The getmempoolinfo RPC returns information about the node's current transaction memory pool.
getmempoolinfo none
*bitcoin-cli help getmempoolinfo
getmempoolinfo Returns details on the active state of the TX memory pool. Result: { "size": xxxxx, (numeric) Current tx count "bytes": xxxxx, (numeric) Sum of all virtual transaction sizes as defined in BIP 141. Differs from actual serialized size because witness data is discounted "usage": xxxxx, (numeric) Total memory usage for the mempool "maxmempool": xxxxx, (numeric) Maximum memory usage for the mempool "mempoolminfee": xxxxx (numeric) Minimum fee rate in BTC/kB for tx to be accepted. Is the maximum of minrelaytxfee and minimum mempool fee "minrelaytxfee": xxxxx (numeric) Current minimum relay fee for transactions } Examples: > bitcoin-cli getmempoolinfo > curl --user myusername --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "getmempoolinfo", "params": [] }' -H 'content-type: text/plain;' http://127.0.0.1:8332/