diff --git a/README.md b/README.md
index 1eb0524..80f0805 100644
--- a/README.md
+++ b/README.md
@@ -30,13 +30,26 @@ Para consumir la api de forma exterior que valida y/o consulta cedula o ruc.
 npm i cors --save 
 ```
 
-### Modulo control de origenes
+## Documentación
+### Swagger
+aun no implementada.
+
+### configuracion
+rquisitos previos para desplegar revisar el archivo de configuracion: Proyecto/src/config.js
+ouerto configurado previamente es 3001 puesde cambiarlo en config.js
+http://localhost:3001/
+
+### Postman
+`APP-SIGMA` también pone a disposición de los usuarios una colección de llamadas y ejemplos que se encuentra en la ruta **/src/data/.postman_collection.json**.
+
+
+### Uso de Icono y funetes.
 los iconos se usado son de font awesome
 buscar iconos
 (https://fontawesome.com/search)
 
 
 ## Autores
-| .[![](https://avatars.githubusercontent.com/u/27124364?s=96&v=4)]([https://github.com/telcotronics](https://github.com/telcotronics)).
+| [![](https://avatars.githubusercontent.com/u/27124364?s=96&v=4)]([https://github.com/telcotronics](https://github.com/telcotronics))
 |-|
-| .[@Telcotronics](https://github.com/telcotronics). |
\ No newline at end of file
+| [@Telcotronics](https://github.com/telcotronics) |
\ No newline at end of file
diff --git a/src/data/APP_SIGMA_NODE.postman_collection.json b/src/data/APP_SIGMA_NODE.postman_collection.json
new file mode 100644
index 0000000..f29067c
--- /dev/null
+++ b/src/data/APP_SIGMA_NODE.postman_collection.json
@@ -0,0 +1,153 @@
+{
+	"info": {
+		"_postman_id": "1710a3ae-fba9-4526-8084-a066897ddadd",
+		"name": "APP_SIGMA_NODE",
+		"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json",
+		"_exporter_id": "11858928"
+	},
+	"item": [
+		{
+			"name": "APP_SIGMA",
+			"request": {
+				"method": "GET",
+				"header": [],
+				"url": {
+					"raw": ""
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "actualiza image item",
+			"protocolProfileBehavior": {
+				"disableBodyPruning": true
+			},
+			"request": {
+				"method": "GET",
+				"header": [],
+				"body": {
+					"mode": "raw",
+					"raw": "",
+					"options": {
+						"raw": {
+							"language": "json"
+						}
+					}
+				},
+				"url": {
+					"raw": "http://localhost:4000/actualizaImgItem?json_img=TEH00419A1",
+					"protocol": "http",
+					"host": [
+						"localhost"
+					],
+					"port": "4000",
+					"path": [
+						"actualizaImgItem"
+					],
+					"query": [
+						{
+							"key": "json_img",
+							"value": "TEH00419A1"
+						}
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "consulta precios",
+			"request": {
+				"method": "GET",
+				"header": [],
+				"url": {
+					"raw": "http://localhost:8080/consultaItemsPrecios?consulta=cama&gp_precio=VENTAS_WEB",
+					"protocol": "http",
+					"host": [
+						"localhost"
+					],
+					"port": "8080",
+					"path": [
+						"consultaItemsPrecios"
+					],
+					"query": [
+						{
+							"key": "consulta",
+							"value": "cama"
+						},
+						{
+							"key": "gp_precio",
+							"value": "VENTAS_WEB"
+						}
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "consulta grupo de precios",
+			"request": {
+				"method": "GET",
+				"header": [],
+				"url": {
+					"raw": "http://192.168.10.100:8080/gp_precios",
+					"protocol": "http",
+					"host": [
+						"192",
+						"168",
+						"10",
+						"100"
+					],
+					"port": "8080",
+					"path": [
+						"gp_precios"
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "buscar cliente SRI",
+			"request": {
+				"method": "GET",
+				"header": [],
+				"url": {
+					"raw": "localhost:3001/busquedaSRI?ruc=1722237896001",
+					"host": [
+						"localhost"
+					],
+					"port": "3001",
+					"path": [
+						"busquedaSRI"
+					],
+					"query": [
+						{
+							"key": "ruc",
+							"value": "1722237896001"
+						}
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "buscar cliente en sri-online",
+			"request": {
+				"method": "GET",
+				"header": [],
+				"url": {
+					"raw": "https://sri-en-linea.com/ruc/1722237896001",
+					"protocol": "https",
+					"host": [
+						"sri-en-linea",
+						"com"
+					],
+					"path": [
+						"ruc",
+						"1722237896001"
+					]
+				}
+			},
+			"response": []
+		}
+	]
+}
\ No newline at end of file