validateaddress "address"

Return information about the given bitcoin address.
DEPRECATION WARNING: Parts of this command have been deprecated and moved to getaddressinfo. Clients must
transition to using getaddressinfo to access this information before upgrading to v0.18. The following deprecated
fields have moved to getaddressinfo and will only be shown here with -deprecatedrpc=validateaddress: ismine, iswatchonly,
script, hex, pubkeys, sigsrequired, pubkey, addresses, embedded, iscompressed, account, timestamp, hdkeypath, kdmasterkeyid.

1. "address" (string, required) The bitcoin address to validate

"isvalid" : true|false, (boolean) If the address is valid or not. If not, this is the only property returned.
"address" : "address", (string) The bitcoin address validated
"scriptPubKey" : "hex", (string) The hex encoded scriptPubKey generated by the address
"isscript" : true|false, (boolean) If the key is a script
"iswitness" : true|false, (boolean) If the address is a witness address
"witness_version" : version (numeric, optional) The version number of the witness program
"witness_program" : "hex" (string, optional) The hex value of the witness program

> bitcoin-cli validateaddress "1PSSGeFHDnKNxiEyFrD1wcEaHr9hrQDDWc"
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "validateaddress", "params": ["1PSSGeFHDnKNxiEyFrD1wcEaHr9hrQDDWc"] }' -H 'content-type: text/plain;'
Don't trust. Verify. Docs extracted from src/rpc/misc.cpp#L35-L60.