diff --git a/client/examples/test_against_node.rs b/client/examples/test_against_node.rs
index bedaaa85..3e3cdff8 100644
--- a/client/examples/test_against_node.rs
+++ b/client/examples/test_against_node.rs
@@ -37,7 +37,8 @@ async fn main_result() -> Result<(), Error> {
 
     let bitcoin_block: bitcoin::Block = rpc.get_by_id(&best_block_hash).await?;
     println!("best block hash by `get`: {}", bitcoin_block.header.prev_blockhash);
-    let bitcoin_tx: bitcoin::Transaction = rpc.get_by_id(&bitcoin_block.txdata[0].compute_txid()).await?;
+    let bitcoin_tx: bitcoin::Transaction =
+        rpc.get_by_id(&bitcoin_block.txdata[0].compute_txid()).await?;
     println!("tx by `get`: {}", bitcoin_tx.compute_txid());
 
     Ok(())
diff --git a/client/src/client.rs b/client/src/client.rs
index aa7701af..10f1c110 100644
--- a/client/src/client.rs
+++ b/client/src/client.rs
@@ -39,6 +39,32 @@ use crate::queryable;
 /// crate-specific Error type;
 pub type Result<T> = result::Result<T, Error>;
 
+#[derive(Debug, Serialize, Deserialize)]
+pub struct PackageSubmissionFees {
+    pub base: f64,
+    #[serde(rename = "effective-feerate", skip_serializing_if = "Option::is_none")]
+    pub effective_feerate: Option<f64>,
+    #[serde(rename = "effective-includes", skip_serializing_if = "Option::is_none")]
+    pub effective_includes: Option<Vec<String>>,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct PackageTransactionResult {
+    pub txid: String,
+    #[serde(rename = "other-wtxid", skip_serializing_if = "Option::is_none")]
+    pub other_wtxid: Option<String>,
+    pub vsize: u32,
+    pub fees: PackageSubmissionFees,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct PackageSubmissionResult {
+    #[serde(rename = "tx-results")]
+    pub tx_results: HashMap<String, PackageTransactionResult>,
+    #[serde(rename = "replaced-transactions", skip_serializing_if = "Option::is_none")]
+    pub replaced_transactions: Option<Vec<String>>,
+}
+
 /// Outpoint that serializes and deserializes as a map, instead of a string,
 /// for use as RPC arguments
 #[derive(Clone, Debug, Serialize, Deserialize)]
@@ -916,6 +942,12 @@ pub trait RpcApi: Sized {
         self.call("testmempoolaccept", &[hexes.into()]).await
     }
 
+    async fn submit_package<R: RawTx + Send + Sync>(&self, rawtxs: &[R]) -> Result<PackageSubmissionResult> {
+        let hexes: Vec<serde_json::Value> =
+            rawtxs.to_vec().into_iter().map(|r| r.raw_hex().into()).collect();
+        self.call("submitpackage", &[hexes.into()]).await
+    }
+
     async fn stop(&self) -> Result<String> {
         self.call("stop", &[]).await
     }