10 Compute Units.
Reference: Here
Result
{ (json object)
"loaded" : true|false, (boolean) True if the mempool is fully loaded
"size" : n, (numeric) Current tx count
"bytes" : n, (numeric) Sum of all virtual transaction sizes as defined in BIP 141. Differs from actual serialized size because witness data is discounted
"usage" : n, (numeric) Total memory usage for the mempool
"maxmempool" : n, (numeric) Maximum memory usage for the mempool
"mempoolminfee" : n, (numeric) Minimum fee rate in BTC/kB for tx to be accepted. Is the maximum of minrelaytxfee and minimum mempool fee
"minrelaytxfee" : n, (numeric) Current minimum relay fee for transactions
"unbroadcastcount" : n (numeric) Current number of transactions that haven't passed initial broadcast yet
}
curl https://mainnet.bitcoin.validationcloud.io/v1/<YOUR_API_KEY_HERE> \
-X POST \
-H "Content-Type: application/json" \
-d '{
"jsonrpc": "1.0",
"id": "curltest",
"method": "getmempoolinfo",
"params": []
}'
curl https://testnet.bitcoin.validationcloud.io/v1/<YOUR_API_KEY_HERE> \
-X POST \
-H "Content-Type: application/json" \
-d '{
"jsonrpc": "1.0",
"id": "curltest",
"method": "getmempoolinfo",
"params": []
}'