Building Interactive Dashboards: Visualizing Energy Data with Energy API for Traders

Introduction

In the fast-paced world of energy trading, access to reliable and timely market data is crucial for making informed decisions. Traders and energy professionals often face the daunting task of aggregating data from multiple sources, each with its own format and update schedule. This fragmentation not only complicates data analysis but also increases the risk of errors and delays in decision-making. The need for a unified solution that simplifies data access and enhances analytical capabilities has never been more pressing.

This is where Energy API comes into play. By providing a single REST API that aggregates wholesale energy market data from trusted sources like OMIE, ENTSO-E, and EIA, Energy API eliminates the pain of scraping government portals and stitching together incompatible formats. In this blog post, we will explore how to build interactive dashboards that visualize energy data using Energy API, empowering developers and energy professionals to harness the full potential of market data.

Why Energy API

Energy API stands out in the crowded landscape of data providers for several reasons:

• Unified Data Access: With Energy API, developers can access data from multiple sources through a single endpoint. This means no more juggling different formats or schedules. For instance, you can retrieve electricity prices from Spain and natural gas prices from the US in one API call, streamlining your data integration process.
• Comprehensive Coverage: Energy API offers over 39 symbols across six commodity categories, including electricity, natural gas, crude oil, coal, carbon allowances, and grid carbon intensity. This extensive coverage ensures that you have access to the data you need for comprehensive market analysis.
• Rapid Development: The consistent JSON schema across all commodities allows developers to ship features in hours, not weeks. This accelerates the development cycle and enables teams to respond quickly to market changes.
• Trusted Data Providers: Energy API aggregates data from reputable sources, ensuring that the information you receive is accurate and reliable. This trustworthiness is essential for making critical trading decisions.

Quick Start

Getting started with Energy API is straightforward. The base URL for accessing the API is:

https://energy-api.com/api/v1

To make your first request, you will need to include your API key as a query parameter. Here’s an example of how to retrieve the latest prices for Brent Crude and TTF Gas:

curl -G https://energy-api.com/api/v1/latest \
--data-urlencode "symbols=BRENT_CRUDE,TTF_GAS" \
--data-urlencode "api_key=YOUR_API_KEY"

The expected JSON response will look like this:

{
"success": true,
"date": "2026-06-11",
"base": "MIXED",
"rates": {
"BRENT_CRUDE": 74.82,
"TTF_GAS": 38.15
},
"dates": {
"BRENT_CRUDE": "2026-06-11",
"TTF_GAS": "2026-06-11"
},
"currencies": {
"BRENT_CRUDE": "USD",
"TTF_GAS": "EUR"
}
}

In this response, the key fields are:

• success: Indicates whether the request was successful.
• date: The date of the data retrieved.
• base: The base currency for the rates provided.
• rates: An object containing the latest prices for the requested symbols.
• currencies: The currency in which each rate is expressed.

Core Endpoints

Energy API provides a variety of endpoints to access different types of data. Here are four core endpoints that are particularly relevant for building interactive dashboards:

1. GET /latest

This endpoint retrieves the most recent price for one or more symbols.

Key Params: symbols (required), base (optional), category (optional)

curl -G https://energy-api.com/api/v1/latest \
--data-urlencode "symbols=BRENT_CRUDE,TTF_GAS,EUA_CO2" \
--data-urlencode "api_key=YOUR_API_KEY"

Expected JSON response:

{
"success": true,
"date": "2026-06-11",
"base": "MIXED",
"rates": {
"BRENT_CRUDE": 74.82,
"TTF_GAS": 38.15,
"EUA_CO2": 67.40
},
"dates": {
"BRENT_CRUDE": "2026-06-11",
"TTF_GAS": "2026-06-11",
"EUA_CO2": "2026-06-11"
},
"currencies": {
"BRENT_CRUDE": "USD",
"TTF_GAS": "EUR",
"EUA_CO2": "EUR"
}
}

This response provides the latest prices for Brent Crude, TTF Gas, and EUA CO2, along with their respective currencies.

2. GET /historical

This endpoint allows you to retrieve prices for all symbols on a specific past date. If the date falls on a non-publishing day, it returns the most recent value before it.

Key Params: date (YYYY-MM-DD, required), symbols (required), base (optional)

curl -G https://energy-api.com/api/v1/historical \
--data-urlencode "date=2025-09-15" \
--data-urlencode "symbols=BRENT_CRUDE,TTF_GAS" \
--data-urlencode "api_key=YOUR_API_KEY"

Expected JSON response:

{
"success": true,
"date": "2025-09-15",
"base": "MIXED",
"rates": {
"BRENT_CRUDE": 71.45,
"TTF_GAS": 36.20
},
"currencies": {
"BRENT_CRUDE": "USD",
"TTF_GAS": "EUR"
}
}

This response provides historical prices for Brent Crude and TTF Gas on the specified date.

3. GET /timeseries

This endpoint retrieves historical series between two dates, making it ideal for charting and trend analysis.

Key Params: start (required), end (required), symbols (required), base (optional)

curl -G https://energy-api.com/api/v1/timeseries \
--data-urlencode "start=2025-01-01" \
--data-urlencode "end=2025-03-31" \
--data-urlencode "symbols=BRENT_CRUDE,TTF_GAS" \
--data-urlencode "api_key=YOUR_API_KEY"

Expected JSON response:

{
"success": true,
"base": "MIXED",
"start_date": "2025-01-01",
"end_date": "2025-03-31",
"rates": {
"BRENT_CRUDE": {
"2025-01-02": 76.30,
"2025-01-03": 75.90
},
"TTF_GAS": {
"2025-01-02": 46.80,
"2025-01-03": 47.10
}
},
"frequencies": {
"BRENT_CRUDE": "daily",
"TTF_GAS": "daily"
},
"currencies": {
"BRENT_CRUDE": "USD",
"TTF_GAS": "EUR"
}
}

This response provides daily prices for Brent Crude and TTF Gas over the specified date range, making it suitable for trend analysis.

4. GET /fluctuation

This endpoint provides start/end values, absolute change, and percentage change over a specified period.

Key Params: start (required), end (required), symbols (required), base (optional)

curl -G https://energy-api.com/api/v1/fluctuation \
--data-urlencode "start=2025-01-01" \
--data-urlencode "end=2025-01-31" \
--data-urlencode "symbols=BRENT_CRUDE" \
--data-urlencode "api_key=YOUR_API_KEY"

Expected JSON response:

{
"success": true,
"fluctuation": {
"BRENT_CRUDE": {
"start_value": 76.30,
"end_value": 75.90,
"change": -0.40,
"change_pct": -0.52
}
}
}

This response provides insights into the price fluctuation of Brent Crude over the specified period, which is valuable for traders looking to understand market volatility.

Real-World Use Cases

Energy API can be leveraged in various real-world scenarios to enhance decision-making and operational efficiency:

• Price Alert System: Developers can build a price alert system that notifies traders when the price of a commodity reaches a certain threshold. By using the /latest endpoint, the system can continuously monitor prices and send alerts via email or SMS when conditions are met.
• ESG Dashboard: Sustainability teams can create dashboards that visualize carbon intensity data using the /carbon-intensity endpoint. This allows organizations to track their carbon footprint and make informed decisions to reduce emissions.
• Cost Calculator: A cost calculator can be developed to estimate monthly wholesale electricity costs based on the latest prices retrieved from the /cost-estimate endpoint. This tool can help businesses budget for energy expenses more accurately.

FAQ

How often does the TTF gas price update?

The TTF gas price updates daily, reflecting the most recent market data published by EEX. This ensures that traders have access to the latest pricing information for their trading strategies.

Can I get historical energy prices going back 5 years?

Yes, Energy API allows you to retrieve historical prices for various commodities. You can use the /historical and /timeseries endpoints to access data for specific dates or date ranges, providing insights into long-term trends.

Does the API support multiple currencies?

Yes, Energy API supports multiple currencies. When making requests, you can specify the base currency, and the API will return prices in the requested currency, making it easier to integrate into your financial systems.

Conclusion

Building interactive dashboards to visualize energy data has never been easier with Energy API. By providing a unified interface to access reliable market data, Energy API empowers developers and energy professionals to make informed decisions quickly and efficiently. The comprehensive coverage of commodities, rapid development capabilities, and trusted data sources make it the ideal solution for anyone in the energy sector.

Whether you are building a price alert system, an ESG dashboard, or a cost calculator, Energy API offers the tools you need to succeed. Start leveraging the power of energy data today and try Energy API for free to see how it can transform your data analysis and decision-making processes.