There are times #Cardano this is one of those times.
Soshen.io is operating on Amazon & is not open source 😞
"Soshen API which allows for developers and stake pool operators to easily run a blockchain full node by providing a full node service, which Soshen will manage, in order to enable developers to build on Cardano and stake pool operators to run stake pools without the hassle of setting up a data-intensive full node. "
https://www.emurgo.io/#/en/blog/seiza-all-new-cardano-ada-blockchain-explorer-developed-by-emurgo/newsletter