Implement this API to access Chennai Gold 18k (CHEN-18k) Historical Prices

Introduction

In the world of precious metals, gold (XAU) stands as a symbol of wealth and stability. For developers and financial analysts, accessing accurate historical prices of gold is crucial for making informed decisions. The Metals-API provides a robust solution for retrieving historical prices of Chennai Gold 18k (CHEN-18k) and other metals. This blog post will delve into the capabilities of the Metals-API, focusing on how it empowers developers to access and analyze historical gold prices effectively.

Understanding Gold (XAU)

Gold has long been regarded as a safe haven asset, especially during times of economic uncertainty. Its value is influenced by various factors, including market demand, geopolitical events, and currency fluctuations. With the advent of digital transformation, the way we trade and analyze gold has evolved significantly. The integration of data analytics and technology in trading has opened new avenues for innovation in price discovery and market insights.

The Role of Technology in Precious Metals Trading

As the financial landscape continues to evolve, the integration of technology in precious metals trading has become paramount. The Metals-API exemplifies this transformation by offering real-time data and analytics that empower developers to build next-generation applications. By leveraging the API, developers can access a wealth of information, including historical prices, bid and ask rates, and conversion rates, all of which are essential for making informed trading decisions.

API Description

The Metals-API is a powerful tool designed to provide developers with real-time and historical data on various metals, including gold. With its user-friendly interface and comprehensive documentation, the API enables developers to seamlessly integrate metal price data into their applications. The API supports a wide range of functionalities, allowing users to retrieve the latest rates, historical prices, and even perform currency conversions.

For detailed information on how to get started, refer to the Metals-API Documentation.

Key Features of Metals-API

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

Latest Rates Endpoint

The Latest Rates Endpoint provides real-time exchange rate data for various metals, updated based on your subscription plan. This endpoint is crucial for traders who need to stay informed about the current market conditions. Depending on the plan, updates can occur every 60 minutes or even every 10 minutes.

{
"success": true,
"timestamp": 1777249193,
"base": "USD",
"date": "2026-04-27",
"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 most currencies dating back to 2019. This feature is particularly useful for analysts looking to identify trends and patterns in gold prices over time. By appending a specific date to the API request, users can retrieve historical data for analysis.

{
"success": true,
"timestamp": 1777162793,
"base": "USD",
"date": "2026-04-26",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"unit": "per troy ounce"
}

Bid and Ask Endpoint

The Bid and Ask Endpoint provides real-time bid and ask prices for metals, allowing traders to gauge market sentiment and make informed decisions. This endpoint is particularly beneficial for those engaged in high-frequency trading, where timing is critical.

{
"success": true,
"timestamp": 1777249193,
"base": "USD",
"date": "2026-04-27",
"rates": {
"XAU": {
"bid": 0.000481,
"ask": 0.000483,
"spread": 2.0e-6
},
"XAG": {
"bid": 0.0381,
"ask": 0.0382,
"spread": 0.0001
}
},
"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 essential for traders who need to quickly assess the value of their holdings in different currencies.

{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1777249193,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Time-Series Endpoint

The Time-Series Endpoint enables users to query the API for daily historical rates between two specified dates. This functionality is particularly useful for conducting in-depth analyses of price movements over time.

{
"success": true,
"timeseries": true,
"start_date": "2026-04-20",
"end_date": "2026-04-27",
"base": "USD",
"rates": {
"2026-04-20": {
"XAU": 0.000485,
"XAG": 0.03825
},
"2026-04-22": {
"XAU": 0.000483,
"XAG": 0.0382
},
"2026-04-27": {
"XAU": 0.000482,
"XAG": 0.03815
}
},
"unit": "per troy ounce"
}

Fluctuation Endpoint

The Fluctuation Endpoint provides insights into how currencies fluctuate on a day-to-day basis. This information is vital for traders looking to understand market volatility and make strategic decisions.

{
"success": true,
"fluctuation": true,
"start_date": "2026-04-20",
"end_date": "2026-04-27",
"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 users to retrieve the open, high, low, and close prices for a specific time period. This data is essential for technical analysis and helps traders identify potential entry and exit points.

{
"success": true,
"timestamp": 1777249193,
"base": "USD",
"date": "2026-04-27",
"rates": {
"XAU": {
"open": 0.000485,
"high": 0.000487,
"low": 0.000481,
"close": 0.000482
}
},
"unit": "per troy ounce"
}

Lowest/Highest Price Endpoint

The Lowest/Highest Price Endpoint allows users to query the API for the lowest and highest prices of metals over a specified date range. This feature is particularly useful for identifying market extremes and making strategic trading decisions.

{
"success": true,
"timestamp": 1777249193,
"base": "USD",
"date": "2026-04-27",
"rates": {
"XAU": {
"lowest": 0.000481,
"highest": 0.000487
}
},
"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 invaluable for traders and analysts who require comprehensive historical data for their analyses.

{
"success": true,
"timestamp": 1777162793,
"base": "USD",
"date": "2026-04-26",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825
},
"unit": "per troy ounce"
}

API Key and Authentication

To access the Metals-API, users must obtain an API key, which is passed into the API base URL's access_key parameter. This key is essential for authenticating requests and ensuring secure access to the API's features.

API Response Structure

The API responses are structured in JSON format, providing a clear and concise way to access the requested data. Each response includes fields such as success, timestamp, base currency, date, and rates, which detail the exchange rates for the requested metals.

Common Use Cases for Metals-API

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

• Building trading platforms that require real-time and historical price data.
• Creating financial analysis tools that utilize historical data for trend analysis.
• Integrating metal price data into existing financial applications for enhanced functionality.

Conclusion

The Metals-API offers a comprehensive solution for accessing real-time and historical prices of gold and other metals. By utilizing its various endpoints, developers can create powerful applications that provide valuable insights into the precious metals market. With features such as the Latest Rates, Historical Rates, and Bid and Ask endpoints, the API empowers users to make informed trading decisions based on accurate and timely data.

For more information on the available symbols, visit the Metals-API Supported Symbols page. By integrating the Metals-API into your applications, you can harness the power of real-time metals data and stay ahead in the ever-evolving financial landscape.