Fetch Bangladeshi Taka (BDT) Historical Prices utilizing this API

Introduction

In today's rapidly evolving financial landscape, the ability to fetch historical prices of currencies like the Bangladeshi Taka (BDT) has become increasingly vital for developers and analysts alike. Utilizing the Metals-API, developers can access a wealth of data regarding metals and their corresponding currency values, including BDT. This blog post will delve into the capabilities of the Metals-API, explore the various endpoints available for fetching historical prices, and discuss the transformative potential of real-time metals data.

About Bangladeshi Taka (BDT)

The Bangladeshi Taka (BDT) is the official currency of Bangladesh, a country known for its vibrant economy and growing industrial sector. As the global market continues to undergo digital transformation, the metal markets are no exception. The integration of smart technology and data analytics has revolutionized how traders and developers interact with currency data, particularly in the context of metals.

Technological innovations have paved the way for enhanced data insights, allowing stakeholders to make informed decisions based on real-time information. The Metals-API stands at the forefront of this transformation, providing developers with the tools necessary to build next-generation applications that leverage historical and real-time data.

API Description

The Metals-API is a powerful JSON API that offers comprehensive access to metals prices and currency conversion data. It empowers developers to create applications that can fetch real-time and historical data, enabling them to analyze trends, perform conversions, and track fluctuations in metal prices.

With its robust infrastructure, the Metals-API supports a variety of endpoints that cater to different data needs. Whether you are looking to retrieve the latest rates, historical prices, or even perform conversions, the Metals-API provides a seamless experience for developers.

Key Features and Endpoints

The Metals-API offers a range of endpoints that can be utilized for various applications. Here are some of the key features:

Latest Rates Endpoint

The Latest Rates Endpoint provides real-time exchange rate data, updated at intervals depending on your subscription plan. This endpoint is crucial for applications that require the most current pricing information. For instance, if you are developing a trading platform, having access to the latest rates can significantly enhance user experience and decision-making.

{
"success": true,
"timestamp": 1776989934,
"base": "USD",
"date": "2026-04-24",
"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

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 who need to study price trends over time. By appending a specific date to the API call, developers can retrieve historical data that can be used for forecasting and analysis.

{
"success": true,
"timestamp": 1776903534,
"base": "USD",
"date": "2026-04-23",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915,
"XPD": 0.000748
},
"unit": "per troy ounce"
}

Bid And Ask Endpoint

This endpoint provides real-time Bid and Ask prices, which are essential for traders looking to make informed decisions based on market conditions. The Bid price represents the maximum price that a buyer is willing to pay for a metal, while the Ask price is the minimum price that a seller is willing to accept. Understanding these prices can help developers create applications that facilitate trading and investment strategies.

{
"success": true,
"timestamp": 1776989934,
"base": "USD",
"date": "2026-04-24",
"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 is a versatile feature that allows users to convert any amount from one currency to another. This is particularly useful for applications that require currency conversion functionalities, such as e-commerce platforms or financial analysis tools. By specifying the amount and the currencies involved, developers can easily integrate this feature into their applications.

{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1776989934,
"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 those conducting in-depth analyses of price movements over time. By understanding how prices have fluctuated, developers can create predictive models and insights that can guide investment decisions.

{
"success": true,
"timeseries": true,
"start_date": "2026-04-17",
"end_date": "2026-04-24",
"base": "USD",
"rates": {
"2026-04-17": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-04-19": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-04-24": {
"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. This data can be crucial for traders who need to understand market volatility and make quick decisions based on real-time information. By analyzing fluctuations, developers can create applications that alert users to significant changes in metal prices.

{
"success": true,
"fluctuation": true,
"start_date": "2026-04-17",
"end_date": "2026-04-24",
"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 provides detailed information about the 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. By understanding price movements throughout the day, developers can create applications that visualize trends and patterns in metal prices.

{
"success": true,
"timestamp": 1776989934,
"base": "USD",
"date": "2026-04-24",
"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 developers working with metals traded on the London Metal Exchange, allowing them to analyze long-term trends and make data-driven decisions.

API Key and Authentication

To access the Metals-API, developers 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.

API Response and Data Structure

The response from the Metals-API is structured in a JSON format, making it easy for developers to parse and utilize the data. Each response includes a success field indicating whether the request was successful, a timestamp for the data retrieval, and the base currency used for the rates. The rates are provided in relation to the base currency, allowing for straightforward comparisons and conversions.

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.

Conclusion

In conclusion, the Metals-API offers a robust and versatile solution for developers seeking to fetch historical prices of the Bangladeshi Taka (BDT) and other currencies. With its extensive range of endpoints, the API empowers developers to create innovative applications that leverage real-time and historical data. By understanding the capabilities of the Metals-API, developers can harness the power of data analytics and smart technology integration to drive their projects forward.

For further exploration, developers are encouraged to visit the Metals-API Documentation to gain deeper insights into the API's functionalities and best practices for implementation. As the financial landscape continues to evolve, staying informed and leveraging advanced tools like the Metals-API will be crucial for success in the competitive market.