Explorer API
The block explorer at explorer.zecnero.org has an HTTP API. It isn’t documented yet.
TODO
Fill this page from the explorer source: base URL, endpoints (blocks, transactions, addresses, network stats), request and response formats, rate limits, and whether the API is considered stable.
Until then
For anything that needs to be reliable, query your own node through RPC. The explorer API may change without notice while it is undocumented.