Energy API for Regulatory Compliance: A Guide for ESG Teams in Navigating Energy Policies

Introduction

In today's rapidly evolving energy landscape, organizations face increasing pressure to comply with regulatory requirements while also striving for sustainability. Environmental, Social, and Governance (ESG) teams are tasked with navigating complex energy policies and ensuring that their organizations meet compliance standards. However, accessing reliable and up-to-date energy market data can be a daunting challenge. Traditional methods often involve scraping government portals or stitching together data from disparate sources, leading to inefficiencies and potential inaccuracies.

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 guide ESG teams and developers through the features and capabilities of Energy API, demonstrating how it can streamline compliance efforts and enhance decision-making processes.

Why Energy API

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

• Unified Data Source: Energy API consolidates data from multiple sources such as OMIE, ENTSO-E, EIA, and ESIOS into a single, normalized JSON interface. This eliminates the need for developers to manage different formats and schedules, significantly reducing the time spent on data integration.
• 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 query multiple commodities in a single API call, enhancing efficiency and reducing complexity.
• Rapid Development: The consistent JSON schema across all commodities allows developers to ship features in hours rather than weeks. This accelerates the development cycle and enables teams to respond quickly to changing regulatory requirements.
• Trusted Data Providers: Energy API sources data from reputable organizations, ensuring that users receive accurate and reliable information. This trustworthiness is crucial for compliance and decision-making in the energy sector.

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.
• rates: Contains the latest prices for the requested symbols.
• currencies: Specifies the currency for each symbol.

Core Endpoints

Energy API offers a variety of endpoints that cater to different data needs. Below are some of the core endpoints relevant to ESG teams:

1. GET /latest

This endpoint retrieves the most recent prices 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"

Expected 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 field provides the latest prices for the requested symbols, which can be crucial for real-time decision-making.

2. GET /historical

This endpoint allows users to retrieve 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"

Expected 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"
}
}

The rates field here provides historical prices, which can be essential for trend analysis and compliance reporting.

3. GET /timeseries

This endpoint retrieves historical series between two dates, making it 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"

Expected 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 historical prices, allowing ESG teams 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"

Expected JSON response:

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

This response provides insights into price fluctuations, which can be critical for trading strategies and risk management.

Real-World Use Cases

Energy API can be leveraged in various practical applications. Here are three concrete examples:

• Price Alert System: Developers can build a price alert system that monitors energy prices and sends notifications when they reach a certain threshold. This can be achieved using the /latest endpoint to retrieve real-time prices and trigger alerts based on user-defined criteria.
• ESG Dashboard: An ESG dashboard can be created to visualize energy consumption and carbon emissions data. By utilizing the /timeseries and /carbon-intensity endpoints, teams can track their sustainability metrics and ensure compliance with regulatory standards.
• Cost Calculator: A cost calculator can be developed to estimate monthly energy expenses based on current market prices. The /cost-estimate endpoint can be used to provide users with accurate cost projections based on their energy consumption patterns.

FAQ

How often does the TTF gas price update?

The TTF gas price updates daily, reflecting the most recent market conditions. This ensures that users have access to the latest pricing information for informed decision-making.

Can I get historical energy prices going back 5 years?

Yes, Energy API allows users to retrieve historical prices for various symbols, enabling analysis of price trends over extended periods. Users can specify the date range for their queries to access the desired historical data.

Does the API support multiple currencies?

Absolutely! Energy API supports multiple currencies, allowing users to specify their preferred currency for each request. This flexibility is essential for organizations operating in different regions and dealing with various currency conversions.

Conclusion

In conclusion, Energy API is a powerful tool for ESG teams and developers seeking reliable energy market data. By providing a unified interface for accessing wholesale energy prices, historical data, and carbon intensity metrics, Energy API streamlines compliance efforts and enhances decision-making capabilities. The ability to query multiple commodities in a single API call further simplifies the data retrieval process, saving valuable time and resources.

As organizations continue to navigate the complexities of energy regulations and sustainability initiatives, leveraging Energy API can provide a significant competitive advantage. To explore the capabilities of Energy API and see how it can benefit your organization, try Energy API for free today!