Find Detailed Historical Prices for Franklin Responsibly Sourced Gold ETF (FGDL) through this API

Introduction

In the world of finance, the ability to access detailed historical prices for assets like the Franklin Responsibly Sourced Gold ETF (FGDL) is crucial for investors and analysts alike. With the rise of digital transformation in precious metals trading, having access to real-time and historical data is more important than ever. This is where the Metals-API comes into play. This powerful API provides developers with the tools necessary to retrieve comprehensive data on gold and other precious metals, enabling them to build next-generation applications that leverage market insights and data analytics.

Understanding Gold (XAU)

Gold, represented by the symbol XAU, has long been a safe haven for investors. As a tangible asset, it offers a hedge against inflation and currency fluctuations. The digital transformation in precious metals has opened new avenues for trading and investment, allowing for greater accessibility and efficiency. With the integration of technology in trading, investors can now utilize data analytics to gain insights into market trends and price movements.

Moreover, innovation in price discovery mechanisms has led to more accurate and timely pricing of gold. Digital asset solutions are also emerging, allowing for the tokenization of gold and other precious metals, thus making them more accessible to a broader audience. The Metals-API is at the forefront of this transformation, providing developers with the necessary tools to harness the power of real-time metals data.

Metals-API Capabilities

The Metals-API Documentation outlines the extensive capabilities of the API, which empowers developers to access a wealth of information about precious metals. The API offers various endpoints that cater to different data needs, from real-time exchange rates to historical price data. This flexibility allows developers to create applications that can analyze trends, track fluctuations, and provide insights into the precious metals market.

Key Features of Metals-API

The Metals-API boasts a range of features that are essential for developers looking to integrate metals data into their applications. Here are some of the key endpoints and their functionalities:

Latest Rates Endpoint

The Latest Rates Endpoint provides real-time exchange rate data for various metals, updated based on your subscription plan. Depending on the plan, updates can occur every 60 minutes or every 10 minutes. This endpoint is crucial for applications that require up-to-the-minute pricing information.

{
"success": true,
"timestamp": 1777162847,
"base": "USD",
"date": "2026-04-26",
"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

For those interested in analyzing past performance, the Historical Rates Endpoint allows users to access historical rates dating back to 2019. By appending a specific date in the format YYYY-MM-DD, developers can retrieve historical pricing data, which is invaluable for trend analysis and forecasting.

{
"success": true,
"timestamp": 1777076447,
"base": "USD",
"date": "2026-04-25",
"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 enables developers to retrieve real-time bid and ask prices for various metals. This information is essential for traders who need to make informed decisions based on current market conditions.

{
"success": true,
"timestamp": 1777162847,
"base": "USD",
"date": "2026-04-26",
"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 applications that require currency conversion for pricing or trading purposes.

{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1777162847,
"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 dates of their choice. This is particularly useful for analyzing trends over specific periods and understanding market movements.

{
"success": true,
"timeseries": true,
"start_date": "2026-04-19",
"end_date": "2026-04-26",
"base": "USD",
"rates": {
"2026-04-19": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-04-21": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-04-26": {
"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, developers can gain a better understanding of market volatility.

{
"success": true,
"fluctuation": true,
"start_date": "2026-04-19",
"end_date": "2026-04-26",
"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 allows developers to retrieve open, high, low, and close prices for a specific time period. This data is essential for traders who rely on technical analysis to make informed decisions.

{
"success": true,
"timestamp": 1777162847,
"base": "USD",
"date": "2026-04-26",
"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 endpoint is particularly useful for those interested in the London Metal Exchange pricing data.

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 metals data into their applications.

Conclusion

In conclusion, the Metals-API offers a robust solution for developers seeking to access detailed historical prices for the Franklin Responsibly Sourced Gold ETF (FGDL) and other precious metals. With its extensive range of endpoints, the API provides real-time and historical data that can be leveraged for market analysis, trading strategies, and investment decisions. By utilizing the capabilities of the Metals-API, developers can create innovative applications that harness the power of data analytics and technology integration in the precious metals market. For more information, explore the Metals-API Documentation and start building your applications today.