back to 2019. By appending a specific date to the API request, developers can retrieve past prices, which is invaluable for research and analysis.

{
"success": true,
"timestamp": 1781828199,
"base": "USD",
"date": "2026-06-19",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"unit": "per troy ounce"
}

Bid And Ask Endpoint

This powerful feature enables developers to retrieve real-time bid and ask prices for gold and other metals. The Bid and Ask Endpoint is crucial for applications that require precise pricing for trading purposes.

{
"success": true,
"timestamp": 1781914599,
"base": "USD",
"date": "2026-06-20",
"rates": {
"XAU": {
"bid": 0.000481,
"ask": 0.000483,
"spread": 2.0e-6
}
},
"unit": "per troy ounce"
}

Convert Endpoint

The Convert Endpoint allows users to convert amounts from one metal to another or to/from USD. This feature is particularly useful for applications that require currency conversion for pricing or trading.

{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1781914599,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Time-Series Endpoint

The Time-Series Endpoint allows developers to query the API for daily historical rates between two specified dates. This feature is essential for analyzing trends over time and understanding how gold prices fluctuate.

{
"success": true,
"timeseries": true,
"start_date": "2026-06-13",
"end_date": "2026-06-20",
"base": "USD",
"rates": {
"2026-06-13": {
"XAU": 0.000485
},
"2026-06-20": {
"XAU": 0.000482
}
},
"unit": "per troy ounce"
}

Fluctuation Endpoint

The Fluctuation Endpoint provides information about how gold prices fluctuate on a day-to-day basis. This feature is useful for developers looking to analyze volatility and price trends over specific periods.

{
"success": true,
"fluctuation": true,
"start_date": "2026-06-13",
"end_date": "2026-06-20",
"base": "USD",
"rates": {
"XAU": {
"start_rate": 0.000485,
"end_rate": 0.000482,
"change": -3.0e-6,
"change_pct": -0.62
}
},
"unit": "per troy ounce"
}

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

The OHLC Price Endpoint allows developers to retrieve open, high, low, and close prices for a specific time period. This data is crucial for technical analysis and understanding market behavior.

{
"success": true,
"timestamp": 1781914599,
"base": "USD",
"date": "2026-06-20",
"rates": {
"XAU": {
"open": 0.000485,
"high": 0.000487,
"low": 0.000481,
"close": 0.000482
}
},
"unit": "per troy ounce"
}

Historical LME Endpoint

The Historical LME Endpoint provides access to historical rates for LME symbols dating back to 2008. This endpoint is particularly useful for developers interested in analyzing historical data for metals traded on the London Metal Exchange.

{
"success": true,
"timestamp": 1781828199,
"base": "USD",
"date": "2026-06-19",
"rates": {
"XAU": 0.000485
},
"unit": "per troy ounce"
}

API Key and Security

Your API Key is a unique identifier that must be included in every API request. This key ensures that only authorized users can access the data. It is essential to keep your API Key secure and not expose it in public repositories.

API Response

The Metals-API delivers exchange rates relative to USD by default. All data is returned in a structured JSON format, making it easy for developers to parse and utilize the information in their applications.

Performance and Optimization

When working with the Metals-API, it is crucial to consider performance optimization strategies. Implementing caching mechanisms can significantly reduce the number of API calls, improving application responsiveness. Additionally, understanding rate limits and quota management is essential to avoid service interruptions.

Common Use Cases

Developers can leverage the Metals-API for various applications, including:

• Building trading platforms that require real-time pricing data.
• Creating analytical tools that provide insights into historical price trends.
• Developing mobile applications that track gold prices and notify users of significant fluctuations.

Conclusion

The Metals-API is a powerful tool for developers looking to access real-time and historical data on gold and other precious metals. With its comprehensive features, including the ability to retrieve historical prices, bid and ask data, and fluctuation information, this API enables the development of innovative applications that can analyze market trends and provide valuable insights.

For more information on how to utilize the Metals-API, visit the Metals-API Website and explore the Metals-API Documentation for detailed guidance on each endpoint. Additionally, check the Metals-API Supported Symbols page for a comprehensive list of available metal symbols.