[tim333]

I'm not sure. I made an app for late drinking and got the data from Google and Foursquare APIs. But I don't think they'd have sustainability in the database.

If you search Tripadvisor with sustainable as a search term it gives quite good data and then you could glance at it manually? eg for NY cafes:

https://www.tripadvisor.com.ph/Search?q=sustainable&geo=6076...

[krumhausen]

Building a chatbot that would search or even crawl through listings on Yelp, TripAdvisor and Google Maps would probably allow us to build the database faster - and there are other chatbots out there leveraging existing databases. However, consumers accustomed to services like Airbnb and Etsy are looking for authentic connections to local, and social­-good businesses.

We believe that one of the key value propositions of our product is to provide a highly curated list of high quality and more personalised results. While Google and others are competing on speed and quantity, our key value propositions is to provide users with high quality and more personalised results that they normally would spend hours researching online.

Do these assumptions match your learnings from building a similar experience?

[tim333]

I didn't progress much further with my bar app but how I would probably proceed with that or your project is to start with the data out there and then either curate it manually or try to get feedback from your users as to whether the places are good.