Best GLL prices API for developers in 2025
Best GLL Prices API for Developers in 2025
As the world of finance continues to evolve, developers are increasingly seeking reliable and innovative solutions to access real-time data. One such solution is the Metals-API, which provides comprehensive data on precious metals, including ProShares UltraShort Gold (GLL). In this blog post, we will explore the features of the Metals-API, its capabilities, and how it can empower developers to create next-generation applications that leverage real-time metals data.
About ProShares UltraShort Gold (GLL)
ProShares UltraShort Gold (GLL) is an exchange-traded fund (ETF) that aims to provide investors with a way to profit from declines in the price of gold. As the demand for gold fluctuates due to various economic factors, understanding the underlying market dynamics is crucial for developers and investors alike. The digital transformation in metal markets has paved the way for technological innovations that enhance data analytics and insights.
With the integration of smart technology, developers can harness the power of real-time data to make informed decisions. The Metals-API serves as a bridge between developers and the vast world of metals trading, providing access to critical data that can influence market strategies. As we look towards the future, the possibilities for utilizing this data are endless, from algorithmic trading to advanced analytics.
API Description
The Metals-API is a powerful tool that provides developers with access to real-time and historical data on various metals, including gold, silver, platinum, and palladium. This API is designed to facilitate the integration of metals data into applications, enabling developers to create innovative solutions that respond to market changes in real-time.
One of the standout features of the Metals-API is its ability to deliver real-time exchange rate data. Depending on your subscription plan, the API can return the latest rates updated every 60 minutes, every 10 minutes, or even more frequently. This flexibility allows developers to tailor their applications to meet specific needs, whether they require instant updates or can work with slightly delayed data.
Key Features and Endpoints
The Metals-API offers a range of endpoints that cater to various data needs. Here are some of the key features:
Latest Rates Endpoint
The Latest Rates Endpoint provides real-time exchange rate data for all available metals. This endpoint is essential for applications that require up-to-the-minute pricing information. For example, a developer can query the API to retrieve the latest gold price in USD:
{
"success": true,
"timestamp": 1742086925,
"base": "USD",
"date": "2025-03-16",
"rates": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912,
"XPD": 0.000744
},
"unit": "per troy ounce"
}Historical Rates Endpoint
Accessing historical rates is crucial for trend analysis and forecasting. The Historical Rates Endpoint allows developers to query historical exchange rates dating back to 2019. By appending a specific date to the API request, developers can retrieve past rates and analyze market movements:
{
"success": true,
"timestamp": 1742000525,
"base": "USD",
"date": "2025-03-15",
"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 enables developers to retrieve real-time bid and ask prices for metals. This information is vital for traders looking to make informed decisions based on market spreads:
{
"success": true,
"timestamp": 1742086925,
"base": "USD",
"date": "2025-03-16",
"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 developers 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:
{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1742086925,
"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 invaluable for analyzing trends over time and making data-driven decisions:
{
"success": true,
"timeseries": true,
"start_date": "2025-03-09",
"end_date": "2025-03-16",
"base": "USD",
"rates": {
"2025-03-09": {
"XAU": 0.000485,
"XAG": 0.03825
},
"2025-03-11": {
"XAU": 0.000483,
"XAG": 0.0382
},
"2025-03-16": {
"XAU": 0.000482,
"XAG": 0.03815
}
},
"unit": "per troy ounce"
}Fluctuation Endpoint
Using the Fluctuation Endpoint, developers can retrieve information about how metal prices fluctuate on a day-to-day basis. This endpoint is particularly useful for understanding market volatility:
{
"success": true,
"fluctuation": true,
"start_date": "2025-03-09",
"end_date": "2025-03-16",
"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 provides developers with open, high, low, and close prices for a specific time period. This data is essential for technical analysis and trading strategies:
{
"success": true,
"timestamp": 1742086925,
"base": "USD",
"date": "2025-03-16",
"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 crucial for developers looking to analyze long-term trends in the metals market:
{
"success": true,
"timestamp": 1742000525,
"base": "USD",
"date": "2025-03-15",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825
},
"unit": "per troy ounce"
}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 into their applications.
API Key and Response
Your API Key is the unique key that is passed into the API base URL's access_key parameter. This key is essential for authenticating your requests and ensuring secure access to the API. The exchange rates delivered by the Metals-API are by default relative to USD, and all data is returned in a structured JSON format, making it easy to parse and integrate into applications.
Conclusion
The Metals-API is a powerful tool for developers looking to access real-time and historical data on precious metals. With its extensive range of endpoints and capabilities, it empowers developers to create innovative applications that respond to market changes. By leveraging the API's features, developers can gain valuable insights into market trends, optimize trading strategies, and enhance their applications with real-time data.
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.