Optimizing Energy Supply Contracts: Insights from Analyzing Data with Energy API

Introduction

In the fast-paced world of energy trading, the ability to access reliable and timely market data is crucial for making informed decisions. Energy traders, data engineers, and fintech teams often face significant challenges when trying to gather and analyze data from various sources. The problem is compounded by the fact that energy market data is often scattered across multiple platforms, each with its own unique formats, schedules, and naming conventions. This fragmentation can lead to inefficiencies, increased operational costs, and missed opportunities.

Fortunately, Energy API offers a solution that simplifies the process of accessing wholesale energy market data. By aggregating data from trusted sources such as OMIE, ENTSO-E, EIA, and others, Energy API provides a unified JSON interface that allows developers to access a wide range of energy market data without the hassle of scraping government portals or stitching together incompatible formats. In this blog post, we will explore how to optimize energy supply contracts by leveraging the capabilities of Energy API.

Why Energy API

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

• Unified Data Access: With Energy API, developers can access data from multiple sources through a single RESTful interface. This eliminates the need to manage different APIs, formats, and schedules, allowing teams to focus on building applications rather than data integration.
• Comprehensive Coverage: Energy API provides access to over 39 symbols across six commodity categories, including electricity, natural gas, crude oil, coal, carbon allowances, and grid carbon intensity. This extensive coverage enables developers to analyze market trends and make data-driven decisions across various energy sectors.
• Rapid Development: The consistent JSON schema across all commodities means that developers can implement features in hours rather than weeks. This accelerates the time to market for new applications and allows teams to respond quickly to changing market conditions.
• Real-Time Data: Energy API offers endpoints for intraday electricity curves and spot prices, ensuring that users have access to the most current data available. This is particularly important for traders who need to make quick decisions based on real-time market fluctuations.

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 success field indicates whether the request was successful, while the rates object contains the latest prices for the requested symbols.

Core Endpoints

1. GET /latest

This endpoint retrieves the most recent price for one or more symbols. It is essential for traders who need up-to-date information to make quick decisions.

Key Params: symbols (required), base (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"

Example 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"
}
}

The rates object provides the latest prices for each symbol, while the dates object indicates when the prices were last updated.

2. GET /historical

This endpoint allows users to retrieve prices for all symbols on a specific past date. It is particularly useful for analyzing historical trends and making comparisons.

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"

Example 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 the historical prices for the specified date, allowing users to analyze market trends over time.

3. GET /timeseries

The timeseries endpoint is ideal for retrieving historical data between two dates, making it perfect 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"

Example 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 a detailed view of the historical prices for each symbol over the specified date range, allowing for in-depth analysis.

4. GET /fluctuation

This endpoint provides information on the start and end values, absolute change, and percentage change over a specified period. It is useful for understanding market volatility.

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,TTF_GAS" \
--data-urlencode "api_key=YOUR_API_KEY"

Example JSON Response:

{
"success": true,
"fluctuations": {
"BRENT_CRUDE": {
"start_value": 76.30,
"end_value": 75.90,
"change": -0.40,
"change_pct": -0.52
},
"TTF_GAS": {
"start_value": 46.80,
"end_value": 47.10,
"change": 0.30,
"change_pct": 0.64
}
}
}

This response provides a clear view of how prices have changed over the specified period, helping traders assess market conditions.

Real-World Use Cases

1. Price Alert System

Developers can build a price alert system that notifies users when the price of a specific commodity reaches a certain threshold. By using the /latest endpoint, they can continuously monitor prices and trigger alerts based on user-defined criteria.

2. ESG Dashboard

Energy companies focused on sustainability can create an ESG dashboard that visualizes carbon intensity data. By utilizing the /carbon-intensity endpoint, developers can display real-time carbon emissions data alongside other key performance indicators.

3. Cost Calculator

A cost calculator can be developed to estimate monthly electricity costs based on the latest prices. By leveraging the /cost-estimate endpoint, users can input their expected usage and receive an estimate of their monthly expenses.

FAQ

How often does the TTF gas price update?

The TTF gas price updates frequently throughout the trading day, providing real-time data that reflects current market conditions. This allows traders to make informed decisions based on the latest information.

Can I get historical energy prices going back 5 years?

Yes, Energy API allows users to access historical prices for various commodities. The /historical and /timeseries endpoints can be used to retrieve data for specific past dates or over a range of dates, respectively.

Does the API support multiple currencies?

Yes, Energy API supports multiple currencies. Users can specify their desired currency when making requests, and the API will return prices in the requested currency, allowing for seamless integration into applications that operate in different markets.

Conclusion

In conclusion, optimizing energy supply contracts requires access to reliable and timely market data. Energy API provides a powerful solution that aggregates data from multiple trusted sources into a unified interface, enabling developers to build applications that can analyze market trends, monitor prices, and make informed decisions. By leveraging the capabilities of Energy API, teams can save time and resources while gaining a competitive edge in the energy market.

Ready to streamline your energy data access? Try Energy API for free and discover how easy it is to integrate comprehensive energy market data into your applications.