api list:
https://api.artic.edu/docs/#introduction https://api.artic.edu/api/v1/artworks/search?q=cats ---------------------------------------------

https://api.adviceslip.com/ ---------------------------------------------

https://metmuseum.github.io/ https://collectionapi.metmuseum.org/public/collection/v1/objects/100 ---------------------------------------------

https://date.nager.at/swagger/index.html https://date.nager.at/api/v2/publicholidays/2020/US ---------------------------------------------

https://api.adviceslip.com/ https://api.adviceslip.com/advice ---------------------------------------------

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