diff --git a/web3/engine_api.nim b/web3/engine_api.nim
index 5c2fafc..9bc54fa 100644
--- a/web3/engine_api.nim
+++ b/web3/engine_api.nim
@@ -36,6 +36,12 @@ template getPayload*(
     payloadId: PayloadID): Future[GetPayloadV2Response] =
   engine_getPayloadV2(rpcClient, payloadId)
 
+template getPayload*(
+    rpcClient: RpcClient,
+    T: type GetPayloadV3Response,
+    payloadId: PayloadID): Future[GetPayloadV3Response] =
+  engine_getPayloadV3(rpcClient, payloadId)
+
 template newPayload*(
     rpcClient: RpcClient,
     payload: ExecutionPayloadV1): Future[PayloadStatusV1] =
diff --git a/web3/engine_api_callsigs.nim b/web3/engine_api_callsigs.nim
index 83ddd4a..52677ab 100644
--- a/web3/engine_api_callsigs.nim
+++ b/web3/engine_api_callsigs.nim
@@ -4,8 +4,11 @@ import ethtypes, engine_api_types
 
 proc engine_newPayloadV1(payload: ExecutionPayloadV1): PayloadStatusV1
 proc engine_newPayloadV2(payload: ExecutionPayloadV2): PayloadStatusV1
+proc engine_newPayloadV3(payload: ExecutionPayloadV3): PayloadStatusV1
 proc engine_forkchoiceUpdatedV1(forkchoiceState: ForkchoiceStateV1, payloadAttributes: Option[PayloadAttributesV1]): ForkchoiceUpdatedResponse
 proc engine_forkchoiceUpdatedV2(forkchoiceState: ForkchoiceStateV1, payloadAttributes: Option[PayloadAttributesV2]): ForkchoiceUpdatedResponse
 proc engine_getPayloadV1(payloadId: PayloadID): ExecutionPayloadV1
 proc engine_getPayloadV2(payloadId: PayloadID): GetPayloadV2Response
+proc engine_getPayloadV3(payloadId: PayloadID): GetPayloadV3Response
 proc engine_exchangeTransitionConfigurationV1(transitionConfiguration: TransitionConfigurationV1): TransitionConfigurationV1
+proc engine_getBlobsBundleV1(payloadId: PayloadID): BlobsBundleV1
diff --git a/web3/engine_api_types.nim b/web3/engine_api_types.nim
index 1444b61..99c1e86 100644
--- a/web3/engine_api_types.nim
+++ b/web3/engine_api_types.nim
@@ -56,9 +56,14 @@ type
     executionPayload*: ExecutionPayloadV2
     blockValue*: Quantity
 
+  GetPayloadV3Response* = object
+    executionPayload*: ExecutionPayloadV3
+    blockValue*: Quantity
+
   SomeGetPayloadResponse* =
     ExecutionPayloadV1 |
-    GetPayloadV2Response
+    GetPayloadV2Response |
+    GetPayloadV3Response
 
 const
   # https://github.com/ethereum/execution-apis/blob/v1.0.0-beta.1/src/engine/specification.md#errors
diff --git a/web3/ethtypes.nim b/web3/ethtypes.nim
index 5eda432..7adb8eb 100644
--- a/web3/ethtypes.nim
+++ b/web3/ethtypes.nim
@@ -38,6 +38,9 @@ type
 
   Quantity* = distinct uint64
 
+  KZGCommitment* = FixedBytes[48]
+  Blob* = FixedBytes[4096 * 32]
+
   EthSend* = object
     source*: Address             # the address the transaction is send from.
     to*: Option[Address]         # (optional when creating new contract) the address the transaction is directed to.
@@ -233,9 +236,35 @@ type
     transactions*: seq[TypedTransaction]
     withdrawals*: seq[WithdrawalV1]
 
+  # https://github.com/ethereum/execution-apis/blob/d072d080b92d26a1087337c7e2da4147a0ed0347/src/engine/experimental/blob-extension.md#executionpayloadv3
+  ExecutionPayloadV3* = object
+    parentHash*: BlockHash
+    feeRecipient*: Address
+    stateRoot*: BlockHash
+    receiptsRoot*: BlockHash
+    logsBloom*: FixedBytes[256]
+    prevRandao*: FixedBytes[32]
+    blockNumber*: Quantity
+    gasLimit*: Quantity
+    gasUsed*: Quantity
+    timestamp*: Quantity
+    extraData*: DynamicBytes[0, 32]
+    baseFeePerGas*: UInt256
+    excessDataGas*: UInt256
+    blockHash*: BlockHash
+    transactions*: seq[TypedTransaction]
+    withdrawals*: seq[WithdrawalV1]
+
   SomeExecutionPayload* =
     ExecutionPayloadV1 |
-    ExecutionPayloadV2
+    ExecutionPayloadV2 |
+    ExecutionPayloadV3
+
+  # https://github.com/ethereum/execution-apis/blob/d072d080b92d26a1087337c7e2da4147a0ed0347/src/engine/experimental/blob-extension.md#BlobsBundleV1
+  BlobsBundleV1* = object
+    blockHash*: BlockHash
+    kzgs*: seq[KZGCommitment]
+    blobs*: seq[Blob]
 
   RlpEncodedBytes* = distinct seq[byte]