settxfee amount

The settxfee RPC sets the transaction fee per kilobyte paid by transactions created by this wallet.

*bitcoin-cli help settxfee

settxfee amount

Set the transaction fee per kB for this wallet. Overrides the global -paytxfee command line parameter.

1. amount         (numeric or string, required) The transaction fee in BTC/kB

true|false        (boolean) Returns true if successful

> bitcoin-cli settxfee 0.00001
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "settxfee", "params": [0.00001] }' -H 'content-type: text/plain;'