diff --git a/CHANGELOG.md b/CHANGELOG.md
index d763700..1e775ce 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## [Unreleased]
 
 ### Added
+- Streaming object replication op (#418)
 
 ### Changed
 
diff --git a/object/service.proto b/object/service.proto
index 7c52c64..b275fbf 100644
--- a/object/service.proto
+++ b/object/service.proto
@@ -264,6 +264,31 @@ service ObjectService {
   // - **CONTAINER_NOT_FOUND** (3072, SECTION_CONTAINER): \
   //   the container to which the replicated object is associated was not found.
   rpc Replicate(ReplicateRequest) returns (ReplicateResponse);
+
+  // Save replica of the object on the NeoFS storage node. Both client and
+  // server must be authenticated NeoFS storage nodes matching storage policy
+  // of the container referenced by the replicated object. Thus, this operation
+  // is purely system: regular users should not pay attention to it but use
+  // Put.
+  //
+  // First message is required and MUST contain `init` field only. `object_id`,
+  // `signature`, `header` and `node_signature` fields are required for it.
+  // Following messages must contain `payload_chunk` field only.
+  //
+  // Server may interrupt the stream with `OK` status if object already exists
+  // on it.
+  //
+  // Statuses:
+  // - **OK** (0, SECTION_SUCCESS): \
+  //   the object has been successfully replicated;
+  // - **INTERNAL_SERVER_ERROR** (1024, SECTION_FAILURE_COMMON): \
+  //   internal server error described in the text message;
+  // - **ACCESS_DENIED** (2048, SECTION_OBJECT): \
+  //   the client does not authenticate any NeoFS storage node matching storage
+  //   policy of the container referenced by the replicated object
+  // - **CONTAINER_NOT_FOUND** (3072, SECTION_CONTAINER): \
+  //   the container to which the replicated object is associated was not found.
+  rpc ReplicateV2(stream ReplicateV2Request) returns (ReplicateV2Response);
 }
 
 // GET object request.
@@ -872,3 +897,41 @@ message ReplicateResponse {
   // `sign_object` flag set.
   bytes object_signature = 2;
 }
+
+// ReplicateV2 RPC request
+message ReplicateV2Request {
+  // Stream initialization data.
+  message Init {
+    // Object to be replicated without payload.
+    neo.fs.v2.object.Object object = 1;
+
+    // Signature of `object.object_id.value` field.
+    neo.fs.v2.refs.Signature signature = 2;
+
+    // Optional flag that requires server side to attach signature of just
+    // replicated object to ensure it has been received correctly. Signature
+    // must be calculated with a key that corresponds to an exposed to the
+    // network map public key of the object receiver.
+    bool sign_object = 3;
+  }
+
+  // Single message in the request stream.
+  oneof stream_part {
+    // Initial stream part.
+    Init init = 1;
+
+    // Payload chunk of the replicated object.
+    bytes payload_chunk = 2;
+  }
+}
+
+// ReplicateV2 RPC response
+message ReplicateV2Response {
+  // Operation execution status with one of the enumerated codes.
+  neo.fs.v2.status.Status status = 1;
+
+  // Deterministic ECDSA with SHA-256 hashing (RFC 6979) signature of
+  // replicated object. Must be attached if request was made with
+  // `init.sign_object` flag set.
+  bytes object_signature = 2;
+}
diff --git a/proto-docs/object.md b/proto-docs/object.md
index f9b96f3..d6e5376 100644
--- a/proto-docs/object.md
+++ b/proto-docs/object.md
@@ -39,6 +39,9 @@
     - [Range](#neo.fs.v2.object.Range)
     - [ReplicateRequest](#neo.fs.v2.object.ReplicateRequest)
     - [ReplicateResponse](#neo.fs.v2.object.ReplicateResponse)
+    - [ReplicateV2Request](#neo.fs.v2.object.ReplicateV2Request)
+    - [ReplicateV2Request.Init](#neo.fs.v2.object.ReplicateV2Request.Init)
+    - [ReplicateV2Response](#neo.fs.v2.object.ReplicateV2Response)
     - [SearchRequest](#neo.fs.v2.object.SearchRequest)
     - [SearchRequest.Body](#neo.fs.v2.object.SearchRequest.Body)
     - [SearchResponse](#neo.fs.v2.object.SearchResponse)
@@ -90,6 +93,7 @@ rpc SearchV2(SearchV2Request) returns (SearchV2Response);
 rpc GetRange(GetRangeRequest) returns (stream GetRangeResponse);
 rpc GetRangeHash(GetRangeHashRequest) returns (GetRangeHashResponse);
 rpc Replicate(ReplicateRequest) returns (ReplicateResponse);
+rpc ReplicateV2(stream ReplicateV2Request) returns (ReplicateV2Response);
 
 ```
 
@@ -381,6 +385,35 @@ Statuses:
 | Name | Input | Output |
 | ---- | ----- | ------ |
 | Replicate | [ReplicateRequest](#neo.fs.v2.object.ReplicateRequest) | [ReplicateResponse](#neo.fs.v2.object.ReplicateResponse) |
+#### Method ReplicateV2
+
+Save replica of the object on the NeoFS storage node. Both client and
+server must be authenticated NeoFS storage nodes matching storage policy
+of the container referenced by the replicated object. Thus, this operation
+is purely system: regular users should not pay attention to it but use
+Put.
+
+First message is required and MUST contain `init` field only. `object_id`,
+`signature`, `header` and `node_signature` fields are required for it.
+Following messages must contain `payload_chunk` field only.
+
+Server may interrupt the stream with `OK` status if object already exists
+on it.
+
+Statuses:
+- **OK** (0, SECTION_SUCCESS): \
+  the object has been successfully replicated;
+- **INTERNAL_SERVER_ERROR** (1024, SECTION_FAILURE_COMMON): \
+  internal server error described in the text message;
+- **ACCESS_DENIED** (2048, SECTION_OBJECT): \
+  the client does not authenticate any NeoFS storage node matching storage
+  policy of the container referenced by the replicated object
+- **CONTAINER_NOT_FOUND** (3072, SECTION_CONTAINER): \
+  the container to which the replicated object is associated was not found.
+
+| Name | Input | Output |
+| ---- | ----- | ------ |
+| ReplicateV2 | [ReplicateV2Request](#neo.fs.v2.object.ReplicateV2Request) | [ReplicateV2Response](#neo.fs.v2.object.ReplicateV2Response) |
  <!-- end services -->
 
 
@@ -838,6 +871,43 @@ Replicate RPC response
 | object_signature | [bytes](#bytes) |  | Deterministic ECDSA with SHA-256 hashing (RFC 6979) signature of replicated object. Must be attached if request was made with `sign_object` flag set. |
 
 
+<a name="neo.fs.v2.object.ReplicateV2Request"></a>
+
+### Message ReplicateV2Request
+ReplicateV2 RPC request
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| init | [ReplicateV2Request.Init](#neo.fs.v2.object.ReplicateV2Request.Init) |  | Initial stream part. |
+| payload_chunk | [bytes](#bytes) |  | Payload chunk of the replicated object. |
+
+
+<a name="neo.fs.v2.object.ReplicateV2Request.Init"></a>
+
+### Message ReplicateV2Request.Init
+Stream initialization data.
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| object | [Object](#neo.fs.v2.object.Object) |  | Object to be replicated without payload. |
+| signature | [neo.fs.v2.refs.Signature](#neo.fs.v2.refs.Signature) |  | Signature of `object.object_id.value` field. |
+| sign_object | [bool](#bool) |  | Optional flag that requires server side to attach signature of just replicated object to ensure it has been received correctly. Signature must be calculated with a key that corresponds to an exposed to the network map public key of the object receiver. |
+
+
+<a name="neo.fs.v2.object.ReplicateV2Response"></a>
+
+### Message ReplicateV2Response
+ReplicateV2 RPC response
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| status | [neo.fs.v2.status.Status](#neo.fs.v2.status.Status) |  | Operation execution status with one of the enumerated codes. |
+| object_signature | [bytes](#bytes) |  | Deterministic ECDSA with SHA-256 hashing (RFC 6979) signature of replicated object. Must be attached if request was made with `init.sign_object` flag set. |
+
+
 <a name="neo.fs.v2.object.SearchRequest"></a>
 
 ### Message SearchRequest