Implementing API to Get Swazi Lilangeni (SZL) Historical Prices

In today's fast-paced financial landscape, accessing accurate and timely data is crucial for developers and businesses alike. One of the most significant aspects of financial data is currency exchange rates, particularly when dealing with less common currencies like the Swazi Lilangeni (SZL). Implementing an API to retrieve historical prices for SZL can empower developers to create innovative applications that provide valuable insights into currency trends. The Metals-API is a powerful tool that offers comprehensive access to historical prices, including those for the Swazi Lilangeni, and can be seamlessly integrated into various applications.

Metals-API Information

The Metals-API is a robust platform designed to provide real-time and historical data for various metals and currencies. It is particularly beneficial for developers looking to integrate metal price data into their applications. The API is built on modern technological advancements, allowing for efficient data retrieval and analysis. With its user-friendly interface and extensive documentation, developers can quickly implement the API to access the data they need.

About Tin (XSN)

Tin, represented by the symbol XSN, is a metal that has seen significant changes in market dynamics due to digital transformation. The integration of smart technologies and data analytics has revolutionized how metal markets operate. Developers can leverage these advancements to create applications that provide insights into tin pricing trends, market fluctuations, and future possibilities.

As the world moves towards greater technological innovation, the demand for real-time data analytics in the metal markets continues to grow. The Metals-API allows developers to tap into this potential, offering features that enable the integration of smart technology into their applications. By utilizing the API, developers can create solutions that not only track current prices but also analyze historical data to forecast future trends.

API Description

The Metals-API is designed to empower developers to build next-generation applications that require real-time metals data. With its extensive capabilities, the API provides access to a wide range of endpoints that cater to various data needs. Whether you are looking for the latest rates, historical prices, or specific metal data, the Metals-API has you covered.

For more detailed information, developers can refer to the Metals-API Documentation, which provides comprehensive guidance on how to utilize the API effectively. The documentation includes detailed explanations of each endpoint, parameter descriptions, and example responses to help developers understand how to implement the API in their applications.

Key Features and Endpoints

The Metals-API offers a variety of endpoints that provide different functionalities, making it a versatile tool for developers. Here are some of the key features:

Latest Rates Endpoint: This endpoint returns real-time exchange rate data, updated based on your subscription plan. Depending on the plan, updates can occur every 60 minutes or every 10 minutes, ensuring you have access to the most current data.
Historical Rates Endpoint: Developers can access historical rates for most currencies dating back to 2019. By appending a specific date in the format YYYY-MM-DD, you can query the Metals-API for historical rates, allowing for in-depth analysis of currency trends over time.
Bid And Ask Endpoint: This powerful feature enables you to retrieve real-time bid and ask prices for various metals. Depending on your subscription plan, you can access this data to make informed trading decisions.
Convert Endpoint: The Metals-API includes a currency conversion endpoint, allowing you to convert any amount from one currency to another. This feature is particularly useful for applications that require real-time conversion rates.
Time-Series Endpoint: This endpoint allows you to query the API for daily historical rates between two dates of your choice. This feature is ideal for analyzing trends over specific time periods.
Fluctuation Endpoint: With this endpoint, you can retrieve information about how currencies fluctuate on a day-to-day basis. This data is crucial for understanding market volatility.
Carat Endpoint: This endpoint provides information about gold rates by carat, allowing developers to access detailed pricing data for gold.
Lowest/Highest Price Endpoint: This feature allows you to query the API to get the lowest and highest prices for a specified date, providing insights into market extremes.
Open/High/Low/Close (OHLC) Price Endpoint: This endpoint provides open, high, low, and close prices for a specific date, essential for technical analysis.
Historical LME Endpoint: Access historical rates for LME symbols dating back to 2008, providing a wealth of data for analysis.
API Key: Your unique API key is required to access the API, ensuring secure and authorized usage.
API Response: The API delivers exchange rates relative to USD by default, with all data returned in a structured JSON format.
Available Endpoints: The Metals-API includes 14 endpoints, each offering different functionalities to cater to various data needs.
Supported Symbols Endpoint: This endpoint provides a constantly updated list of all available currencies, ensuring you have access to the latest symbols.
News Endpoint: Retrieve the latest news articles related to various metals, keeping you informed about market developments.

For a complete list of all supported symbols and their specifications, refer to the Metals-API Supported Symbols page.

API Endpoint Examples and Responses

Understanding how to interpret API responses is crucial for developers. Below are examples of various endpoints and their corresponding JSON responses:

Latest Rates Endpoint

Get real-time exchange rates for all available metals.

{
"success": true,
"timestamp": 1776780937,
"base": "USD",
"date": "2026-04-21",
"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

Access historical exchange rates for any date since 1999.

{
"success": true,
"timestamp": 1776694537,
"base": "USD",
"date": "2026-04-20",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915,
"XPD": 0.000748
},
"unit": "per troy ounce"
}

Time-series Endpoint

Get exchange rates for a specific time period.

{
"success": true,
"timeseries": true,
"start_date": "2026-04-14",
"end_date": "2026-04-21",
"base": "USD",
"rates": {
"2026-04-14": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-04-16": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-04-21": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912
}
},
"unit": "per troy ounce"
}

Convert Endpoint

Convert any amount from one metal to another or to/from USD.

{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1776780937,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Fluctuation Endpoint

Track rate fluctuations between two dates.

{
"success": true,
"fluctuation": true,
"start_date": "2026-04-14",
"end_date": "2026-04-21",
"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"
}

OHLC (Open/High/Low/Close) Endpoint

Get OHLC data for a specific time period.

{
"success": true,
"timestamp": 1776780937,
"base": "USD",
"date": "2026-04-21",
"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"
}

Bid/Ask Endpoint

Get current bid and ask prices for metals.

{
"success": true,
"timestamp": 1776780937,
"base": "USD",
"date": "2026-04-21",
"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"
}

Conclusion

Implementing an API to retrieve historical prices for the Swazi Lilangeni (SZL) using the Metals-API opens up a world of possibilities for developers. With its extensive features and capabilities, the Metals-API allows for real-time data access, historical analysis, and integration of advanced functionalities into applications. By leveraging the API, developers can create innovative solutions that provide valuable insights into currency trends and market dynamics.

For those looking to dive deeper into the capabilities of the Metals-API, the Metals-API Website offers a wealth of resources, including detailed documentation and a comprehensive list of supported symbols. By utilizing these tools, developers can enhance their applications and provide users with the most accurate and timely financial data available.

In summary, the Metals-API is an essential resource for developers seeking to implement currency data retrieval, particularly for less common currencies like the Swazi Lilangeni. With its user-friendly interface and extensive documentation, the API is designed to facilitate seamless integration and empower developers to create next-generation applications that harness the power of real-time metals data.

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Implementing API to Get Swazi Lilangeni (SZL) Historical Prices