Empowering Rural Electrification: Using Energy API to Expand Renewable Energy Access

Introduction

Access to reliable energy market data is crucial for various stakeholders in the energy sector, including developers, data engineers, energy traders, and sustainability teams. However, the traditional methods of obtaining this data often involve scraping government portals or stitching together incompatible formats from multiple sources. This process can be time-consuming, error-prone, and inefficient, leading to delays in decision-making and increased operational costs.

In this blog post, we will explore how Energy API addresses these challenges by providing a unified REST API that aggregates wholesale energy market data from trusted sources. By normalizing data into a single JSON interface, Energy API empowers users to access critical information quickly and efficiently, enabling them to make informed decisions in real-time.

Why Energy API

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

• One Unified Interface: Instead of dealing with multiple APIs from sources like OMIE, ENTSO-E, and EIA, Energy API offers a single, normalized REST surface. This means developers can avoid the hassle of managing different formats, schedules, and naming conventions, allowing them to focus on building their applications.
• Comprehensive Data Coverage: With over 39 symbols across six commodity categories—electricity, gas, oil, coal, carbon, and carbon intensity—Energy API provides extensive market data. This breadth of information allows users to analyze trends and make decisions based on a holistic view of the energy landscape.
• Rapid Development: The API features 16 endpoints that cover a wide range of functionalities, from spot prices to historical series and fluctuation analysis. This means developers can ship features in hours rather than weeks, significantly reducing time-to-market for energy-related applications.
• Trusted Data Providers: Energy API aggregates data from reputable sources such as OMIE, ENTSO-E, EIA, and FRED. This ensures that users receive accurate and reliable information, which is critical for making informed decisions in the energy market.

Quick Start

Getting started with Energy API is straightforward. The base URL for 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.
• rates: An object containing the latest prices for the requested symbols.
• currencies: The currency in which each rate is quoted.

Core Endpoints

Energy API offers a variety of endpoints to cater to different data needs. Below are some of the core endpoints relevant to energy market analysis:

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:

• rates: Contains the latest prices for the requested symbols.
• currencies: Indicates the currency for each symbol's price.

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:

• date: The date for which the historical prices are retrieved.
• rates: Contains 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:

• start_date and end_date: Define the range for the historical data.
• rates: Contains the historical prices keyed by date for each symbol.

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"

JSON Response:

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

Field Explanation:

• start_value and end_value: The prices at the start and end of the specified period.
• change: The absolute change in price over the period.
• change_pct: The percentage change in price over the period.

Real-World Use Cases

Energy API can be leveraged in various applications to enhance decision-making and operational efficiency. Here are three concrete examples:

• Price Alert System: Developers can build a price alert system that notifies users when energy prices reach a certain threshold. By using the /latest endpoint, they can continuously monitor prices and trigger alerts based on user-defined criteria.
• ESG Dashboard: Sustainability teams can create dashboards that visualize carbon intensity and emissions data. By utilizing the /carbon-intensity and /emissions/latest endpoints, they can track progress towards sustainability goals and report on ESG metrics effectively.
• Cost Calculator: Utilities can develop cost calculators that estimate monthly energy expenses based on usage patterns. By employing the /cost-estimate endpoint, they can provide users with accurate estimates based on the latest market prices.

FAQ

How often does the TTF gas price update?

The TTF gas price updates daily, reflecting the most recent market conditions. Users can retrieve the latest price using the /latest endpoint.

Can I get historical energy prices going back 5 years?

Yes, Energy API allows users to access historical prices for various symbols. The /historical and /timeseries endpoints can be used to retrieve data for specific past dates or ranges.

Does the API support multiple currencies?

Yes, Energy API supports multiple currencies. Users can specify the base currency in their requests, and the API will return prices in the requested currency.

Conclusion

In conclusion, Energy API provides a powerful solution for accessing reliable energy market data without the complexities of traditional methods. By offering a unified REST API that aggregates data from trusted sources, it empowers developers and energy professionals to build innovative applications that enhance decision-making and operational efficiency.

Whether you're looking to create a price alert system, an ESG dashboard, or a cost calculator, Energy API is the fastest path from zero to production energy data. Don't let the challenges of data access hold you back—try Energy API for free today and unlock the potential of renewable energy access.