This repo contains a database of all Chrome OS recovery images. They are provided as a single JSON file in the root of this repository. The scripts that generate this data are located at the chromeos-releases repository.
You can use this convenient CDN url for fetching the database:
https://cdn.jsdelivr.net/gh/MercuryWorkshop/chromeos-releases-data/data.json
This repository is licensed under the Creative Commons Attribution license. If you use this database for your own projects, you must give credit and link to this repository. The attribution must be visible in the application's user interface.