Access Bangladeshi Taka (BDT) Exchange Rates in JSON Format for API Development Projects

In today's rapidly evolving financial landscape, accessing real-time exchange rates is crucial for developers working on API-driven projects. The Metals-API provides a robust solution for retrieving exchange rates, including the Bangladeshi Taka (BDT), in a convenient JSON format. This blog post will delve into the capabilities of the Metals-API, explore its various endpoints, and provide practical integration tips for developers looking to leverage this powerful tool in their applications.

Understanding Metals-API

The Metals-API is a comprehensive JSON API that offers real-time and historical data on metal prices and currency exchange rates. With a focus on innovation and technological advancement, this API empowers developers to create next-generation applications that require accurate and timely financial data. The API supports a wide range of functionalities, making it an essential resource for developers in the financial technology sector.

About Tellurium (TE)

When discussing Tellurium, it is essential to consider the broader context of digital transformation in metal markets. The integration of smart technology and data analytics has revolutionized how metals are traded and valued. As technological innovations continue to advance, the potential for enhanced insights and analytics becomes increasingly significant. Developers can harness these advancements to build applications that not only track metal prices but also analyze market trends and predict future movements.

API Description

The Metals-API offers a variety of endpoints that cater to different needs, from retrieving the latest exchange rates to accessing historical data. Each endpoint is designed to provide developers with the flexibility to integrate real-time metals data into their applications seamlessly. The API's capabilities include:

Latest Rates Endpoint: Retrieve real-time exchange rate data updated at intervals based on your subscription plan.
Historical Rates Endpoint: Access historical rates dating back to 2019, allowing for comprehensive market analysis.
Bid and Ask Endpoint: Get real-time bid and ask prices for metals, essential for trading applications.
Convert Endpoint: Easily convert amounts between different currencies and metals.
Time-Series Endpoint: Query daily historical rates between two specified dates.
Fluctuation Endpoint: Track how currencies fluctuate on a day-to-day basis.
Carat Endpoint: Retrieve gold rates by carat, useful for jewelers and traders.
Lowest/Highest Price Endpoint: Access the lowest and highest prices for specified dates.
Open/High/Low/Close (OHLC) Price Endpoint: Get OHLC data for a specific time period.
Historical LME Endpoint: Access historical rates for LME symbols dating back to 2008.
API Key: A unique key required for accessing the API.
API Response: Exchange rates are delivered relative to USD by default.
Available Endpoints: The API includes 14 endpoints, each providing distinct functionalities.
Supported Symbols Endpoint: Access a constantly updated list of all available currencies.
Intraday Endpoint: Query intraday exchange rate data for a single symbol.

For more detailed information, you can visit the Metals-API Documentation and explore the Metals-API Supported Symbols.

Key Features and Endpoints

Latest Rates Endpoint

The Latest Rates Endpoint allows developers to retrieve real-time exchange rates for all available metals, including BDT. Depending on your subscription plan, this endpoint can return data updated every 60 minutes or every 10 minutes. This feature is particularly useful for applications that require up-to-the-minute pricing information.

{
"success": true,
"timestamp": 1788977331,
"base": "USD",
"date": "2026-09-09",
"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 provides access to historical exchange rates for any date since 1999. This feature is invaluable for developers looking to analyze trends over time or for applications that require historical data for reporting purposes.

{
"success": true,
"timestamp": 1788890931,
"base": "USD",
"date": "2026-09-08",
"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 allows developers to retrieve real-time bid and ask prices for metals. This feature is essential for trading applications where knowing the current market price is crucial for making informed decisions.

{
"success": true,
"timestamp": 1788977331,
"base": "USD",
"date": "2026-09-09",
"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 enables developers to convert any amount from one currency to another. This feature is particularly useful for applications that require currency conversion functionalities, such as e-commerce platforms or financial calculators.

{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1788977331,
"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 feature is beneficial for applications that require detailed historical analysis and trend tracking.

{
"success": true,
"timeseries": true,
"start_date": "2026-09-02",
"end_date": "2026-09-09",
"base": "USD",
"rates": {
"2026-09-02": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-09-04": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-09-09": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912
}
},
"unit": "per troy ounce"
}

Fluctuation Endpoint

The Fluctuation Endpoint provides information about how currencies fluctuate on a day-to-day basis. This feature is essential for applications that need to track market volatility and provide insights into price changes.

{
"success": true,
"fluctuation": true,
"start_date": "2026-09-02",
"end_date": "2026-09-09",
"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 query the API for open, high, low, and close prices for a specific time period. This feature is particularly useful for traders and analysts who need to evaluate market performance over time.

{
"success": true,
"timestamp": 1788977331,
"base": "USD",
"date": "2026-09-09",
"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 feature is essential for developers working with industrial metals and requires historical data for analysis.

{
"success": true,
"timestamp": 1788890931,
"base": "USD",
"date": "2026-09-09",
"rates": {
"LME_CU": {
"price": 0.294118,
"unit": "per tonne"
},
"LME_AL": {
"price": 0.434783,
"unit": "per tonne"
}
}
}

Integration Tips

Integrating the Metals-API into your application is straightforward, but there are several best practices to keep in mind:

Authentication: Ensure that you include your API key in the request to authenticate your access to the API.
Rate Limiting: Be aware of your subscription plan's rate limits to avoid exceeding your quota and receiving errors.
Error Handling: Implement robust error handling to manage potential issues such as network errors or invalid requests.
Data Caching: Consider caching frequently requested data to improve performance and reduce API calls.
Security Best Practices: Always use HTTPS to secure your API requests and protect sensitive data.

Conclusion

The Metals-API provides a powerful and flexible solution for developers looking to access Bangladeshi Taka (BDT) exchange rates and other metal prices in JSON format. With a wide range of endpoints and features, this API enables the development of innovative applications that can analyze market trends, perform currency conversions, and track price fluctuations. By following the integration tips and best practices outlined in this post, developers can effectively leverage the capabilities of the Metals-API to enhance their projects.

For further details, visit the Metals-API Website to explore more about its features and capabilities.

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Access Bangladeshi Taka (BDT) Exchange Rates in JSON Format for API Development Projects