Energy API and the Role of Smart Contracts in Trade Settlements: Simplifying Transactions for Energy Traders

Introduction

In the fast-paced world of energy trading, the need for accurate, real-time market data is paramount. Energy traders face numerous challenges, including the complexity of aggregating data from various sources, each with its own format and update schedule. This fragmentation can lead to inefficiencies, increased operational costs, and missed trading opportunities. As the energy market evolves, the integration of technology, particularly through APIs and smart contracts, is becoming essential for streamlining transactions and enhancing decision-making.

This blog post explores how Energy API simplifies the process of accessing wholesale energy market data and how smart contracts can play a pivotal role in trade settlements. By leveraging a unified REST API that aggregates data from trusted sources, energy traders can focus on making informed decisions rather than grappling with incompatible data formats.

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 interface. This means developers can access diverse data types—electricity, natural gas, crude oil, coal, carbon allowances, and grid carbon intensity—without the hassle of managing different formats and schedules.
• Comprehensive Data Coverage: With over 39 symbols across six commodity categories and 16 endpoints, Energy API provides extensive market data. Developers can retrieve spot prices, historical series, intraday curves, and more, all through a consistent JSON schema. This significantly reduces the time spent on ETL (Extract, Transform, Load) processes, allowing teams to ship features in hours rather than weeks.
• Real-Time Data Access: Energy API offers intraday electricity curves and other real-time data points, enabling traders to make timely decisions based on the latest market conditions. This immediacy is crucial for capitalizing on market fluctuations.
• Trusted Data Providers: By aggregating data from reputable sources like OMIE, ENTSO-E, and EIA, Energy API ensures that users receive reliable and accurate information, which is essential for making informed 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 include:

• success: Indicates whether the request was successful.
• date: The date of the data retrieval.
• 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 quoted.

Core Endpoints

Energy API offers a variety of endpoints that cater to different data needs. Here are four core endpoints relevant to energy trading:

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 the requested symbols, allowing traders to quickly assess 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 rates object shows the historical prices for the specified date, which is crucial for trend analysis and decision-making.

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 for detailed analysis of price trends over time.

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=2025-03-31" \
--data-urlencode "symbols=BRENT_CRUDE,TTF_GAS" \
--data-urlencode "api_key=YOUR_API_KEY"

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
}
}
}

Field Explanation: The fluctuations object provides insights into price changes over the specified period, which is essential for traders looking to understand market volatility.

Real-World Use Cases

Energy API can be leveraged in various ways to enhance trading strategies and operational efficiency. Here are three concrete examples:

• Price Alert System: Developers can build a price alert system that notifies traders when a commodity price reaches a certain threshold. By using the /latest endpoint, they can continuously monitor prices and trigger alerts based on predefined criteria.
• ESG Dashboard: With growing emphasis on sustainability, developers can create dashboards that track carbon intensity and emissions data. Utilizing the /carbon-intensity endpoint, teams can visualize their carbon footprint and make informed decisions to improve their ESG performance.
• Cost Calculator: A cost calculator can be developed to estimate monthly wholesale electricity costs based on the latest prices. By using the /cost-estimate endpoint, businesses can input their expected usage and receive accurate cost projections, aiding in budget planning.

FAQ

How often does the TTF gas price update?

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

Can I get historical energy prices going back 5 years?

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

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, making it easier for traders operating in different markets.

Conclusion

In conclusion, Energy API is a powerful tool for energy traders looking to streamline their data access and enhance their trading strategies. By providing a unified interface for diverse energy market data, it eliminates the complexities associated with data aggregation and format discrepancies. The integration of smart contracts further simplifies trade settlements, ensuring that transactions are executed efficiently and transparently.

As the energy market continues to evolve, leveraging reliable data sources like Energy API will be crucial for staying competitive. Whether you're building a price alert system, an ESG dashboard, or a cost calculator, Energy API offers the tools you need to succeed. Try Energy API for free today and experience the benefits of seamless energy data integration.