For use of our API it requires a backlink preferably in footer. Example backlink "Free Image hosting by: Freeimage.host
We are constantly monitoring usage and if we don't find any backlinks we might block your service without notice. Freeimage.host API v1 (also known as Bridge API) allows to upload pictures as guest to our website. It's called bridge API because is pretty much the same as the API from Chevereto 2.X and is the transition to the future API v2. API v1 doesn't have rate limiting but is affected by our Flood upload limits.
Freeimage.host is chevereto engine. You can find the API documentation here