diff --git a/cre/capabilities/blockchain/aptos/v1alpha/client.proto b/cre/capabilities/blockchain/aptos/v1alpha/client.proto
new file mode 100644
index 00000000..11605bf8
--- /dev/null
+++ b/cre/capabilities/blockchain/aptos/v1alpha/client.proto
@@ -0,0 +1,202 @@
+syntax = "proto3";
+package capabilities.blockchain.aptos.v1alpha;
+
+import "sdk/v1alpha/sdk.proto";
+import "tools/generator/v1alpha/cre_metadata.proto";
+
+// Transaction execution status returned by the forwarder.
+enum TxStatus {
+  TX_STATUS_FATAL = 0; // unrecoverable failure
+  TX_STATUS_ABORTED = 1; // not executed / dropped
+  TX_STATUS_SUCCESS = 2; // executed successfully
+}
+
+// ========== AccountAPTBalance ==========
+
+message AccountAPTBalanceRequest {
+  bytes address = 1; // 32-byte address
+}
+
+message AccountAPTBalanceReply {
+  uint64 value = 1;
+}
+
+// ========== View ==========
+
+message ViewRequest {
+  ViewPayload payload = 1;
+}
+
+message ViewReply {
+  bytes data = 1;
+}
+
+message ViewPayload {
+  ModuleID module = 1;
+  string function = 2;
+  repeated TypeTag arg_types = 3;
+  repeated bytes args = 4;
+}
+
+message ModuleID {
+  bytes address = 1; // 32-byte address
+  string name = 2;
+}
+
+message TypeTag {
+  TypeTagType type = 1;
+  oneof value {
+    VectorTag vector = 2;
+    StructTag struct = 3;
+    GenericTag generic = 4;
+  }
+}
+
+enum TypeTagType {
+  TYPE_TAG_BOOL = 0;
+  TYPE_TAG_U8 = 1;
+  TYPE_TAG_U16 = 2;
+  TYPE_TAG_U32 = 3;
+  TYPE_TAG_U64 = 4;
+  TYPE_TAG_U128 = 5;
+  TYPE_TAG_U256 = 6;
+  TYPE_TAG_ADDRESS = 7;
+  TYPE_TAG_SIGNER = 8;
+  TYPE_TAG_VECTOR = 9;
+  TYPE_TAG_STRUCT = 10;
+  TYPE_TAG_GENERIC = 11;
+}
+
+message VectorTag {
+  TypeTag element_type = 1;
+}
+
+message StructTag {
+  bytes address = 1; // 32-byte address
+  string module = 2;
+  string name = 3;
+  repeated TypeTag type_params = 4;
+}
+
+message GenericTag {
+  uint32 index = 1;
+}
+
+// ========== EventsByHandle ==========
+
+message EventsByHandleRequest {
+  bytes account = 1; // 32-byte address
+  string event_handle = 2; // Event handle struct tag
+  string field_name = 3; // Field in the event handle struct
+  optional uint64 start = 4; // Starting sequence number
+  optional uint64 limit = 5; // Number of events to return (default 100)
+}
+
+message EventsByHandleReply {
+  repeated Event events = 1;
+}
+
+message Event {
+  uint64 version = 1; // Block version of the event
+  string type = 2; // Fully qualified name e.g. 0x1::coin::WithdrawEvent
+  optional GUID guid = 3; // Unique identifier (V1 events only)
+  uint64 sequence_number = 4; // Sequence number (V1 events only)
+  bytes data = 5; // Event data as raw bytes
+}
+
+message GUID {
+  uint64 creation_number = 1; // Number of the GUID
+  bytes account_address = 2; // 32-byte account address of creator
+}
+
+// ========== TransactionByHash ==========
+
+message TransactionByHashRequest {
+  string hash = 1; // Transaction hash (hex string with 0x prefix)
+}
+
+message TransactionByHashReply {
+  optional Transaction transaction = 1;
+}
+
+enum TransactionVariant {
+  TRANSACTION_VARIANT_PENDING = 0;
+  TRANSACTION_VARIANT_USER = 1;
+  TRANSACTION_VARIANT_GENESIS = 2;
+  TRANSACTION_VARIANT_BLOCK_METADATA = 3;
+  TRANSACTION_VARIANT_BLOCK_EPILOGUE = 4;
+  TRANSACTION_VARIANT_STATE_CHECKPOINT = 5;
+  TRANSACTION_VARIANT_VALIDATOR = 6;
+  TRANSACTION_VARIANT_UNKNOWN = 7;
+}
+
+message Transaction {
+  TransactionVariant type = 1;
+  string hash = 2;
+  optional uint64 version = 3; // nil for pending transactions
+  optional bool success = 4; // nil for pending/genesis transactions
+  bytes data = 5; // Raw transaction data
+}
+
+// ========== SubmitTransaction ==========
+
+message SubmitTransactionRequest {
+  ModuleID receiver_module_id = 1;
+  bytes encoded_payload = 2;
+  optional GasConfig gas_config = 3;
+}
+
+message SubmitTransactionReply {
+  TxStatus tx_status = 1;
+  string tx_hash = 2;
+  string tx_idempotency_key = 3;
+}
+
+message GasConfig {
+  uint64 max_gas_amount = 1; // Maximum gas units willing to pay
+  uint64 gas_unit_price = 2; // Price per gas unit in octas
+}
+
+// ========== WriteReport ==========
+
+message WriteReportRequest {
+  bytes receiver = 1; // 32-byte Aptos account address of the receiver module
+  optional GasConfig gas_config = 2; // optional gas configuration
+  sdk.v1alpha.ReportResponse report = 3; // signed report from consensus
+}
+
+message WriteReportReply {
+  TxStatus tx_status = 1;
+  optional string tx_hash = 2; // transaction hash (hex string with 0x prefix)
+  optional uint64 transaction_fee = 3; // gas used in octas
+  optional string error_message = 4;
+}
+
+// ========== Service ==========
+
+service Client {
+  option (tools.generator.v1alpha.capability) = {
+    mode: MODE_DON
+    capability_id: "aptos@1.0.0"
+    labels: {
+      // from https://github.com/smartcontractkit/chain-selectors/blob/main/selectors_aptos.yml
+      key: "ChainSelector"
+      value: {
+        uint64_label: {
+          defaults: [
+            {
+              key: "aptos-mainnet"
+              value: 4741433654826277614
+            },
+            {
+              key: "aptos-testnet"
+              value: 743186221051783445
+            }
+          ]
+        }
+      }
+    }
+  };
+
+  rpc WriteReport(WriteReportRequest) returns (WriteReportReply);
+}
diff --git a/cre/go/installer/pkg/embedded_gen.go b/cre/go/installer/pkg/embedded_gen.go
index d20b63cf..bb28f40f 100755
--- a/cre/go/installer/pkg/embedded_gen.go
+++ b/cre/go/installer/pkg/embedded_gen.go
@@ -1,6 +1,210 @@
 // Code generated by github.com/smartcontractkit/chainlink-protos/cre/go/installer/bootstrap. DO NOT EDIT.\n")
 package pkg
 
+const blockchainAptosV1alphaClientEmbedded = `syntax = "proto3";
+package capabilities.blockchain.aptos.v1alpha;
+
+import "sdk/v1alpha/sdk.proto";
+import "tools/generator/v1alpha/cre_metadata.proto";
+
+// Transaction execution status returned by the forwarder.
+enum TxStatus {
+  TX_STATUS_FATAL = 0; // unrecoverable failure
+  TX_STATUS_ABORTED = 1; // not executed / dropped
+  TX_STATUS_SUCCESS = 2; // executed successfully
+}
+
+// ========== AccountAPTBalance ==========
+
+message AccountAPTBalanceRequest {
+  bytes address = 1; // 32-byte address
+}
+
+message AccountAPTBalanceReply {
+  uint64 value = 1;
+}
+
+// ========== View ==========
+
+message ViewRequest {
+  ViewPayload payload = 1;
+}
+
+message ViewReply {
+  bytes data = 1;
+}
+
+message ViewPayload {
+  ModuleID module = 1;
+  string function = 2;
+  repeated TypeTag arg_types = 3;
+  repeated bytes args = 4;
+}
+
+message ModuleID {
+  bytes address = 1; // 32-byte address
+  string name = 2;
+}
+
+message TypeTag {
+  TypeTagType type = 1;
+  oneof value {
+    VectorTag vector = 2;
+    StructTag struct = 3;
+    GenericTag generic = 4;
+  }
+}
+
+enum TypeTagType {
+  TYPE_TAG_BOOL = 0;
+  TYPE_TAG_U8 = 1;
+  TYPE_TAG_U16 = 2;
+  TYPE_TAG_U32 = 3;
+  TYPE_TAG_U64 = 4;
+  TYPE_TAG_U128 = 5;
+  TYPE_TAG_U256 = 6;
+  TYPE_TAG_ADDRESS = 7;
+  TYPE_TAG_SIGNER = 8;
+  TYPE_TAG_VECTOR = 9;
+  TYPE_TAG_STRUCT = 10;
+  TYPE_TAG_GENERIC = 11;
+}
+
+message VectorTag {
+  TypeTag element_type = 1;
+}
+
+message StructTag {
+  bytes address = 1; // 32-byte address
+  string module = 2;
+  string name = 3;
+  repeated TypeTag type_params = 4;
+}
+
+message GenericTag {
+  uint32 index = 1;
+}
+
+// ========== EventsByHandle ==========
+
+message EventsByHandleRequest {
+  bytes account = 1; // 32-byte address
+  string event_handle = 2; // Event handle struct tag
+  string field_name = 3; // Field in the event handle struct
+  optional uint64 start = 4; // Starting sequence number
+  optional uint64 limit = 5; // Number of events to return (default 100)
+}
+
+message EventsByHandleReply {
+  repeated Event events = 1;
+}
+
+message Event {
+  uint64 version = 1; // Block version of the event
+  string type = 2; // Fully qualified name e.g. 0x1::coin::WithdrawEvent
+  optional GUID guid = 3; // Unique identifier (V1 events only)
+  uint64 sequence_number = 4; // Sequence number (V1 events only)
+  bytes data = 5; // Event data as raw bytes
+}
+
+message GUID {
+  uint64 creation_number = 1; // Number of the GUID
+  bytes account_address = 2; // 32-byte account address of creator
+}
+
+// ========== TransactionByHash ==========
+
+message TransactionByHashRequest {
+  string hash = 1; // Transaction hash (hex string with 0x prefix)
+}
+
+message TransactionByHashReply {
+  optional Transaction transaction = 1;
+}
+
+enum TransactionVariant {
+  TRANSACTION_VARIANT_PENDING = 0;
+  TRANSACTION_VARIANT_USER = 1;
+  TRANSACTION_VARIANT_GENESIS = 2;
+  TRANSACTION_VARIANT_BLOCK_METADATA = 3;
+  TRANSACTION_VARIANT_BLOCK_EPILOGUE = 4;
+  TRANSACTION_VARIANT_STATE_CHECKPOINT = 5;
+  TRANSACTION_VARIANT_VALIDATOR = 6;
+  TRANSACTION_VARIANT_UNKNOWN = 7;
+}
+
+message Transaction {
+  TransactionVariant type = 1;
+  string hash = 2;
+  optional uint64 version = 3; // nil for pending transactions
+  optional bool success = 4; // nil for pending/genesis transactions
+  bytes data = 5; // Raw transaction data
+}
+
+// ========== SubmitTransaction ==========
+
+message SubmitTransactionRequest {
+  ModuleID receiver_module_id = 1;
+  bytes encoded_payload = 2;
+  optional GasConfig gas_config = 3;
+}
+
+message SubmitTransactionReply {
+  TxStatus tx_status = 1;
+  string tx_hash = 2;
+  string tx_idempotency_key = 3;
+}
+
+message GasConfig {
+  uint64 max_gas_amount = 1; // Maximum gas units willing to pay
+  uint64 gas_unit_price = 2; // Price per gas unit in octas
+}
+
+// ========== WriteReport ==========
+
+message WriteReportRequest {
+  bytes receiver = 1; // 32-byte Aptos account address of the receiver module
+  optional GasConfig gas_config = 2; // optional gas configuration
+  sdk.v1alpha.ReportResponse report = 3; // signed report from consensus
+}
+
+message WriteReportReply {
+  TxStatus tx_status = 1;
+  optional string tx_hash = 2; // transaction hash (hex string with 0x prefix)
+  optional uint64 transaction_fee = 3; // gas used in octas
+  optional string error_message = 4;
+}
+
+// ========== Service ==========
+
+service Client {
+  option (tools.generator.v1alpha.capability) = {
+    mode: MODE_DON
+    capability_id: "aptos@1.0.0"
+    labels: {
+      // from https://github.com/smartcontractkit/chain-selectors/blob/main/selectors_aptos.yml
+      key: "ChainSelector"
+      value: {
+        uint64_label: {
+          defaults: [
+            {
+              key: "aptos-mainnet"
+              value: 4741433654826277614
+            },
+            {
+              key: "aptos-testnet"
+              value: 743186221051783445
+            }
+          ]
+        }
+      }
+    }
+  };
+
+  rpc WriteReport(WriteReportRequest) returns (WriteReportReply);
+}
+`
+
 const blockchainEvmV1alphaClientEmbedded = `syntax = "proto3";
 
 package capabilities.blockchain.evm.v1alpha;
@@ -1595,6 +1799,10 @@ message Decimal {
 `
 
 var allFiles = []*embeddedFile{
+	{
+		name:    "capabilities/blockchain/aptos/v1alpha/client.proto",
+		content: blockchainAptosV1alphaClientEmbedded,
+	},
 	{
 		name:    "capabilities/blockchain/evm/v1alpha/client.proto",
 		content: blockchainEvmV1alphaClientEmbedded,