Documentation exported from Bitcoin Core 24.0.0

dumpprivkey (24.0.0 RPC)

blockchain

control

mining

network

rawtransactions

signer

util

wallet

zmq

dumpprivkey "address"

Reveals the private key corresponding to 'address'.
Then the importprivkey can be used with this output

Arguments:
1. address    (string, required) The bitcoin address for the private key

Result:
"str"    (string) The private key

Examples:
> bitcoin-cli dumpprivkey "myaddress"
> bitcoin-cli importprivkey "mykey"
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "dumpprivkey", "params": ["myaddress"]}' -H 'content-type: text/plain;' http://127.0.0.1:8332/