Rescan the local blockchain for wallet related transactions. Can specify a start and stop height.
start_heightnumberoptionalstop_heightnumberoptionalcurl --user myuser --data-binary '{"jsonrpc":"1.0","id":"1","method":"rescanblockchain","params":[800000]}' -H 'content-type:text/plain;' http://127.0.0.1:8332/{
"start_height": 800000,
"stop_height": 840000
}