Cultivating Energy Literacy: Empowering Sustainability Teams with Energy API's Educational Resources

Introduction

In today's rapidly evolving energy landscape, the need for accurate and timely market data has never been more critical. Developers, data engineers, energy traders, and sustainability teams face the daunting challenge of aggregating and normalizing data from disparate sources. This often involves scraping government portals or stitching together incompatible formats, which can be time-consuming and error-prone. The lack of a unified interface can lead to inefficiencies, increased costs, and missed opportunities in decision-making.

Enter Energy API, a powerful REST API that aggregates wholesale energy market data from trusted sources such as OMIE, ENTSO-E, EIA, and more. By providing a single, normalized JSON interface, Energy API empowers teams to access reliable market data effortlessly, enabling them to focus on what truly matters: driving sustainability and innovation in the energy sector.

Why Energy API

Energy API stands out in the crowded field of energy data providers for several compelling reasons:

• **Unified Data Access**: With Energy API, developers can access data from multiple sources—electricity, natural gas, crude oil, coal, carbon allowances, and grid carbon intensity—through a single endpoint. This eliminates the need to manage different formats and schedules, significantly reducing development time and complexity.
• **Comprehensive Coverage**: The API offers over 39 symbols across six commodity categories, ensuring that users have access to a wide range of market data. This breadth of coverage allows developers to build robust applications that cater to various energy sectors without the hassle of integrating multiple APIs.
• **Rapid Development**: Energy API's consistent JSON schema across all commodities means that developers can ship features in hours, not weeks. This accelerates the development cycle, allowing teams to respond quickly to market changes and customer needs.
• **Trusted Data Providers**: By aggregating data from reputable sources like OMIE, ENTSO-E, and EIA, Energy API ensures that users receive accurate and reliable information. This trust in data quality is crucial for making informed decisions in the energy market.

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 include:

• 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 offers a variety of endpoints that cater to different data needs. Here are four core endpoints relevant to developers:

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"

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"
}
}

Field Explanation: The rates object provides the latest prices for each symbol requested, allowing developers to quickly access current market conditions.

2. GET /historical

This endpoint provides 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"

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"
}
}

Field Explanation: The date field indicates the specific date for which the prices are retrieved, while the rates object provides the historical prices for the requested symbols.

3. GET /timeseries

This endpoint retrieves historical series between two dates, 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"

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"
}
}

Field Explanation: The rates object contains historical prices keyed by date, allowing developers to analyze trends over time.

4. GET /fluctuation

This endpoint provides start and 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"

JSON Response:

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

Field Explanation: The fluctuation object provides insights into price changes over the specified period, which is crucial for traders and analysts looking to understand market dynamics.

Real-World Use Cases

Energy API's capabilities enable developers to build a variety of applications that address real-world challenges in the energy sector. Here are three concrete examples:

• Price Alert System: Developers can create a price alert system that notifies users when energy prices reach a certain threshold. By utilizing the /latest endpoint, the application can continuously monitor prices and send alerts via email or SMS when conditions are met.
• ESG Dashboard: Sustainability teams can leverage the /carbon-intensity endpoint to build a dashboard that tracks carbon emissions in real-time. This allows organizations to visualize their carbon footprint and make informed decisions to reduce their environmental impact.
• Cost Calculator: A cost calculator application can be developed using the /cost-estimate endpoint to provide users with estimates of their monthly electricity costs based on current market prices. This tool can help consumers and businesses budget their energy expenses more effectively.

FAQ

How often does the TTF gas price update?

The TTF gas price updates daily, reflecting the most recent market conditions. Users can access the latest prices through the /latest endpoint.

Can I get historical energy prices going back 5 years?

Yes, Energy API allows users to retrieve historical prices for various symbols. The /historical and /timeseries endpoints can be used to access past data, depending on the specific requirements.

Does the API support multiple currencies?

Absolutely! Energy API supports multiple currencies across its endpoints. Users can specify the base currency for their requests, allowing for flexible data retrieval based on their needs.

Conclusion

In a world where energy data is crucial for decision-making, Energy API provides a comprehensive solution that simplifies access to reliable market data. By unifying disparate sources into a single, normalized interface, developers can save time and resources while building powerful applications that drive sustainability and innovation.

Whether you're a developer looking to create a price alert system, a sustainability team building an ESG dashboard, or a business needing accurate cost estimates, Energy API has the tools you need to succeed. Don't let the complexities of energy data hold you back—try Energy API for free today and unlock the potential of your energy applications.