diff --git a/src/bridge/ISequencerInbox.sol b/src/bridge/ISequencerInbox.sol
index 6802a42..228a127 100644
--- a/src/bridge/ISequencerInbox.sol
+++ b/src/bridge/ISequencerInbox.sol
@@ -269,6 +269,18 @@ interface ISequencerInbox is IDelayedMessageProvider {
         uint256 newMessageCount
     ) external;
 
+    /// @dev    Proves message delays, updates delay buffers, verifies EigenDA certs, and posts them to the accumulator.
+    ///         DelayProof proves the delay of the message and syncs the delay buffer.
+    function addSequencerL2BatchFromEigenDADelayProof(
+        uint256 sequenceNumber,
+        EigenDACert calldata cert,
+        IGasRefunder gasRefunder,
+        uint256 afterDelayedMessagesRead,
+        uint256 prevMessageCount,
+        uint256 newMessageCount,
+        DelayProof calldata delayProof
+    ) external;
+
     /// @dev    Proves message delays, updates delay buffers, and posts an L2 batch with blob data.
     ///         DelayProof proves the delay of the message and syncs the delay buffer.
     function addSequencerL2BatchFromBlobsDelayProof(
diff --git a/src/bridge/SequencerInbox.sol b/src/bridge/SequencerInbox.sol
index dbf6b5e..737acbb 100644
--- a/src/bridge/SequencerInbox.sol
+++ b/src/bridge/SequencerInbox.sol
@@ -146,7 +146,7 @@ contract SequencerInbox is DelegateCallAware, GasRefundEnabled, ISequencerInbox
     // gap used to ensure forward compatiblity with newly introduced storage variables
     // from upstream offchainlabs/nitro-contracts. Any newly introduced storage vars
     // made in subsequent releases should result in decrementing the gap counter
-    uint256[38] internal __gap;
+    uint256[37] internal __gap;
     IRollupManager public eigenDARollupManager;
 
     constructor(
@@ -455,6 +455,39 @@ contract SequencerInbox is DelegateCallAware, GasRefundEnabled, ISequencerInbox
         }
     }
 
+    /// @inheritdoc ISequencerInbox
+    function addSequencerL2BatchFromEigenDADelayProof(
+        uint256 sequenceNumber,
+        EigenDACert calldata cert,
+        IGasRefunder gasRefunder,
+        uint256 afterDelayedMessagesRead,
+        uint256 prevMessageCount,
+        uint256 newMessageCount,
+        DelayProof calldata delayProof
+    ) external refundsGas(gasRefunder, IReader4844(address(0))) {
+        if (!CallerChecker.isCallerCodelessOrigin()) revert NotCodelessOrigin();
+        if (!isBatchPoster[msg.sender]) revert NotBatchPoster();
+        if (!isDelayBufferable) revert NotDelayBufferable();
+
+        delayProofImpl(afterDelayedMessagesRead, delayProof);
+
+        // Verify that the blob was actually included before continuing
+        eigenDARollupManager.verifyBlob(cert.blobHeader, cert.blobVerificationProof);
+        // Form the EigenDA data hash and get the time bounds
+        (bytes32 dataHash, IBridge.TimeBounds memory timeBounds) =
+            formEigenDADataHash(cert, afterDelayedMessagesRead);
+
+        ISequencerInbox.SequenceMetadata memory metadata = ISequencerInbox.SequenceMetadata({
+            sequenceNumber: sequenceNumber,
+            afterDelayedMessagesRead: afterDelayedMessagesRead,
+            prevMessageCount: prevMessageCount,
+            newMessageCount: newMessageCount
+        });
+
+        // Call a helper function to add the sequencer L2 batch
+        _addSequencerL2Batch(metadata, dataHash, timeBounds);
+    }
+
     function addSequencerL2BatchFromEigenDA(
         uint256 sequenceNumber,
         EigenDACert calldata cert,
@@ -463,9 +496,10 @@ contract SequencerInbox is DelegateCallAware, GasRefundEnabled, ISequencerInbox
         uint256 prevMessageCount,
         uint256 newMessageCount
     ) external refundsGas(gasRefunder, IReader4844(address(0))) {
-        if (msg.sender != tx.origin) revert NotOrigin();
+        if (!CallerChecker.isCallerCodelessOrigin()) revert NotCodelessOrigin();
         if (!isBatchPoster[msg.sender]) revert NotBatchPoster();
-        if (address(msg.sender).code.length > 0) revert NotEOA();
+        if (isDelayProofRequired(afterDelayedMessagesRead)) revert DelayProofRequired();
+
         // Verify that the blob was actually included before continuing
         eigenDARollupManager.verifyBlob(cert.blobHeader, cert.blobVerificationProof);
         // Form the EigenDA data hash and get the time bounds
diff --git a/test/contract/sequencerInboxDelayBufferable.spec.ts b/test/contract/sequencerInboxDelayBufferable.spec.ts
index 5f30a0b..fe5bacf 100644
--- a/test/contract/sequencerInboxDelayBufferable.spec.ts
+++ b/test/contract/sequencerInboxDelayBufferable.spec.ts
@@ -11,6 +11,7 @@ import {
   forceIncludeMessages,
 } from './testHelpers'
 
+// TODO: Add delay proof tests for EigenDA entrypoint
 describe('SequencerInboxDelayBufferable', async () => {
   it('can deplete buffer', async () => {
     const { bridge, sequencerInbox, batchPoster, delayConfig, maxDelay } =
diff --git a/test/foundry/SequencerInbox.t.sol b/test/foundry/SequencerInbox.t.sol
index 4cb9a7f..aa34da1 100644
--- a/test/foundry/SequencerInbox.t.sol
+++ b/test/foundry/SequencerInbox.t.sol
@@ -446,9 +446,10 @@ contract SequencerInboxTest is Test {
             subMessageCount,
             subMessageCount + 1
         );
+    }
 
-        // TODO: put these in jsons later
-        // create illegal commitment
+    function testAddSequencerL2BatchFromEigenDAFailsWithInvalidCert() public {
+        // TODO: put these in json files
         BN254.G1Point memory illegalCommitment = BN254.G1Point({
             X: 11151623676041303181597631684634074376466382703418354161831688442589830350329,
             Y: 4222041728992406478862708226745479381252734858741080790666424175645694456140
@@ -479,6 +480,40 @@ contract SequencerInboxTest is Test {
             inclusionProof: bytes(""),
             quorumIndices: bytes("")
         });
+
+        // finish filling out the illegalBlobHeader
+        illegalBlobHeader.commitment = illegalCommitment;
+        illegalBlobHeader.dataLength = 20;
+
+        ISequencerInbox.EigenDACert memory illegalCert = ISequencerInbox.EigenDACert({
+            blobHeader: illegalBlobHeader,
+            blobVerificationProof: illegalBlobVerificationProof
+        });
+
+        // change the eigenDAServiceManager to use the holesky testnet contract
+        (SequencerInbox seqInbox, Bridge bridge,) = deployRollup(false, false, bufferConfigDefault);
+        address delayedInboxSender = address(140);
+        uint8 delayedInboxKind = 3;
+        bytes32 messageDataHash = RAND.Bytes32();
+
+        vm.prank(dummyInbox);
+        bridge.enqueueDelayedMessage(delayedInboxKind, delayedInboxSender, messageDataHash);
+
+        uint256 subMessageCount = bridge.sequencerReportedSubMessageCount();
+        uint256 sequenceNumber = bridge.sequencerMessageCount();
+        uint256 delayedMessagesRead = bridge.delayedMessageCount();
+
+        vm.prank(tx.origin);
+
+        vm.expectRevert();
+        seqInbox.addSequencerL2BatchFromEigenDA(
+            sequenceNumber,
+            illegalCert,
+            IGasRefunder(address(0)),
+            delayedMessagesRead,
+            subMessageCount,
+            subMessageCount + 1
+        );
     }
 
     function testAddSequencerL2BatchFromOrigin_ArbitrumHosted(
@@ -862,9 +897,6 @@ contract SequencerInboxTest is Test {
         blobHeader.dataLength =
             uint32(uint256(vm.parseJsonInt(json, ".blob_info.blob_header.data_length")));
 
-        //bytes memory quorumParamsBytes = vm.parseJson(json, ".blob_info.blob_header.blob_quorum_params");
-
-        // TODO: Parse these from the array, for some reason parsing them reads in the wrong order
         IEigenDAServiceManager.QuorumBlobParam[] memory quorumParams =
             new IEigenDAServiceManager.QuorumBlobParam[](2);