Access Real-Time & Historical BSE 150 MidCap Weekly Rates Using Indices-API

In today's fast-paced financial landscape, accessing real-time and historical data is crucial for developers and analysts alike. The Indices-API provides a powerful solution for retrieving both real-time and historical rates for various indices, including the BSE 150 MidCap. This blog post will guide you through the process of utilizing the Indices-API to access these rates, detailing the API's capabilities, endpoints, and practical applications.

About Estonian Kroon (EEK)

The Estonian Kroon (EEK) was the currency of Estonia before the country adopted the Euro in 2011. Understanding historical currencies like the EEK is essential for developers working with financial data, especially when dealing with legacy systems or historical financial analysis. The Indices-API allows users to access historical rates for the EEK, providing insights into its performance over time. This can be particularly useful for developers creating applications that require historical currency data for analysis or reporting purposes.

API Description

The Indices-API is designed to empower developers by providing access to real-time and historical index data. With its innovative architecture, the API enables seamless integration into applications, allowing for the development of next-generation financial tools. Whether you are building a trading platform, a financial analysis tool, or a market monitoring application, the Indices-API offers the flexibility and scalability needed to meet your requirements.

For more information, you can visit the Indices-API Website or check the Indices-API Documentation for detailed guidance on implementation.

Key Features and Endpoints

The Indices-API provides a variety of endpoints, each designed to serve specific needs. Here are some of the key features:

Latest Rates Endpoint: This endpoint returns real-time exchange rate data for various indices. Depending on your subscription plan, the data can be updated every 60 minutes or even every 10 minutes. This feature is essential for applications that require up-to-the-minute data for trading or analysis.
Historical Rates Endpoint: Users can access historical rates for most currencies dating back to October 2024. By appending a specific date in the format YY-MM-DD, developers can retrieve historical data for analysis or reporting.
Convert Endpoint: This endpoint allows for currency conversion, enabling users to convert any amount from one currency to another. This is particularly useful for applications that require real-time conversion rates for transactions.
Time-Series Endpoint: The time-series endpoint lets users query the API for daily historical rates between two specified dates. This feature is invaluable for trend analysis and forecasting.
Fluctuation Endpoint: This endpoint provides information on how currencies fluctuate on a day-to-day basis, allowing developers to track market volatility.
Open/High/Low/Close (OHLC) Price Endpoint: Users can query this endpoint to get the open, high, low, and close prices for a specific index over a defined period. This data is crucial for technical analysis.
API Key: Each user is provided with a unique API key, which must be included in the API requests to authenticate access.
API Response: The API delivers exchange rates relative to USD by default, ensuring consistency in data interpretation.
Supported Symbols Endpoint: This endpoint provides a constantly updated list of all available currencies and indices, allowing developers to stay informed about the symbols they can use.

List of Symbols

The API provides access to a diverse range of index symbols. For a complete list of all supported symbols and their specifications, refer to the Indices-API Supported Symbols page. This resource is essential for developers to understand the available indices and their respective codes.

API Endpoint Examples and Responses

Latest Rates Endpoint

To get real-time exchange rates for all available indices, you can use the following endpoint:

{
"success": true,
"timestamp": 1780966234,
"base": "USD",
"date": "2026-06-09",
"rates": {
"DOW": 0.00029,
"NASDAQ": 0.00039,
"S&P 500": 0.00024,
"FTSE 100": 0.00058,
"DAX": 0.00448,
"CAC 40": 0.00137,
"NIKKEI 225": 0.0125
},
"unit": "per index"
}

This response indicates a successful request, providing the latest rates for various indices relative to USD.

Historical Rates Endpoint

Access historical exchange rates for any date since 1999 using the following endpoint:

{
"success": true,
"timestamp": 1780879834,
"base": "USD",
"date": "2026-06-08",
"rates": {
"DOW": 0.00028,
"NASDAQ": 0.00038,
"S&P 500": 0.00023,
"FTSE 100": 0.0124,
"DAX": 0.0126,
"CAC 40": 0.0126,
"NIKKEI 225": 0.0126
},
"unit": "per index"
}

This example shows how to retrieve historical rates, which can be crucial for backtesting trading strategies or analyzing market trends over time.

Time-Series Endpoint

To get exchange rates for a specific time period, use the time-series endpoint:

{
"success": true,
"timeseries": true,
"start_date": "2026-06-02",
"end_date": "2026-06-09",
"base": "USD",
"rates": {
"2026-06-02": {
"DOW": 0.00028,
"NASDAQ": 0.00038,
"S&P 500": 0.00023,
"FTSE 100": 0.0124,
"DAX": 0.0126,
"CAC 40": 0.0126,
"NIKKEI 225": 0.0126
},
"2026-06-04": {
"DOW": 0.00029,
"NASDAQ": 0.00039,
"S&P 500": 0.00024,
"FTSE 100": 0.0124,
"DAX": 0.0126,
"CAC 40": 0.0126,
"NIKKEI 225": 0.0126
},
"2026-06-09": {
"DOW": 0.00029,
"NASDAQ": 0.00039,
"S&P 500": 0.00024,
"FTSE 100": 0.0124,
"DAX": 0.0126,
"CAC 40": 0.0126,
"NIKKEI 225": 0.0126
}
},
"unit": "per index"
}

This response provides a time series of rates, allowing developers to analyze trends and fluctuations over the specified period.

Convert Endpoint

To convert any amount from one commodity to another or to/from USD, use the convert endpoint:

{
"success": true,
"query": {
"from": "USD",
"to": "DOW",
"amount": 1000
},
"info": {
"timestamp": 1780966234,
"rate": 0.00029
},
"result": 0.29,
"unit": "per index"
}

This example illustrates how to convert a specified amount from USD to the DOW index, providing a straightforward way to handle currency conversions in your applications.

Fluctuation Endpoint

To track rate fluctuations between two dates, use the fluctuation endpoint:

{
"success": true,
"fluctuation": true,
"start_date": "2026-06-02",
"end_date": "2026-06-09",
"base": "USD",
"rates": {
"DOW": {
"start_rate": 0.00028,
"end_rate": 0.00029,
"change": 1.0e-5,
"change_pct": 3.57
},
"NASDAQ": {
"start_rate": 0.00038,
"end_rate": 0.00039,
"change": 1.0e-5,
"change_pct": 2.63
},
"S&P 500": {
"start_rate": 0.0124,
"end_rate": 0.0125,
"change": 0.0001,
"change_pct": 0.81
},
"FTSE 100": {
"start_rate": 0.0124,
"end_rate": 0.0125,
"change": 0.0001,
"change_pct": 0.81
},
"DAX": {
"start_rate": 0.0126,
"end_rate": 0.0126,
"change": 0,
"change_pct": 0
},
"CAC 40": {
"start_rate": 0.0126,
"end_rate": 0.0126,
"change": 0,
"change_pct": 0
},
"NIKKEI 225": {
"start_rate": 0.0126,
"end_rate": 0.0126,
"change": 0,
"change_pct": 0
}
},
"unit": "per index"
}

This response provides detailed information about how each index fluctuated over the specified period, which is vital for understanding market dynamics.

OHLC (Open/High/Low/Close) Endpoint

To get OHLC data for a specific time period, use the following endpoint:

{
"success": true,
"timestamp": 1780966234,
"base": "USD",
"date": "2026-06-09",
"rates": {
"DOW": {
"open": 0.00028,
"high": 0.00029,
"low": 0.00027,
"close": 0.00029
},
"NASDAQ": {
"open": 0.00038,
"high": 0.0004,
"low": 0.00037,
"close": 0.00039
},
"S&P 500": {
"open": 0.0124,
"high": 0.0126,
"low": 0.0123,
"close": 0.0125
},
"FTSE 100": {
"open": 0.0124,
"high": 0.0126,
"low": 0.0123,
"close": 0.0125
},
"DAX": {
"open": 0.0126,
"high": 0.0126,
"low": 0.0126,
"close": 0.0126
}
},
"unit": "per index"
}

This endpoint is crucial for traders and analysts who rely on OHLC data for making informed decisions based on market trends.

Bid/Ask Endpoint

To get current bid and ask prices for indices, use the bid/ask endpoint:

{
"success": true,
"timestamp": 1780966234,
"base": "USD",
"date": "2026-06-09",
"rates": {
"DOW": {
"bid": 0.00028,
"ask": 0.00029,
"spread": 1.0e-5
},
"NASDAQ": {
"bid": 0.00038,
"ask": 0.00039,
"spread": 1.0e-5
},
"S&P 500": {
"bid": 0.0124,
"ask": 0.0125,
"spread": 0.0001
},
"FTSE 100": {
"bid": 0.0124,
"ask": 0.0125,
"spread": 0.0001
},
"DAX": {
"bid": 0.0126,
"ask": 0.0126,
"spread": 0
},
"CAC 40": {
"bid": 0.0126,
"ask": 0.0126,
"spread": 0
},
"NIKKEI 225": {
"bid": 0.0126,
"ask": 0.0126,
"spread": 0
}
},
"unit": "per index"
}

This response provides essential bid and ask prices, which are critical for traders looking to make informed decisions based on market conditions.

Conclusion

Accessing real-time and historical BSE 150 MidCap rates using the Indices-API is a straightforward process that can significantly enhance your financial applications. By leveraging the various endpoints provided by the API, developers can create robust tools for market analysis, trading, and reporting. The comprehensive documentation available on the Indices-API Documentation site ensures that developers have all the information they need to implement these features effectively.

For those interested in exploring the full capabilities of the API, including the extensive list of supported symbols, visit the Indices-API Supported Symbols page. The Indices-API is not just a tool; it is a gateway to unlocking the potential of financial data in your applications.

In summary, the Indices-API offers a wealth of features that cater to the needs of developers looking to integrate real-time and historical index data into their projects. By understanding and utilizing these capabilities, you can build applications that provide valuable insights and enhance decision-making processes in the financial sector.

Ready to use Indices-API?

Try it now!

Access Real-Time & Historical BSE 150 MidCap Weekly Rates Using Indices-API