diff --git a/api/dataapi/lib.go b/api/dataapi/lib.go
index 415319f..ab5815b 100644
--- a/api/dataapi/lib.go
+++ b/api/dataapi/lib.go
@@ -37,8 +37,9 @@ func (c *Cli) Do(request *DataAPIRequest) (response *DataAPIResponse, err error)
 	return
 }
 
-func NewCli() *Cli {
+func NewCli(apikey string) *Cli {
 	ret := &Cli{Httpcli: httpcli.NewCli()}
+	ret.Httpcli.AddHeader("X-API-KEY", apikey)
 	ret.Httpcli.SetBasePath("https://dataapi.digitalcircle.com.br")
 	return ret
 }
diff --git a/api/dataapi/lib_test.go b/api/dataapi/lib_test.go
index 0276226..a4b0dab 100644
--- a/api/dataapi/lib_test.go
+++ b/api/dataapi/lib_test.go
@@ -7,8 +7,7 @@ import (
 )
 
 func TestAPIRetrieve(t *testing.T) {
-	c := dataapi.NewCli()
-	c.Httpcli.AddHeader("X-API-KEY", "RnJpIDA1IE5vdiAyMDIxIDExOjE1OjIyIEFNIFVUQwo")
+	c := dataapi.NewCli("RnJpIDA1IE5vdiAyMDIxIDExOjE1OjIyIEFNIFVUQwo")
 	res, err := c.Do(&dataapi.DataAPIRequest{
 		Col: "C1",
 		Op:  dataapi.RETRIEVE,
@@ -21,8 +20,7 @@ func TestAPIRetrieve(t *testing.T) {
 }
 
 func TestAPIRetrieveWQuery(t *testing.T) {
-	c := dataapi.NewCli()
-	c.Httpcli.AddHeader("X-API-KEY", "RnJpIDA1IE5vdiAyMDIxIDExOjE1OjIyIEFNIFVUQwo")
+	c := dataapi.NewCli("RnJpIDA1IE5vdiAyMDIxIDExOjE1OjIyIEFNIFVUQwo")
 	res, err := c.Do(&dataapi.DataAPIRequest{
 		Col: "C1",
 		Op:  dataapi.RETRIEVE,
@@ -36,8 +34,7 @@ func TestAPIRetrieveWQuery(t *testing.T) {
 }
 
 func TestAPIUpdate(t *testing.T) {
-	c := dataapi.NewCli()
-	c.Httpcli.AddHeader("X-API-KEY", "RnJpIDA1IE5vdiAyMDIxIDExOjE1OjIyIEFNIFVUQwo")
+	c := dataapi.NewCli("RnJpIDA1IE5vdiAyMDIxIDExOjE1OjIyIEFNIFVUQwo")
 	res, err := c.Do(&dataapi.DataAPIRequest{
 		Col: "C1",
 		Op:  dataapi.UPDATE,
@@ -54,8 +51,7 @@ func TestAPIUpdate(t *testing.T) {
 }
 
 func TestAPIDelete(t *testing.T) {
-	c := dataapi.NewCli()
-	c.Httpcli.AddHeader("X-API-KEY", "RnJpIDA1IE5vdiAyMDIxIDExOjE1OjIyIEFNIFVUQwo")
+	c := dataapi.NewCli("RnJpIDA1IE5vdiAyMDIxIDExOjE1OjIyIEFNIFVUQwo")
 	res, err := c.Do(&dataapi.DataAPIRequest{
 		Col: "C1",
 		Op:  dataapi.DELETE,
@@ -69,8 +65,7 @@ func TestAPIDelete(t *testing.T) {
 }
 
 func TestAPICreate(t *testing.T) {
-	c := dataapi.NewCli()
-	c.Httpcli.AddHeader("X-API-KEY", "RnJpIDA1IE5vdiAyMDIxIDExOjE1OjIyIEFNIFVUQwo")
+	c := dataapi.NewCli("RnJpIDA1IE5vdiAyMDIxIDExOjE1OjIyIEFNIFVUQwo")
 
 	res, err := c.Do(&dataapi.DataAPIRequest{
 		Col: "C1",