diff --git a/transports/http_admin.go b/transports/http_admin.go
index ecfd0cd..3c9548f 100644
--- a/transports/http_admin.go
+++ b/transports/http_admin.go
@@ -150,9 +150,9 @@ func (h *TransportHTTP) AdminGetPaymailsCount(ctx context.Context, conditions ma
 }
 
 // AdminCreatePaymail create a new paymail for a xpub
-func (h *TransportHTTP) AdminCreatePaymail(ctx context.Context, xPubID string, address string, publicName string, avatar string) (*models.PaymailAddress, ResponseError) {
+func (h *TransportHTTP) AdminCreatePaymail(ctx context.Context, rawXPub string, address string, publicName string, avatar string) (*models.PaymailAddress, ResponseError) {
 	jsonStr, err := json.Marshal(map[string]interface{}{
-		FieldXpubID:     xPubID,
+		FieldXpubKey:    rawXPub,
 		FieldAddress:    address,
 		FieldPublicName: publicName,
 		FieldAvatar:     avatar,
diff --git a/transports/interface.go b/transports/interface.go
index 4add341..dcec8ee 100644
--- a/transports/interface.go
+++ b/transports/interface.go
@@ -62,7 +62,7 @@ type AdminService interface {
 	AdminGetPaymail(ctx context.Context, address string) (*models.PaymailAddress, ResponseError)
 	AdminGetPaymails(ctx context.Context, conditions map[string]interface{}, metadata *models.Metadata, queryParams *QueryParams) ([]*models.PaymailAddress, ResponseError)
 	AdminGetPaymailsCount(ctx context.Context, conditions map[string]interface{}, metadata *models.Metadata) (int64, ResponseError)
-	AdminCreatePaymail(ctx context.Context, xPubID string, address string, publicName string, avatar string) (*models.PaymailAddress, ResponseError)
+	AdminCreatePaymail(ctx context.Context, rawXPub string, address string, publicName string, avatar string) (*models.PaymailAddress, ResponseError)
 	AdminDeletePaymail(ctx context.Context, address string) ResponseError
 	AdminGetTransactions(ctx context.Context, conditions map[string]interface{}, metadata *models.Metadata, queryParams *QueryParams) ([]*models.Transaction, ResponseError)
 	AdminGetTransactionsCount(ctx context.Context, conditions map[string]interface{}, metadata *models.Metadata) (int64, ResponseError)