curl --request GET \
  --url https://namada-rpc-01.originstake.com/unconfirmed_txs \
  --header 'Key: <api-key>'

{
  "200": {
    "n_txs": "<string>",
    "total": "<string>",
    "total_bytes": "<string>",
    "txs": [
      {}
    ]
  }
}