diff --git a/benchmark/go/main.go b/benchmark/go/main.go
new file mode 100644
index 0000000..533479b
--- /dev/null
+++ b/benchmark/go/main.go
@@ -0,0 +1,54 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+	"sync"
+
+	"gitea.urkob.com/urko/ess-etl-go/pkg/crono"
+)
+
+func main() {
+	cr := crono.New()
+	defer cr.Table()
+	host := "http://127.0.0.1:45654"
+
+	wg := &sync.WaitGroup{}
+	errChan := make(chan error, 1)
+	wg.Add(1)
+	go func(errChan chan error) {
+		defer wg.Done()
+		for i := 0; i < 1000; i++ {
+			wg.Add(1)
+			go doRequest(wg, host, "975135", errChan)
+		}
+	}(errChan)
+
+	wg.Wait()
+	cr.MarkAndRestart("finish handle all response")
+}
+
+func doRequest(wg *sync.WaitGroup, host, employeeID string, errChan chan error) error {
+	defer wg.Done()
+	url := host + "/employee_wi/" + employeeID
+	client := &http.Client{}
+	req, err := http.NewRequest("GET", url, nil)
+
+	if err != nil {
+		err = fmt.Errorf("http.NewRequest: %s", err)
+		errChan <- err
+		return err
+	}
+	req.Header.Add("Cache-Control", "no-cache")
+	req.Header.Add("Content-Type", "application/json")
+
+	res, err := client.Do(req)
+	if err != nil {
+		err = fmt.Errorf("client.Do: %s", err)
+		errChan <- err
+		return err
+	}
+	defer res.Body.Close()
+
+	return nil
+}
diff --git a/benchmark/nest/main.go b/benchmark/nest/main.go
new file mode 100644
index 0000000..2624f30
--- /dev/null
+++ b/benchmark/nest/main.go
@@ -0,0 +1,97 @@
+package main
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"log"
+	"net/http"
+	"sync"
+
+	"gitea.urkob.com/urko/ess-etl-go/pkg/crono"
+)
+
+func main() {
+	cr := crono.New()
+	defer cr.Table()
+	host := "http://127.0.0.1:3458/graphql"
+
+	wg := &sync.WaitGroup{}
+	errChan := make(chan error, 1)
+	wg.Add(1)
+	go func(errChan chan error) {
+		defer wg.Done()
+		for i := 0; i < 1000; i++ {
+			wg.Add(1)
+			go doRequest(wg, host, 975153, errChan)
+		}
+	}(errChan)
+
+	go func(errChan chan error) {
+		if err := <-errChan; err != nil {
+			log.Fatalln("error process request", err)
+		}
+	}(errChan)
+
+	wg.Wait()
+	cr.MarkAndRestart("finish handle all response")
+}
+
+type GraphqlQuery struct {
+	Query         string      `json:"query"`
+	OperationName string      `json:"operationName"`
+	Variables     interface{} `json:"variables"`
+}
+
+type ByEmployeeNumberQueryVariables struct {
+	EmployeeNumber float64 `json:"employeeNumber"`
+}
+
+func doRequest(wg *sync.WaitGroup, host string, employeeID int, errChan chan error) error {
+	defer wg.Done()
+	var err error
+	query := GraphqlQuery{
+		Query:         `query ByEmployeeNumber($employeeNumber: Float!) { byEmployeeNumber(employeeNumber: $employeeNumber) { EmployeeNumber Date WorkInformation { EmployeeNumber Date Shifts { Start End ActualStart ActualEnd RoleCode ShiftCategoryCode _ReferenceId } DaysOff { DayOff { DayOffTypeCode Note _ReferenceId } } } Baselines { Shifts { DayOff { DayOffTypeCode } } BaselineType DaysOff { DayOff { DayOffTypeCode } } FullDayAbsences { FullDayAbsence { AbsenceTypeCode } } } CustomFields { CustomField { FullDayAbsence { AbsenceTypeCode } } } DataVersion FullDayAbsences { FullDayAbsence { AbsenceTypeCode Note _ReferenceId } } } }`,
+		OperationName: "ByEmployeeNumber",
+		Variables: ByEmployeeNumberQueryVariables{
+			EmployeeNumber: float64(employeeID),
+		},
+	}
+	body, err := json.Marshal(query)
+	if err != nil {
+		err = fmt.Errorf("json.Marshal: %s", err)
+		errChan <- err
+		return err
+	}
+
+	client := &http.Client{}
+	req, err := http.NewRequest("POST", host, bytes.NewReader(body))
+
+	if err != nil {
+		err = fmt.Errorf("http.NewRequest: %s", err)
+		errChan <- err
+		return err
+	}
+	req.Header.Add("Content-Type", "application/json")
+
+	res, err := client.Do(req)
+	if err != nil {
+		err = fmt.Errorf("client.Do: %s", err)
+		errChan <- err
+		return err
+	}
+	defer res.Body.Close()
+
+	//log.Println("readed", string(body))
+
+	// body, err = io.ReadAll(res.Body)
+	// if err != nil {
+	// 	err = fmt.Errorf("ioutil.ReadAll: %s", err)
+	// 	errChan <- err
+	// 	return err
+	// }
+
+	// log.Println("readed", string(body))
+
+	return nil
+}
diff --git a/cmd/server/main.go b/cmd/server/main.go
index b9ad9eb..c1fcefa 100644
--- a/cmd/server/main.go
+++ b/cmd/server/main.go
@@ -43,7 +43,8 @@ func main() {
 
 	restServer := http.
 		NewRestServer(cfg, cr).
-		WithProfessionalHandler(services.NewEmployeeWIService(ctx, professionalRepo))
+		WithEmployeeWIHandler(services.NewEmployeeWIService(ctx, professionalRepo)).
+		WithAMSHander()
 
 	cr.MarkAndRestart("dependencies loaded")
 	log.Println(cfg)
diff --git a/internal/api/http/handler/ams_employee_wi.go b/internal/api/http/handler/ams_employee_wi.go
new file mode 100644
index 0000000..628146e
--- /dev/null
+++ b/internal/api/http/handler/ams_employee_wi.go
@@ -0,0 +1,35 @@
+package handler
+
+import (
+	"fmt"
+
+	"gitea.urkob.com/urko/ess-etl-go/internal/request"
+	"gitea.urkob.com/urko/ess-etl-go/internal/xml_loader"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+type AMSEmployeeWIHandler struct {
+	ewiLoader xml_loader.EmployeeWILoader
+}
+
+func NewAMSEmployeeWIHandler(AmsApi, AmsApiKey string) *AMSEmployeeWIHandler {
+	return &AMSEmployeeWIHandler{
+		ewiLoader: xml_loader.NewEmployeeWILoader(request.NewRequestService(AmsApi, AmsApiKey)),
+	}
+}
+
+func (hdl *AMSEmployeeWIHandler) Get(c *fiber.Ctx) error {
+	id := c.Params("id", "")
+	if id == "" {
+		return JSONError(c, fiber.StatusBadRequest, fmt.Errorf("id is empty"), defaultErrMessage)
+	}
+
+	from, to := "2023-01-16", "2023-01-16"
+	employeeWI, err := hdl.ewiLoader.LoadEmployee(id, from, to)
+	if err != nil {
+		return JSONError(c, fiber.StatusBadRequest, fmt.Errorf("ewiLoader.LoadEmployee: %s", err), defaultErrMessage)
+	}
+
+	return c.Status(fiber.StatusOK).JSON(employeeWI)
+}
diff --git a/internal/api/http/handler/employee_wi.go b/internal/api/http/handler/employee_wi.go
index 574af75..4176481 100644
--- a/internal/api/http/handler/employee_wi.go
+++ b/internal/api/http/handler/employee_wi.go
@@ -9,17 +9,17 @@ import (
 	"github.com/gofiber/fiber/v2"
 )
 
-type EmployeeWorkInformationHandler struct {
+type EmployeeWIHandler struct {
 	employeeWISrv services.EmployeeWIService
 }
 
-func NewEmployeeWorkInformation(employeeWISrv services.EmployeeWIService) *EmployeeWorkInformationHandler {
-	return &EmployeeWorkInformationHandler{
+func NewEmployeeWIHandler(employeeWISrv services.EmployeeWIService) *EmployeeWIHandler {
+	return &EmployeeWIHandler{
 		employeeWISrv: employeeWISrv,
 	}
 }
 
-func (hdl *EmployeeWorkInformationHandler) Get(c *fiber.Ctx) error {
+func (hdl *EmployeeWIHandler) Get(c *fiber.Ctx) error {
 	id := c.Params("id", "")
 	if id == "" {
 		return JSONError(c, fiber.StatusBadRequest, fmt.Errorf("id is empty"), defaultErrMessage)
diff --git a/internal/api/http/server.go b/internal/api/http/server.go
index 9838dc7..d17af86 100644
--- a/internal/api/http/server.go
+++ b/internal/api/http/server.go
@@ -14,10 +14,11 @@ import (
 )
 
 type restServer struct {
-	app           *fiber.App
-	cfg           *config.Config
-	cr            *crono.Crono
-	employeeWIHdl *handler.EmployeeWorkInformationHandler
+	app              *fiber.App
+	cfg              *config.Config
+	cr               *crono.Crono
+	employeeWIHdl    *handler.EmployeeWIHandler
+	amsEmployeeWIHdl *handler.AMSEmployeeWIHandler
 }
 
 func NewRestServer(cfg *config.Config, cr *crono.Crono) *restServer {
@@ -27,8 +28,13 @@ func NewRestServer(cfg *config.Config, cr *crono.Crono) *restServer {
 	}
 }
 
-func (s *restServer) WithProfessionalHandler(employeeWISrv services.EmployeeWIService) *restServer {
-	s.employeeWIHdl = handler.NewEmployeeWorkInformation(employeeWISrv)
+func (s *restServer) WithEmployeeWIHandler(employeeWISrv services.EmployeeWIService) *restServer {
+	s.employeeWIHdl = handler.NewEmployeeWIHandler(employeeWISrv)
+	return s
+}
+
+func (s *restServer) WithAMSHander() *restServer {
+	s.amsEmployeeWIHdl = handler.NewAMSEmployeeWIHandler(s.cfg.AmsApi, s.cfg.AmsApiKey)
 	return s
 }
 func (s *restServer) Start(apiPort, bearerToken string) error {
@@ -45,6 +51,10 @@ func (s *restServer) Start(apiPort, bearerToken string) error {
 		return s.employeeWIHdl.Get(c)
 	})
 
+	s.app.Get("/ams/employee_wi/:id", func(c *fiber.Ctx) error {
+		return s.amsEmployeeWIHdl.Get(c)
+	})
+
 	s.cr.MarkAndRestart("server up")
 	if err := s.app.Listen(":" + apiPort); err != nil {
 		return fmt.Errorf("app.Listen: %s", err)
diff --git a/internal/request/request.go b/internal/request/request.go
index af3e235..d1db0b1 100644
--- a/internal/request/request.go
+++ b/internal/request/request.go
@@ -40,7 +40,6 @@ func getPayload(employeeIDList []string) (string, error) {
 
 func (r RequestService) EmployeeWorkInformation(employeeIDList []string, from, to string) (io.Reader, error) {
 	url := r.api + "/EmployeeWorkInformation/Search/" + from + "/" + to + "/"
-	method := "POST"
 
 	stringPayload, err := getPayload(employeeIDList)
 	if err != nil {
@@ -49,7 +48,7 @@ func (r RequestService) EmployeeWorkInformation(employeeIDList []string, from, t
 
 	payload := strings.NewReader(stringPayload)
 	client := &http.Client{}
-	req, err := http.NewRequest(method, url, payload)
+	req, err := http.NewRequest("POST", url, payload)
 
 	if err != nil {
 		return nil, fmt.Errorf("http.NewRequest: %s", err)