This documentation is a work in progress. More details to follow.
json/snrinfo/ Used to sync multiple explorers to the SNR master so they are all show the same info.
json/state/1.2.3.4 1.2.3.4 is announced address, returns node state (ONLINE=1 UNREACHABLE=2 SYNC=3 STUCK=4 FORKED=5).
json/nodeinfo/1.2.3.4 1.2.3.4 is announced address, returns node details.
json/accounts/ Returns top 10 richest accounts.