diff --git a/cmd/amocli/getter.go b/cmd/amocli/getter.go
index 1477d9f..218aa2a 100644
--- a/cmd/amocli/getter.go
+++ b/cmd/amocli/getter.go
@@ -100,12 +100,14 @@ func RunGetter[V any, G Getter[V]](g G, flags *mtool.Flags) {
 				},
 			)
 			if err != nil {
-				log.Printf("GetLeadsByIDs(...): %s\n", err)
+				log.Printf("thread(%d): %s(...): %s\n",
+					thread, g.GetFuncName(), err)
+				return
 			}
 			valueChan <- values
 			if opts.Verbose {
 				log.Printf(
-					"%d: Got %d %s\n",
+					"thread(%d): Got %d %s\n",
 					thread, len(values),
 					g.GetNameMul(),
 				)
diff --git a/cmd/amocli/main.go b/cmd/amocli/main.go
index 7998eb8..653d819 100644
--- a/cmd/amocli/main.go
+++ b/cmd/amocli/main.go
@@ -1,7 +1,10 @@
 package main
 
 import "surdeus.su/core/cli/mtool"
+import "runtime/debug"
 import "os"
+import "log"
+import "fmt"
 
 func main() {
 	tool.Run(os.Args[1:])
@@ -14,4 +17,12 @@ var tool = mtool.T("amocli").Subs(
 	updateComs,
 
 	getContacts,
+	mtool.T("version").Func(func(flags *mtool.Flags){
+		bi, ok := debug.ReadBuildInfo()
+		if !ok {
+			log.Fatalf("could not read build info\n")
+			return
+		}
+		fmt.Println(bi.Main.Version)
+	}),
 )
diff --git a/cmd/amocli/updatecom.go b/cmd/amocli/updatecom.go
index 11235b6..7cb6772 100644
--- a/cmd/amocli/updatecom.go
+++ b/cmd/amocli/updatecom.go
@@ -1,56 +1,30 @@
 package main
 
 import "surdeus.su/core/amo"
-import "surdeus.su/core/amo/api"
+//import "surdeus.su/core/amo/api"
 import "surdeus.su/core/cli/mtool"
-import "surdeus.su/core/amo/companies"
-import "encoding/json"
-import "log"
-import "os"
+//import "surdeus.su/core/amo/companies"
+//import "encoding/json"
+//import "log"
+//import "os"
 
-const MEPR = api.MaxEntitiesPerRequest
+type CompanyUpdater struct{}
+
+func (u CompanyUpdater) UpdateValues(
+	c *amo.Client, cs []amo.Company,
+) ([]amo.Company, error) {
+	return c.UpdateCompanies(cs)
+}
+
+func (u CompanyUpdater) GetNameMul() string {
+	return "companies"
+}
+
+func (u CompanyUpdater) GetFuncName() string {
+	return "amo.UpdateCompanies"
+}
 
 var updateComs =
 mtool.T("update-companies").Func(func(flags *mtool.Flags){
-	var (
-		opts DefaultFlags
-	)
-	MakeDefaultFlags(&opts, flags)
-	flags.Parse()
-
-	client, err := amo.NewClient(opts.SecretPath)
-	if err != nil {
-		log.Fatalf("NewAmoClient(...): %s\n", err)
-	}
-
-	cs := []companies.Company{}
-	dec := json.NewDecoder(os.Stdin)
-	err = dec.Decode(&cs)
-	if err != nil {
-		log.Fatalf("json.Decode(...): %s\n", err)
-	}
-
-	n := len(cs)/MEPR + 1
-	for i:=0 ; i<n ; i++ {
-		start := i * MEPR
-		end := start + MEPR
-		if end >= len(cs) {
-			end = len(cs)
-		}
-		if len(cs) == 0 {
-			continue
-		}
-		slice := cs[start:end]
-		if opts.Verbose {
-			log.Printf("Updating %d companies...\n", len(slice))
-		}
-		err = client.UpdateCompanies(slice)
-		if err != nil {
-			log.Fatalf(
-				"client.UpdateCompanies(...) len(...) =%d: %s\n",
-				len(slice),
-				err,
-			)
-		}
-	}
+	RunUpdater(CompanyUpdater{}, flags)
 })
diff --git a/cmd/amocli/updater.go b/cmd/amocli/updater.go
new file mode 100644
index 0000000..9698d75
--- /dev/null
+++ b/cmd/amocli/updater.go
@@ -0,0 +1,76 @@
+package main
+
+//import "surdeus.su/core/ss/u"
+import "surdeus.su/core/amo"
+import "surdeus.su/core/cli/mtool"
+import "encoding/json"
+import "os"
+import "log"
+import "time"
+
+type Updater[V, VR any] interface {
+	UpdateValues(*amo.Client, []V) (VR, error)
+	GetNameMul() string
+	GetFuncName() string
+}
+
+func RunUpdater[V, VR any, U Updater[V, VR]](
+	u U, flags *mtool.Flags,
+) {
+	now := time.Now()
+	var (
+		opts DefaultFlags
+	)
+	MakeDefaultFlags(&opts, flags)
+	flags.Parse()
+
+	client, err := amo.NewClient(opts.SecretPath)
+	if err != nil {
+		log.Fatalf("NewAmoClient(...): %s\n", err)
+	}
+
+	values := []V{}
+	dec := json.NewDecoder(os.Stdin)
+	err = dec.Decode(&values)
+	if err != nil {
+		log.Fatalf("json.Decode(...): %s\n", err)
+	}
+
+	finish := RunForSliceInThreads[V](
+		opts.Threads, opts.MEPR,
+		values, func(thread int, s []V){
+			_, err := u.UpdateValues(client, s)
+			if err != nil {
+				log.Printf(
+					"thread(%d): %s(...): %s\n",
+					thread, u.GetFuncName(), err,
+				)
+				return
+			}
+			if opts.Verbose {
+				log.Printf(
+					"thread(%d): Updated %d %s\n",
+					thread, len(s), u.GetNameMul(),
+				)
+			}
+		},
+	)
+	<-finish
+	if opts.Verbose {
+		rm := client.API.RequestsMade()
+		/*log.Printf(
+			"Summarized got %d %s\n",
+			len(finalValues), g.GetNameMul(),
+		)*/
+		log.Printf(
+			"Made %d requests in process\n",
+			rm,
+		)
+		took := time.Since(now).Seconds()
+		log.Printf(
+			"Took %f seconds\n",
+			took,
+		)
+		log.Printf("RPS = %f\n", float64(rm)/took)
+	}
+}
diff --git a/companies.go b/companies.go
index 080068e..fcc85f6 100644
--- a/companies.go
+++ b/companies.go
@@ -73,20 +73,20 @@ func (client *Client) UpdateCompany(
 
 func (client *Client) UpdateCompanies(
 	cs []companies.Company,
-) error {
+) ([]Company, error) {
 	if len(cs) > MEPR {
-		return ErrTooManyEntities
+		return nil, ErrTooManyEntities
 	}
+
 	//ret := []Company{}
 	err := client.API.Patch(
 		"/api/v4/companies",
 		cs,
 		nil,
 	)
-
 	if err != nil {
-		return err
+		return nil, err
 	}
 
-	return nil
+	return nil, nil
 }