Utilizing Energy API for Sustainable Supply Chain Management: A Framework for ESG Teams

Introduction

In today's fast-paced energy market, businesses face the challenge of accessing reliable and timely data to make informed decisions. The complexity of energy data, which varies across different commodities and regions, can hinder effective supply chain management and sustainability efforts. ESG (Environmental, Social, and Governance) teams, in particular, require accurate market data to assess their environmental impact and align with sustainability goals. However, traditional methods of data collection, such as scraping government portals or manually stitching together disparate data sources, can be time-consuming and error-prone.

This is where Energy API comes into play. By providing a unified REST API that aggregates wholesale energy market data from trusted sources, Energy API simplifies the process of obtaining critical energy information. This blog post will explore how Energy API can empower ESG teams and developers to streamline their data acquisition processes, enhance their sustainability initiatives, and ultimately drive better decision-making in supply chain management.

Why Energy API

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

• One Unified Interface: Energy API consolidates data from multiple sources, including OMIE, ENTSO-E, EIA, and ESIOS, into a single, normalized REST interface. This eliminates the need for developers to navigate different formats, schedules, and naming conventions, allowing them to focus on building applications rather than managing data inconsistencies.
• Comprehensive Coverage: With over 39 symbols across six commodity categories—electricity, natural gas, crude oil, coal, carbon allowances, and carbon intensity—Energy API provides a holistic view of the energy market. Developers can access a wide range of data points, from spot prices to historical series, all through a consistent JSON schema.
• Rapid Development: The API's design allows developers to ship features in hours rather than weeks. With 16 endpoints covering various aspects of energy data, teams can quickly integrate the API into their applications, reducing time-to-market and enhancing productivity.
• Trusted Data Providers: Energy API sources its data from reputable organizations, ensuring that users receive accurate and reliable information. This trust is crucial for ESG teams that need to report on sustainability metrics and make data-driven 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 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 applications that require real-time data.

Key Parameters:

• symbols (required): A comma-separated list of symbols to retrieve prices for.
• base (optional): A currency filter for the response.

cURL Example:

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"
}
}

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

2. GET /historical

This endpoint allows users to retrieve prices for all symbols on a specific past date. It is particularly useful for historical analysis and reporting.

Key Parameters:

• date (required): The date for which to retrieve historical prices (format: YYYY-MM-DD).
• symbols (required): A comma-separated list of symbols to retrieve prices for.
• base (optional): A currency filter for the response.

cURL Example:

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"
}
}

This response provides the historical prices for Brent Crude and TTF Gas on the specified date, allowing for effective trend analysis.

3. GET /timeseries

The timeseries endpoint retrieves historical price data between two specified dates, making it ideal for charting and trend analysis.

Key Parameters:

• start (required): The start date for the timeseries (format: YYYY-MM-DD).
• end (required): The end date for the timeseries (format: YYYY-MM-DD).
• symbols (required): A comma-separated list of symbols to retrieve prices for.
• base (optional): A currency filter for the response.

cURL Example:

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"
}
}

This response provides daily prices for Brent Crude and TTF Gas over the specified date range, enabling developers to visualize trends and fluctuations in energy prices.

4. GET /fluctuation

This endpoint calculates the start and end values, absolute change, and percentage change over a specified period. It is useful for understanding price volatility.

Key Parameters:

• start (required): The start date for the fluctuation analysis (format: YYYY-MM-DD).
• end (required): The end date for the fluctuation analysis (format: YYYY-MM-DD).
• symbols (required): A comma-separated list of symbols to analyze.
• base (optional): A currency filter for the response.

JSON Response Example:

{
"success": true,
"fluctuations": {
"BRENT_CRUDE": {
"start_value": 70.00,
"end_value": 74.82,
"change": 4.82,
"change_pct": 6.89
},
"TTF_GAS": {
"start_value": 36.00,
"end_value": 38.15,
"change": 2.15,
"change_pct": 5.97
}
}
}

This response provides insights into the price changes for Brent Crude and TTF Gas, helping developers assess market volatility and make informed trading decisions.

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 monitors energy prices in real-time using the /latest endpoint. By setting thresholds for specific commodities, users can receive notifications when prices exceed or fall below certain levels, enabling timely trading decisions.
• ESG Dashboard: ESG teams can create a comprehensive dashboard that visualizes historical data and trends using the /timeseries and /historical endpoints. This dashboard can help organizations track their carbon footprint and assess their sustainability performance over time.
• Cost Calculator: A cost calculator can be developed using the /cost-estimate endpoint to provide users with estimates of their monthly wholesale electricity costs based on their consumption patterns. This tool can assist businesses in budgeting and optimizing their energy usage.

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. However, the specific range of historical data available may vary by symbol. Users can utilize the /historical and /timeseries endpoints to access this data.

Does the API support multiple currencies?

Yes, Energy API supports multiple currencies. Users can specify a base currency in their requests, and the API will return prices in the requested currency, making it easier to integrate into applications with diverse user bases.

Conclusion

In conclusion, Energy API provides a powerful solution for developers and ESG teams seeking reliable energy market data. By offering a unified interface that aggregates data from multiple trusted sources, Energy API eliminates the complexities associated with traditional data collection methods. With its comprehensive coverage, rapid development capabilities, and real-time data access, Energy API empowers organizations to enhance their sustainability initiatives and make informed decisions in supply chain management.

To experience the benefits of Energy API for yourself, try Energy API for free today and unlock the potential of energy data for your applications.