diff --git a/service/build.bat b/service/build.bat
index 77a47623..7d1e7420 100644
--- a/service/build.bat
+++ b/service/build.bat
@@ -14,7 +14,7 @@ REM See the License for the specific language governing permissions and
 REM limitations under the License.
 REM
 SET REPO_URL=https://github.com/openziti/ziti-tunnel-sdk-c.git
-SET ZITI_TUNNEL_REPO_BRANCH=v0.15.21
+SET ZITI_TUNNEL_REPO_BRANCH=v0.15.22
 REM override the c sdk used in the build - leave blank for the same as specified in the tunneler sdk
 SET ZITI_SDK_C_BRANCH=
 REM the number of TCP connections the tunneler sdk can have at any one time
diff --git a/service/cziti/sdk.go b/service/cziti/sdk.go
index 6c867cc0..f526da9e 100644
--- a/service/cziti/sdk.go
+++ b/service/cziti/sdk.go
@@ -798,7 +798,7 @@ func zitiError(code C.int) error {
 	return nil
 }
 
-func LoadZiti(zid *ZIdentity, cfg string, refreshInterval int) {
+func LoadZiti(zid *ZIdentity, cfg string, refreshInterval int, apiPageSize int) {
 	zid.Options.config = C.CString(cfg)
 	zid.Options.refresh_interval = C.long(refreshInterval)
 	zid.Options.metrics_type = C.INSTANT
@@ -807,7 +807,7 @@ func LoadZiti(zid *ZIdentity, cfg string, refreshInterval int) {
 	zid.Options.pq_mac_cb = C.ziti_pq_mac_cb(C.ziti_pq_mac_go)
 	zid.Options.pq_os_cb = C.ziti_pq_os_cb(C.ziti_pq_os_go)
 	zid.Options.pq_process_cb = C.ziti_pq_process_cb(C.ziti_pq_process_go)
-
+	zid.Options.api_page_size = C.uint32_t(apiPageSize)
 	zid.Options.events = C.ZitiContextEvent | C.ZitiServiceEvent | C.ZitiRouterEvent | C.ZitiMfaAuthEvent
 	zid.Options.event_cb = C.ziti_event_cb(C.eventCB)
 
diff --git a/service/ziti-tunnel/constants/consts.go b/service/ziti-tunnel/constants/consts.go
index 6571b0aa..0720d33c 100644
--- a/service/ziti-tunnel/constants/consts.go
+++ b/service/ziti-tunnel/constants/consts.go
@@ -28,4 +28,6 @@ const (
 	MfaAllSvcTimeout  = 0
 	MfaFewSvcTimeout  = 1
 	MfaNearingTimeout = 2
+
+	DefaultApiPageSize = 250
 )
diff --git a/service/ziti-tunnel/dto/dtos.go b/service/ziti-tunnel/dto/dtos.go
index 8e0dbbff..3eb17e2a 100644
--- a/service/ziti-tunnel/dto/dtos.go
+++ b/service/ziti-tunnel/dto/dtos.go
@@ -90,8 +90,7 @@ type Identity struct {
 	MfaMaxTimeoutRem   int32
 	MfaLastUpdatedTime time.Time
 	ServiceUpdatedTime time.Time
-	Notified		   bool
-
+	Notified           bool
 }
 type Metrics struct {
 	Up   int64
@@ -134,6 +133,7 @@ type TunnelStatus struct {
 	Status                string
 	AddDns                bool
 	NotificationFrequency int
+	ApiPageSize           int
 }
 
 type ServiceVersion struct {
@@ -203,5 +203,5 @@ type MfaResponse struct {
 
 type ControllerEvent struct {
 	ActionEvent
-	Fingerprint 		string
+	Fingerprint string
 }
diff --git a/service/ziti-tunnel/service/ipc.go b/service/ziti-tunnel/service/ipc.go
index ac18a028..0a4d4460 100644
--- a/service/ziti-tunnel/service/ipc.go
+++ b/service/ziti-tunnel/service/ipc.go
@@ -78,9 +78,12 @@ func SubMain(ops chan string, changes chan<- svc.Status, winEvents <-chan Window
 
 	rts.state.LogLevel = parsedLevel.String()
 	logging.InitLogger(parsedLevel)
-
 	_ = logging.Elog.Info(InformationEvent, SvcName+" starting. log file located at "+config.LogFile())
 
+	if rts.state.ApiPageSize < 25 { //don't allow values less than 25
+		rts.state.ApiPageSize = constants.DefaultApiPageSize
+	}
+
 	// create a channel for notifying any connections that they are to be interrupted
 	interrupt = make(chan struct{}, 8)
 
@@ -1147,7 +1150,7 @@ func handleBulkServiceChange(sc cziti.BulkServiceChange) {
 	if id != nil {
 		var m = dto.IdentityEvent{
 			ActionEvent: dto.IdentityUpdateComplete,
-			Id: Clean(id),
+			Id:          Clean(id),
 		}
 		rts.BroadcastEvent(m)
 	}
@@ -1443,4 +1446,3 @@ func updateNotificationFrequency(out *json.Encoder, notificationFreq int) {
 	respond(out, dto.Response{Message: "Notification frequency is set", Code: SUCCESS, Error: "", Payload: ""})
 
 }
-
diff --git a/service/ziti-tunnel/service/state.go b/service/ziti-tunnel/service/state.go
index 720be953..9a117c18 100644
--- a/service/ziti-tunnel/service/state.go
+++ b/service/ziti-tunnel/service/state.go
@@ -130,6 +130,7 @@ func (t *RuntimeState) ToStatus(onlyInitialized bool) dto.TunnelStatus {
 		TunIpv4Mask:           t.state.TunIpv4Mask,
 		AddDns:                t.state.AddDns,
 		NotificationFrequency: t.state.NotificationFrequency,
+		ApiPageSize:           t.state.ApiPageSize,
 	}
 
 	i := 0
@@ -305,7 +306,8 @@ func (t *RuntimeState) LoadIdentity(id *Id, refreshInterval int) {
 
 	id.CId = cziti.NewZid(sc)
 	id.CId.Active = id.Active
-	cziti.LoadZiti(id.CId, id.Path(), refreshInterval)
+	log.Debugf("Default API PAGE SIZE set to: %d", rts.state.ApiPageSize)
+	cziti.LoadZiti(id.CId, id.Path(), refreshInterval, rts.state.ApiPageSize)
 }
 
 func (t *RuntimeState) LoadConfig() {
diff --git a/version b/version
index 2ee4474a..1f294393 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-1.10.10
+1.10.10.1