How to Get Kerala Silver (KERA-XAG) Historical Prices with a Simple API Call

Introduction

In the world of precious metals trading, having access to accurate and timely data is crucial for making informed decisions. One of the most sought-after metals is silver, represented by the symbol XAG. If you're looking to obtain historical prices for Kerala Silver (KERA-XAG), the Metals-API offers a robust solution through its comprehensive API. This blog post will guide you through the process of retrieving historical prices for silver using the Metals-API, while also exploring the broader context of silver's industrial applications, technological advancements, and the transformative potential of real-time metals data.

About Silver (XAG)

Silver, known for its lustrous appearance and high conductivity, plays a vital role in various industrial applications. From electronics to solar panels, silver's unique properties make it indispensable in modern manufacturing. The integration of smart manufacturing technologies has further enhanced the efficiency of silver production, allowing for real-time monitoring and optimization of supply chains.

In recent years, the digital market for silver has expanded significantly, driven by innovations in technology and data analytics. Investors and developers alike are leveraging digital tools to analyze market trends, assess risks, and make informed trading decisions. The Metals-API stands at the forefront of this digital transformation, providing developers with the tools necessary to build next-generation applications that harness the power of real-time metals data.

Metals-API Overview

The Metals-API is a powerful JSON API that provides access to real-time and historical data for various metals, including silver. With a wide range of endpoints, the API allows users to retrieve the latest rates, historical prices, and other essential information about precious metals. This API is designed for developers looking to integrate metals data into their applications, offering flexibility and scalability.

One of the key features of the Metals-API is its ability to deliver real-time exchange rate data, updated at intervals depending on the user's subscription plan. This ensures that developers have access to the most current market information, which is critical for applications that require up-to-the-minute data.

Key Features of Metals-API

The Metals-API offers a variety of endpoints, each tailored to meet specific needs. Here are some of the most notable features:

Latest Rates Endpoint

The Latest Rates Endpoint provides real-time exchange rate data for all available metals. Depending on your subscription plan, this endpoint can return updates every 60 minutes, every 10 minutes, or even more frequently. This feature is particularly useful for traders who need to stay informed about market fluctuations.

{
"success": true,
"timestamp": 1774656979,
"base": "USD",
"date": "2026-03-28",
"rates": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912,
"XPD": 0.000744
},
"unit": "per troy ounce"
}

Historical Rates Endpoint

For those interested in analyzing past market trends, the Historical Rates Endpoint allows users to access historical exchange rates dating back to 2019. By appending a specific date to the API call, developers can retrieve valuable data for analysis and reporting.

{
"success": true,
"timestamp": 1774570579,
"base": "USD",
"date": "2026-03-27",
"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 users to retrieve real-time bid and ask prices for metals. This information is crucial for traders looking to execute orders at the best possible prices.

{
"success": true,
"timestamp": 1774656979,
"base": "USD",
"date": "2026-03-28",
"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 particularly useful 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": 1774656979,
"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 invaluable for conducting in-depth market analysis and identifying trends over time.

{
"success": true,
"timeseries": true,
"start_date": "2026-03-21",
"end_date": "2026-03-28",
"base": "USD",
"rates": {
"2026-03-21": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-03-23": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-03-28": {
"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 a better understanding of market volatility.

{
"success": true,
"fluctuation": true,
"start_date": "2026-03-21",
"end_date": "2026-03-28",
"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
}
},
"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 traders looking to analyze market performance over time.

{
"success": true,
"timestamp": 1774656979,
"base": "USD",
"date": "2026-03-28",
"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
}
},
"unit": "per troy ounce"
}

Lowest/Highest Price Endpoint

The Lowest/Highest Price Endpoint allows users to query the API to get the lowest and highest price for a specific date. This feature is particularly useful for identifying market extremes and making strategic trading decisions.

{
"success": true,
"timestamp": 1774656979,
"base": "USD",
"date": "2026-03-28",
"rates": {
"XAU": {
"lowest": 0.000481,
"highest": 0.000487
},
"XAG": {
"lowest": 0.0381,
"highest": 0.0383
}
},
"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's pricing data.

{
"success": true,
"timestamp": 1774570579,
"base": "USD",
"date": "2026-03-27",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915,
"XPD": 0.000748
},
"unit": "per troy ounce"
}

API Key and Authentication

To access the Metals-API, users must obtain an API Key, which is a unique identifier passed into the API base URL's access_key parameter. This key is essential for authentication and ensures that only authorized users can access the data. Developers should keep their API keys secure and avoid exposing them in public repositories.

Understanding API Responses

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. Each API response includes a success flag, a timestamp, and the requested data, allowing for straightforward error handling and data validation.

Common Use Cases

Developers can leverage the Metals-API for a variety of applications, including:

• Building trading platforms that require real-time metals data.
• Creating financial analysis tools that utilize historical price data for forecasting.
• Integrating metals pricing into e-commerce platforms for jewelry and precious metal sales.

Performance Optimization and Scaling

When integrating the Metals-API into applications, developers should consider performance optimization strategies. This includes implementing caching mechanisms to reduce API calls for frequently accessed data, as well as optimizing data retrieval processes to ensure quick response times.

Security Considerations

Security is paramount when working with APIs. Developers should follow best practices such as using HTTPS for all API requests, regularly rotating API keys, and implementing rate limiting to prevent abuse. Additionally, it's important to validate and sanitize all incoming data to protect against injection attacks.

Conclusion

Accessing historical prices for Kerala Silver (KERA-XAG) has never been easier, thanks to the capabilities of the Metals-API. By utilizing the various endpoints, developers can retrieve real-time and historical data, enabling them to build sophisticated applications that cater to the needs of traders and investors alike. The API's robust features, combined with its focus on innovation and technological advancement, position it as a valuable resource in the ever-evolving landscape of precious metals trading.

For more information, visit the Metals-API Website, explore the Metals-API Documentation, and check out the Metals-API Supported Symbols for a comprehensive list of available metals.