Llamada para leer porcentajes de iva:

{
"auth": {
"usuario": "desarrollador@colppy.com",
"password": "xxx"
},
"service": {
"provision": "Empresa",
"operacion": "leer_porcentajes_iva"
},
"parameters": {
"sesion": {
"usuario": "soporte@colppy.com",
"claveSesion": "50d7adeb8d477ddd8758f604be6668f5"
},
"idEmpresa": "576",
"country_id": "12"
}
}

Ejemplo de Respuesta:

{
"service": {
"provision": "Empresa",
"operacion": "leer_porcentajes_iva",
"version": "1_0_0_0",
"response_date": "2017-09-21 12:37:04"
},
"result": {
"estado": 0,
"mensaje": "La operaci\u00f3n se realiz\u00f3 correctamente"
},
"response": {
"success": true,
"message": "La operacion se realizo con exito",
"data": [{
"id": "4",
"idElemento": "0",
"Descripcion": "0",
"country_id": "12",
"principal": "0"
}, {
"id": "5",
"idElemento": "1",
"Descripcion": "10.5",
"country_id": "12",
"principal": "0"
}, {
"id": "6",
"idElemento": "2",
"Descripcion": "21",
"country_id": "12",
"principal": "1"
}, {
"id": "7",
"idElemento": "3",
"Descripcion": "27",
"country_id": "12",
"principal": "0"
}, {
"id": "8",
"idElemento": "4",
"Descripcion": "5",
"country_id": "12",
"principal": "0"
}, {
"id": "9",
"idElemento": "5",
"Descripcion": "2.5",
"country_id": "12",
"principal": "0"
}, {
"id": "16",
"idElemento": "6",
"Descripcion": "3",
"country_id": "12",
"principal": "0"
}]
}
}