validateaddress
validateaddress "bitcoinaddress"
Return information about the given bitcoin address.
Arguments:
1. "bitcoinaddress"     (string, required) The bitcoin address to validate
Result:
{
  "isvalid" : true|false,         (boolean) If the address is valid or not. If not, this is the only property returned.
  "address" : "bitcoinaddress", (string) The bitcoin address validated
  "ismine" : true|false,          (boolean) If the address is yours or not
  "isscript" : true|false,        (boolean) If the key is a script
  "pubkey" : "publickeyhex",    (string) The hex value of the raw public key
  "iscompressed" : true|false,    (boolean) If the address is compressed
  "account" : "account"         (string) The account associated with the address, "" is the default account
}
Examples:
> bitcoin-cli validateaddress "1PSSGeFHDnKNxiEyFrD1wcEaHr9hrQDDWc"
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "validateaddress", "params": ["1PSSGeFHDnKNxiEyFrD1wcEaHr9hrQDDWc"] }' -H 'content-type: text/plain;' http://127.0.0.1:8332/