diff --git a/beacon_node/http_api/src/publish_blocks.rs b/beacon_node/http_api/src/publish_blocks.rs
index d73ec437bb..49d655785b 100644
--- a/beacon_node/http_api/src/publish_blocks.rs
+++ b/beacon_node/http_api/src/publish_blocks.rs
@@ -10,7 +10,10 @@ use slot_clock::SlotClock;
 use std::sync::Arc;
 use tokio::sync::mpsc::UnboundedSender;
 use tree_hash::TreeHash;
-use types::{AbstractExecPayload, BlindedPayload, EthSpec, ExecPayload, ExecutionBlockHash, FullPayload, Hash256, SignedBeaconBlock, SignedBlockContents};
+use types::{
+    AbstractExecPayload, BlindedPayload, EthSpec, ExecPayload, ExecutionBlockHash, FullPayload,
+    Hash256, SignedBeaconBlock, SignedBlockContents,
+};
 use warp::Rejection;
 
 /// Handles a request from the HTTP API for full blocks.
@@ -22,7 +25,7 @@ pub async fn publish_block<T: BeaconChainTypes>(
     log: Logger,
 ) -> Result<(), Rejection> {
     let seen_timestamp = timestamp_now();
-    let (block, _maybe_blobs) = block_contents.deconstruct();
+    let (block, maybe_blobs) = block_contents.deconstruct();
     let block = Arc::new(block);
 
     //FIXME(sean) have to move this to prior to publishing because it's included in the blobs sidecar message.
@@ -36,13 +39,27 @@ pub async fn publish_block<T: BeaconChainTypes>(
 
     // Send the block, regardless of whether or not it is valid. The API
     // specification is very clear that this is the desired behaviour.
-    let wrapped_block: BlockWrapper<T::EthSpec> =
-        if matches!(block.as_ref(), SignedBeaconBlock::Eip4844(_)) {
-            todo!("to be implemented")
-        } else {
+    let wrapped_block: BlockWrapper<T::EthSpec> = match block.as_ref() {
+        SignedBeaconBlock::Base(_)
+        | SignedBeaconBlock::Altair(_)
+        | SignedBeaconBlock::Merge(_)
+        | SignedBeaconBlock::Capella(_) => {
             crate::publish_pubsub_message(network_tx, PubsubMessage::BeaconBlock(block.clone()))?;
             block.into()
-        };
+        }
+        SignedBeaconBlock::Eip4844(_) => {
+            crate::publish_pubsub_message(network_tx, PubsubMessage::BeaconBlock(block.clone()))?;
+            if let Some(blobs) = maybe_blobs {
+                for (blob_index, blob) in blobs.into_iter().enumerate() {
+                    crate::publish_pubsub_message(
+                        network_tx,
+                        PubsubMessage::BlobSidecar(Box::new((blob_index as u64, blob))),
+                    )?;
+                }
+            }
+            block.into()
+        }
+    };
 
     // Determine the delay after the start of the slot, register it with metrics.
     let block = wrapped_block.as_block();
diff --git a/consensus/types/src/signed_block_and_blobs.rs b/consensus/types/src/signed_block_and_blobs.rs
index 3ab3d3dfee..c6d154ef0f 100644
--- a/consensus/types/src/signed_block_and_blobs.rs
+++ b/consensus/types/src/signed_block_and_blobs.rs
@@ -1,10 +1,13 @@
-use crate::{AbstractExecPayload, BlobsSidecar, EthSpec, SignedBeaconBlock, SignedBeaconBlockEip4844, SignedBlobSidecar};
+use crate::{
+    AbstractExecPayload, BlobsSidecar, EthSpec, SignedBeaconBlock, SignedBeaconBlockEip4844,
+    SignedBlobSidecar,
+};
 use derivative::Derivative;
 use serde_derive::{Deserialize, Serialize};
 use ssz::{Decode, DecodeError};
 use ssz_derive::{Decode, Encode};
-use std::sync::Arc;
 use ssz_types::VariableList;
+use std::sync::Arc;
 use tree_hash_derive::TreeHash;
 
 #[derive(Debug, Clone, Serialize, Deserialize, Encode, Decode, TreeHash, PartialEq)]
@@ -41,4 +44,4 @@ impl<T: EthSpec> SignedBeaconBlockAndBlobsSidecar<T> {
 pub struct SignedBeaconBlockAndBlobSidecars<T: EthSpec, Payload: AbstractExecPayload<T>> {
     pub signed_block: SignedBeaconBlock<T, Payload>,
     pub signed_blob_sidecars: VariableList<SignedBlobSidecar<T>, <T as EthSpec>::MaxBlobsPerBlock>,
-}
\ No newline at end of file
+}