Using Energy API to Drive Electric Vehicle Charging Networks: A Developer's Roadmap

Introduction

As the world shifts towards sustainable energy solutions, the demand for electric vehicles (EVs) is surging. However, the growth of EV adoption brings with it a significant challenge: the need for efficient and reliable charging networks. Developers and energy professionals face the daunting task of integrating real-time energy market data into their applications to optimize charging strategies, manage costs, and ensure sustainability. This is where Energy API comes into play, providing a unified REST API that aggregates wholesale energy market data from trusted sources.

In this blog post, we will explore how to leverage the Energy API to drive electric vehicle charging networks. We will discuss the API's capabilities, provide a quick start guide, and delve into core endpoints that are particularly relevant for developers working in the EV space. By the end of this post, you will have a clear roadmap for integrating energy market data into your applications, enabling you to build robust solutions that meet the demands of the evolving energy landscape.

Why Energy API

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

• Unified Data Source: The Energy API consolidates data from multiple sources such as OMIE, ENTSO-E, and EIA into a single, normalized REST interface. This eliminates the need for developers to scrape data from disparate government portals or stitch together incompatible formats, saving valuable development time.
• Comprehensive Coverage: With over 39 symbols across six commodity categories—electricity, natural gas, crude oil, coal, carbon allowances, and grid carbon intensity—the Energy API provides a holistic view of the energy market. This allows developers to access a wide range of data points relevant to their applications without the hassle of managing multiple APIs.
• Rapid Development: The API's consistent JSON schema across all commodities means that developers can ship features in hours, not weeks. This accelerates the development cycle, allowing teams to focus on building innovative solutions rather than dealing with data integration challenges.
• Real-Time Data: The Energy API offers intraday electricity curves and real-time pricing data, which are crucial for applications that require up-to-the-minute information for decision-making. This is particularly beneficial for EV charging networks that need to adjust pricing and availability based on market fluctuations.

Quick Start

Getting started with the 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 retrieved.
• rates: An object containing the latest prices for the requested symbols.
• currencies: The currency in which each price is quoted.

Core Endpoints

Now that you have a quick start guide, let’s explore some core endpoints that are particularly relevant for driving electric vehicle charging networks.

1. GET /latest

This endpoint retrieves the most recent price for one or more symbols. It is essential for applications that require real-time pricing data.

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"

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"
}
}

In this response, the rates object provides the latest prices for Brent Crude, TTF Gas, and EUA CO2, which can be used to inform pricing strategies for EV charging stations.

2. GET /electricity/latest

This endpoint retrieves the latest prices for all electricity symbols, which is crucial for EV charging applications that rely on real-time electricity pricing.

Key Params: country (ISO-2, optional), base (optional)

curl -G https://energy-api.com/api/v1/electricity/latest \
--data-urlencode "country=ES" \
--data-urlencode "api_key=YOUR_API_KEY"

Example JSON response:

{
"success": true,
"date": "2026-06-11",
"base": "EUR",
"rates": {
"OMIE_ES_DA": 50.00,
"EPEX_DE_DA": 55.00
},
"dates": {
"OMIE_ES_DA": "2026-06-11",
"EPEX_DE_DA": "2026-06-11"
},
"currencies": {
"OMIE_ES_DA": "EUR",
"EPEX_DE_DA": "EUR"
}
}

The rates object here provides the latest prices for electricity in Spain and Germany, which can be used to optimize charging costs for EVs based on regional pricing.

3. GET /electricity/hourly

This endpoint provides the full intraday curve for a specific electricity symbol, allowing developers to analyze hourly pricing trends.

Key Params: symbol (required), date (required)

curl -G https://energy-api.com/api/v1/electricity/hourly \
--data-urlencode "symbol=OMIE_ES_DA" \
--data-urlencode "date=2026-06-11" \
--data-urlencode "api_key=YOUR_API_KEY"

Example JSON response:

{
"success": true,
"date": "2026-06-11",
"symbol": "OMIE_ES_DA",
"data": {
"00:00": 48.00,
"01:00": 47.50,
"02:00": 47.00,
"03:00": 46.50,
"04:00": 46.00,
"05:00": 45.50,
"06:00": 45.00,
"07:00": 46.00,
"08:00": 48.00,
"09:00": 50.00,
"10:00": 52.00,
"11:00": 54.00,
"12:00": 55.00,
"13:00": 56.00,
"14:00": 57.00,
"15:00": 58.00,
"16:00": 59.00,
"17:00": 60.00,
"18:00": 61.00,
"19:00": 62.00,
"20:00": 63.00,
"21:00": 64.00,
"22:00": 65.00,
"23:00": 66.00
},
"currency": "EUR"
}

The data object provides hourly pricing for the specified date, which can be used to inform charging strategies based on peak and off-peak pricing.

4. GET /cost-estimate

This endpoint allows developers to estimate the wholesale electricity cost based on the latest price and expected consumption.

Key Params: symbol OR country (one required), kwh_per_month (required)

curl -X POST https://energy-api.com/api/v1/cost-estimate \
--data-urlencode "symbol=OMIE_ES_DA" \
--data-urlencode "kwh_per_month=300" \
--data-urlencode "api_key=YOUR_API_KEY"

Example JSON response:

{
"success": true,
"estimated_cost": {
"amount": 144.00,
"currency": "EUR"
}
}

The estimated_cost object provides the estimated monthly cost for electricity consumption, which is crucial for budgeting and financial planning for EV charging networks.

Real-World Use Cases

Here are three concrete examples of how developers can leverage the Energy API to build impactful solutions:

• Price Alert System: Developers can create a price alert system that notifies users when electricity prices drop below a certain threshold. By using the /electricity/latest endpoint, they can monitor real-time prices and send alerts via SMS or email.
• ESG Dashboard: An ESG (Environmental, Social, and Governance) dashboard can be built to visualize carbon intensity and energy consumption data. By utilizing the /carbon-intensity and /electricity/latest endpoints, developers can provide insights into the sustainability of energy sources used for EV charging.
• Cost Calculator: A cost calculator can help users estimate their monthly electricity expenses based on their EV charging habits. By integrating the /cost-estimate endpoint, developers can provide users with accurate cost projections based on their expected consumption.

FAQ

How often does the TTF gas price update?

The TTF gas price updates daily, reflecting the most recent market data. This ensures that developers have access to the latest pricing information for their applications.

Can I get historical energy prices going back 5 years?

Yes, the Energy API provides historical pricing data for various symbols, allowing developers to access data going back several years. This is useful for trend analysis and forecasting.

Does the API support multiple currencies?

Yes, the Energy API supports multiple currencies, allowing developers to specify their preferred currency for pricing data. This flexibility is essential for applications operating in different regions.

Conclusion

In conclusion, the Energy API is a powerful tool for developers looking to integrate reliable energy market data into their applications. By leveraging its unified REST interface, comprehensive coverage, and real-time data capabilities, developers can build innovative solutions that address the challenges of electric vehicle charging networks. Whether you are creating a price alert system, an ESG dashboard, or a cost calculator, the Energy API provides the necessary data to drive your applications forward.

Don't let the complexities of energy data hold you back. Try Energy API for free today and unlock the potential of real-time energy market data for your projects!