> For the complete documentation index, see [llms.txt](https://docs.altum.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.altum.ai/english/sustainability/nta-8800-energylabel-api/changelog.md).

# Changelog

### 1.12- 2025-07-02

* EPOnline version update from V4 to V5.

### 1.11- 2025-03-06

* Optimized the service to better process larger number of API requests

### 1.10- 2024-12-11

* Added a correction for the calculated yearly gas consumption "estimated\_gas\_usage", based on statistical averages of houses in the Netherlands.

### 1.09 - 2024-12-05

* Added "current\_estimated\_BENG1\_score" output. This output display the current estimated BENG1 score.

### 1.08 - 2024-09-16

* EPOnline version update from V3 to V4.

### 1.07 - 2024-06-18

* Added "measures\_method" output. This output indicates the method used to determine the measures.
* Fixed bug related to "build\_year" and "living\_room\_windows" mismatch. 

### 1.06 - 2024-02-02

* Added "definitive\_BENG2 score" output. This output display the definitve BENG2 score.
* Implemented a data-driven approach by utilizing known information to enhance the accuracy of the estimated measures.

### 1.05 - 2023-12-15

* Added "estimated\_city\_heating\_usage" output. This output display the yearly heat consumption in GJ.

### 1.04 - 2023-12-05

* Added "inhabitants" input

### 1.03 - 2023-10-09

* Added current "CO2" output
* Added "watt\_panels" input to interpret "solar\_panels" input as watt peak capacity solar panels. Example input: "solar\_panels": 15000, "watt\_panels": 0

### 1.02 - 2023-09-23

* Added "ventilation" as input/output

### 1.01 - 2023-08-29

* Added /bag endpoint for requesting sustainability advice based on BAG ID (VBO)


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