All of hobbyDB's data is accessible per API and could be displayed on your App or Site. Here are some examples -

The Funko App

Funko uses the hobbyDB API to show its collectors Estimated Values  -

as well as items for sale   -

The Whatnot App

Whatnot is offering Funko items for sale but wanted to display hobbyDB's trusted Estimated Values (here PPG / branded as per hobbyDB's specialized website for Funko)  -