addmultisigaddress JSON-RPC command

addmultisigaddress nrequired ["key",...] ( "label" )

Add a nrequired-to-sign multisignature address to the wallet. Requires a new wallet backup.
Each key is a Bitcoin Cash address or hex-encoded public key.
This functionality is only intended for use with non-watchonly addresses.
See `importaddress` for watchonly p2sh address support.
If 'label' is specified (DEPRECATED), assign address to that label.

Arguments

1. nrequired     (numeric, required) The number of required signatures out of the n keys or addresses.
2. keys          (json array, required) A json array of Bitcoin Cash addresses or hex-encoded public keys
     [
       "key",    (string) Bitcoin Cash address or hex-encoded public key
       ...
     ]
3. "label"       (string, optional) A label to assign the addresses to.

Result

{
  "address":"multisigaddress",    (string) The value of the new multisig address.
  "redeemScript":"script"         (string) The string value of the hex-encoded redemption script.
}

Examples

Add a multisig address from 2 addresses
> bitcoin-cli addmultisigaddress 2 "[\"16sSauSf5pF2UkUwvKGq4qjNRzBZYqgEL5\",\"171sgjn4YtPu27adkKGrdDwzRTxnRkBfKV\"]"

As a JSON-RPC call
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "addmultisigaddress", "params": [2, "[\"16sSauSf5pF2UkUwvKGq4qjNRzBZYqgEL5\",\"171sgjn4YtPu27adkKGrdDwzRTxnRkBfKV\"]"] }' -H 'content-type: text/plain;' http://127.0.0.1:8332/

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Bitcoin Cash Node Daemon version v27.1.1-1ce1d89

Documentation on docs.bitcoincashnode.org reflects the current master branch in Git, and may include API changes that are not yet present in the latest release.