diff --git a/cmd/http-gw/settings.go b/cmd/http-gw/settings.go
index 12d73d6..63815d3 100644
--- a/cmd/http-gw/settings.go
+++ b/cmd/http-gw/settings.go
@@ -21,6 +21,7 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/internal/service/frostfs"
 	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/resolver"
 	grpctracing "git.frostfs.info/TrueCloudLab/frostfs-observability/tracing/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-qos/tagging"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/pool"
 	treepool "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/pool/tree"
 	"github.com/spf13/pflag"
@@ -670,6 +671,8 @@ func (a *app) initPools(ctx context.Context) {
 		grpc.WithUnaryInterceptor(grpctracing.NewUnaryClientInteceptor()),
 		grpc.WithStreamInterceptor(grpctracing.NewStreamClientInterceptor()),
 		grpc.WithContextDialer(a.settings.dialerSource.GrpcContextDialer()),
+		grpc.WithChainUnaryInterceptor(tagging.NewUnaryClientInteceptor()),
+		grpc.WithChainStreamInterceptor(tagging.NewStreamClientInterceptor()),
 	}
 	prm.SetGRPCDialOptions(interceptors...)
 	prmTree.SetGRPCDialOptions(interceptors...)
diff --git a/go.mod b/go.mod
index b3f590e..91fc836 100644
--- a/go.mod
+++ b/go.mod
@@ -4,6 +4,7 @@ go 1.22
 
 require (
 	git.frostfs.info/TrueCloudLab/frostfs-observability v0.0.0-20241125133852-37bd75821121
+	git.frostfs.info/TrueCloudLab/frostfs-qos v0.0.0-20250128150313-cfbca7fa1dfe
 	git.frostfs.info/TrueCloudLab/frostfs-sdk-go v0.0.0-20250130095343-593dd77d841a
 	git.frostfs.info/TrueCloudLab/multinet v0.0.0-20241015075604-6cb0d80e0972
 	git.frostfs.info/TrueCloudLab/zapjournald v0.0.0-20240124114243-cb2e66427d02
diff --git a/go.sum b/go.sum
index 9ee2d9c..a2121ab 100644
--- a/go.sum
+++ b/go.sum
@@ -42,10 +42,12 @@ git.frostfs.info/TrueCloudLab/frostfs-contract v0.19.3-0.20240621131249-49e5270f
 git.frostfs.info/TrueCloudLab/frostfs-contract v0.19.3-0.20240621131249-49e5270f673e/go.mod h1:F/fe1OoIDKr5Bz99q4sriuHDuf3aZefZy9ZsCqEtgxc=
 git.frostfs.info/TrueCloudLab/frostfs-crypto v0.6.0 h1:FxqFDhQYYgpe41qsIHVOcdzSVCB8JNSfPG7Uk4r2oSk=
 git.frostfs.info/TrueCloudLab/frostfs-crypto v0.6.0/go.mod h1:RUIKZATQLJ+TaYQa60X2fTDwfuhMfm8Ar60bQ5fr+vU=
-git.frostfs.info/TrueCloudLab/frostfs-sdk-go v0.0.0-20250130095343-593dd77d841a h1:Ud+3zz4WP9HPxEQxDPJZPpiPdm30nDNSKucsWP9L54M=
-git.frostfs.info/TrueCloudLab/frostfs-sdk-go v0.0.0-20250130095343-593dd77d841a/go.mod h1:aQpPWfG8oyfJ2X+FenPTJpSRWZjwcP5/RAtkW+/VEX8=
 git.frostfs.info/TrueCloudLab/frostfs-observability v0.0.0-20241125133852-37bd75821121 h1:/Z8DfbLZXp7exUQWUKoG/9tbFdI9d5lV1qSReaYoG8I=
 git.frostfs.info/TrueCloudLab/frostfs-observability v0.0.0-20241125133852-37bd75821121/go.mod h1:kbwB4v2o6RyOfCo9kEFeUDZIX3LKhmS0yXPrtvzkQ1g=
+git.frostfs.info/TrueCloudLab/frostfs-qos v0.0.0-20250128150313-cfbca7fa1dfe h1:81gDNdWNLP24oMQukRiCE9R1wGSh0l0dRq3F1W+Oesc=
+git.frostfs.info/TrueCloudLab/frostfs-qos v0.0.0-20250128150313-cfbca7fa1dfe/go.mod h1:PCijYq4oa8vKtIEcUX6jRiszI6XAW+nBwU+T1kB4d1U=
+git.frostfs.info/TrueCloudLab/frostfs-sdk-go v0.0.0-20250130095343-593dd77d841a h1:Ud+3zz4WP9HPxEQxDPJZPpiPdm30nDNSKucsWP9L54M=
+git.frostfs.info/TrueCloudLab/frostfs-sdk-go v0.0.0-20250130095343-593dd77d841a/go.mod h1:aQpPWfG8oyfJ2X+FenPTJpSRWZjwcP5/RAtkW+/VEX8=
 git.frostfs.info/TrueCloudLab/hrw v1.2.1 h1:ccBRK21rFvY5R1WotI6LNoPlizk7qSvdfD8lNIRudVc=
 git.frostfs.info/TrueCloudLab/hrw v1.2.1/go.mod h1:C1Ygde2n843yTZEQ0FP69jYiuaYV0kriLvP4zm8JuvM=
 git.frostfs.info/TrueCloudLab/multinet v0.0.0-20241015075604-6cb0d80e0972 h1:/960fWeyn2AFHwQUwDsWB3sbP6lTEnFnMzLMM6tx6N8=
diff --git a/internal/service/frostfs/frostfs.go b/internal/service/frostfs/frostfs.go
index 4cf45a4..1392fa2 100644
--- a/internal/service/frostfs/frostfs.go
+++ b/internal/service/frostfs/frostfs.go
@@ -10,6 +10,7 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/internal/handler"
 	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/utils"
 	"git.frostfs.info/TrueCloudLab/frostfs-observability/tracing"
+	"git.frostfs.info/TrueCloudLab/frostfs-qos/tagging"
 	apistatus "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client/status"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/netmap"
@@ -67,7 +68,7 @@ func (x *FrostFS) CreateObject(ctx context.Context, prm handler.PrmObjectCreate)
 		prmPut.UseBearer(*prm.BearerToken)
 	}
 
-	idObj, err := x.pool.PutObject(ctx, prmPut)
+	idObj, err := x.pool.PutObject(tagging.ContextWithIOTag(ctx, "client"), prmPut)
 	if err != nil {
 		return oid.ID{}, handleObjectError("save object via connection pool", err)
 	}
@@ -100,7 +101,7 @@ func (x *FrostFS) HeadObject(ctx context.Context, prm handler.PrmObjectHead) (*o
 		prmHead.UseBearer(*prm.BearerToken)
 	}
 
-	res, err := x.pool.HeadObject(ctx, prmHead)
+	res, err := x.pool.HeadObject(tagging.ContextWithIOTag(ctx, "client"), prmHead)
 	if err != nil {
 		return nil, handleObjectError("read object header via connection pool", err)
 	}
@@ -120,7 +121,7 @@ func (x *FrostFS) GetObject(ctx context.Context, prm handler.PrmObjectGet) (*han
 		prmGet.UseBearer(*prm.BearerToken)
 	}
 
-	res, err := x.pool.GetObject(ctx, prmGet)
+	res, err := x.pool.GetObject(tagging.ContextWithIOTag(ctx, "client"), prmGet)
 	if err != nil {
 		return nil, handleObjectError("init full object reading via connection pool", err)
 	}
@@ -145,7 +146,7 @@ func (x *FrostFS) RangeObject(ctx context.Context, prm handler.PrmObjectRange) (
 		prmRange.UseBearer(*prm.BearerToken)
 	}
 
-	res, err := x.pool.ObjectRange(ctx, prmRange)
+	res, err := x.pool.ObjectRange(tagging.ContextWithIOTag(ctx, "client"), prmRange)
 	if err != nil {
 		return nil, handleObjectError("init payload range reading via connection pool", err)
 	}
@@ -166,7 +167,7 @@ func (x *FrostFS) SearchObjects(ctx context.Context, prm handler.PrmObjectSearch
 		prmSearch.UseBearer(*prm.BearerToken)
 	}
 
-	res, err := x.pool.SearchObjects(ctx, prmSearch)
+	res, err := x.pool.SearchObjects(tagging.ContextWithIOTag(ctx, "client"), prmSearch)
 	if err != nil {
 		return nil, handleObjectError("init object search via connection pool", err)
 	}
diff --git a/internal/service/frostfs/tree_pool_wrapper.go b/internal/service/frostfs/tree_pool_wrapper.go
index 410acda..354b7a4 100644
--- a/internal/service/frostfs/tree_pool_wrapper.go
+++ b/internal/service/frostfs/tree_pool_wrapper.go
@@ -10,6 +10,7 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/tokens"
 	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/tree"
 	"git.frostfs.info/TrueCloudLab/frostfs-observability/tracing"
+	"git.frostfs.info/TrueCloudLab/frostfs-qos/tagging"
 	apitree "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/tree"
 	treepool "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/pool/tree"
 )
@@ -61,7 +62,7 @@ func (w *PoolWrapper) GetNodes(ctx context.Context, prm *tree.GetNodesParams) ([
 		BearerToken:   getBearer(ctx),
 	}
 
-	nodes, err := w.p.GetNodes(ctx, poolPrm)
+	nodes, err := w.p.GetNodes(tagging.ContextWithIOTag(ctx, "client"), poolPrm)
 	if err != nil {
 		return nil, handleError(err)
 	}
@@ -120,7 +121,7 @@ func (w *PoolWrapper) GetSubTree(ctx context.Context, bktInfo *data.BucketInfo,
 		poolPrm.RootID = nil
 	}
 
-	subTreeReader, err := w.p.GetSubTree(ctx, poolPrm)
+	subTreeReader, err := w.p.GetSubTree(tagging.ContextWithIOTag(ctx, "client"), poolPrm)
 	if err != nil {
 		return nil, handleError(err)
 	}