This workflow follows the Agent → Emailsend recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"name": "1 - Emision y Autorizacion en Tiempo Real",
"nodes": [
{
"parameters": {
"url": "={{ $('Preparar Respuesta Final').item.json.urlRide }}",
"options": {
"response": {
"response": {
"responseFormat": "file",
"outputPropertyName": "rideData"
}
}
}
},
"id": "7f2a18f7-017f-420b-84d7-297eb9d266f3",
"name": "Descargar RIDE (PDF)",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
320,
-496
],
"executeOnce": true,
"onError": "continueRegularOutput"
},
{
"parameters": {
"url": "={{ $('Preparar Respuesta Final').item.json.urlXml }}",
"options": {
"response": {
"response": {
"responseFormat": "file",
"outputPropertyName": "xmlData"
}
}
}
},
"id": "19ac47f6-f468-482f-8fac-fc1998f56762",
"name": "Descargar XML",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
480,
-496
],
"executeOnce": false,
"onError": "continueRegularOutput"
},
{
"parameters": {
"inputDataFieldName": "rideData",
"name": "={{ $json.claveAcceso + '_RIDE.pdf' }}",
"driveId": {
"__rl": true,
"mode": "list",
"value": "My Drive"
},
"folderId": {
"__rl": true,
"value": "1mN1YwRk9Qdgh_V5P0TB3XYh9VGu3xUws",
"mode": "id"
},
"options": {}
},
"id": "8e0e466a-9bed-4320-ba60-c1523713e6b4",
"name": "Respaldar RIDE en Drive",
"type": "n8n-nodes-base.googleDrive",
"typeVersion": 3,
"position": [
560,
-272
],
"credentials": {
"googleDriveOAuth2Api": {
"name": "<your credential>"
}
},
"onError": "continueRegularOutput"
},
{
"parameters": {
"inputDataFieldName": "xmlData",
"name": "={{ $json.claveAcceso + '_XML.xml' }}",
"driveId": {
"__rl": true,
"mode": "list",
"value": "My Drive"
},
"folderId": {
"__rl": true,
"value": "1mN1YwRk9Qdgh_V5P0TB3XYh9VGu3xUws",
"mode": "id"
},
"options": {}
},
"id": "9fe64a78-e8c0-4cb9-bd17-958be6056d92",
"name": "Respaldar XML en Drive",
"type": "n8n-nodes-base.googleDrive",
"typeVersion": 3,
"position": [
720,
-272
],
"credentials": {
"googleDriveOAuth2Api": {
"name": "<your credential>"
}
},
"onError": "continueRegularOutput"
},
{
"parameters": {
"httpMethod": "POST",
"path": "facturar",
"responseMode": "responseNode",
"options": {}
},
"id": "13c11157-49d1-46e4-85ae-21ebd7ea3dd1",
"name": "Webhook Recibir Factura",
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
-1376,
-512
]
},
{
"parameters": {
"jsCode": "const items = $input.all();\n\nconst factura = items[0].json.body ?? items[0].json;\n\n// ============================================================\n// MANEJO DEL LOGO\n// ============================================================\n// Conservamos el Data URL completo:\n// data:image/png;base64,XXXX\n// data:image/jpeg;base64,XXXX\n// data:image/webp;base64,XXXX\n//\n// Esto permite que el server.js detecte correctamente el formato.\n// ============================================================\n\nif (!factura.emisor) {\n factura.emisor = {};\n}\n\nif (factura.emisor.logo) {\n const logoStr = String(factura.emisor.logo).trim();\n\n // NO eliminamos \"data:image/...;base64,\"\n // Se conserva el Data URL completo.\n factura.emisor.logo = logoStr;\n}\n\n// ============================================================\n// FECHA DE EMISI\u00d3N\n// ============================================================\n\nconst fecha = new Date(\n factura.fechaEmision || Date.now()\n);\n\nconst dd = String(\n fecha.getDate()\n).padStart(2, '0');\n\nconst mm = String(\n fecha.getMonth() + 1\n).padStart(2, '0');\n\nconst yyyy = String(\n fecha.getFullYear()\n);\n\nconst fechaEmisionStr =\n `${dd}${mm}${yyyy}`;\n\n// ============================================================\n// DATOS DEL COMPROBANTE\n// ============================================================\n\nconst tipoComprobante = '01';\n\nconst ruc = String(\n factura.emisor.ruc ||\n '1792146739001'\n)\n .padStart(13, '0')\n .slice(0, 13);\n\nconst ambiente = '1';\n\nconst establecimiento = String(\n factura.emisor.establecimiento ||\n '001'\n)\n .padStart(3, '0');\n\nconst puntoEmision = String(\n factura.emisor.puntoEmision ||\n '001'\n)\n .padStart(3, '0');\n\n// ============================================================\n// SECUENCIAL\n// ============================================================\n\nconst staticData =\n $getWorkflowStaticData('global');\n\nstaticData.secuencial =\n (staticData.secuencial || 0) + 1;\n\nconst secuencial = String(\n staticData.secuencial\n).padStart(9, '0');\n\n// ============================================================\n// C\u00d3DIGO NUM\u00c9RICO\n// ============================================================\n\nconst codigoNumerico = String(\n Math.floor(\n Math.random() * 100000000\n )\n).padStart(8, '0');\n\nconst tipoEmision = '1';\n\n// ============================================================\n// GENERAR CLAVE DE ACCESO DE 48 D\u00cdGITOS\n// ============================================================\n\nconst clave48 =\n fechaEmisionStr +\n tipoComprobante +\n ruc +\n ambiente +\n establecimiento +\n puntoEmision +\n secuencial +\n codigoNumerico +\n tipoEmision;\n\n// ============================================================\n// M\u00d3DULO 11\n// ============================================================\n\nfunction calcularDigitoVerificadorModulo11(clave) {\n\n const factores = [\n 2,\n 3,\n 4,\n 5,\n 6,\n 7,\n ];\n\n let factorIndex = 0;\n let suma = 0;\n\n for (\n let i = clave.length - 1;\n i >= 0;\n i--\n ) {\n\n const digito = parseInt(\n clave[i],\n 10\n );\n\n suma +=\n digito *\n factores[factorIndex];\n\n factorIndex =\n (factorIndex + 1) %\n factores.length;\n }\n\n const modulo =\n suma % 11;\n\n let verificador =\n 11 - modulo;\n\n if (verificador === 11) {\n verificador = 0;\n }\n\n if (verificador === 10) {\n verificador = 1;\n }\n\n return String(\n verificador\n );\n}\n\n// ============================================================\n// CLAVE DE ACCESO FINAL\n// ============================================================\n\nconst digitoVerificador =\n calcularDigitoVerificadorModulo11(\n clave48\n );\n\nconst claveAcceso =\n clave48 +\n digitoVerificador;\n\n// ============================================================\n// VALIDAR LONGITUD\n// ============================================================\n\nif (\n claveAcceso.length !== 49\n) {\n throw new Error(\n `La clave de acceso generada no tiene 49 digitos: ${claveAcceso.length}`\n );\n}\n\n// ============================================================\n// SALIDA\n// ============================================================\n\nreturn [\n {\n json: {\n claveAcceso,\n secuencial,\n factura,\n },\n },\n];"
},
"id": "1a761dc1-0f79-4e69-bcca-daff604ec2fe",
"name": "Generar Clave de Acceso",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
-1200,
-512
]
},
{
"parameters": {
"method": "POST",
"url": "http://localhost:4000/api/sri/recepcion",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ { \"claveAcceso\": $json.claveAcceso, \"factura\": $json.factura } }}",
"options": {}
},
"id": "6aa37cfa-bd80-4059-906a-7489a3d36943",
"name": "SRI Recepcion",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
-1024,
-512
]
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 1
},
"conditions": [
{
"id": "cond-recepcion-ok",
"leftValue": "={{ $json.estado }}",
"rightValue": "RECIBIDA",
"operator": {
"type": "string",
"operation": "notEmpty",
"singleValue": true
}
}
],
"combinator": "and"
},
"options": {}
},
"id": "ec94f359-2a3c-4f57-8eb7-5df0f9e8cb4b",
"name": "Recepcion OK?",
"type": "n8n-nodes-base.if",
"typeVersion": 2,
"position": [
-864,
-496
]
},
{
"parameters": {
"method": "POST",
"url": "http://localhost:4000/api/sri/autorizacion",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ { \"claveAcceso\": $('Generar Clave de Acceso').item.json.claveAcceso } }}",
"options": {}
},
"id": "234d87f7-63f6-4aa8-bcb8-47d4fbac7044",
"name": "SRI Autorizacion",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
-672,
-512
]
},
{
"parameters": {
"method": "POST",
"url": "http://localhost:4000/api/sri/generar-xml",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ { \"claveAcceso\": $('Generar Clave de Acceso').item.json.claveAcceso, \"factura\": $('Generar Clave de Acceso').item.json.factura } }}",
"options": {}
},
"id": "243fa2bf-94cb-4fbb-bcca-16878801ee18",
"name": "SRI Generar XML",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
-512,
-512
]
},
{
"parameters": {
"method": "POST",
"url": "http://localhost:4000/api/sri/generar-ride",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ {\n \"claveAcceso\": $('Generar Clave de Acceso').item.json.claveAcceso,\n \"factura\": $('Generar Clave de Acceso').item.json.factura\n} }}",
"options": {}
},
"id": "86580e13-82c3-4517-84d2-1567eb990701",
"name": "SRI Generar RIDE",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
-352,
-512
]
},
{
"parameters": {
"jsCode": "// Captura segura de datos previos usando .first()\nconst clave = $('Generar Clave de Acceso').first()?.json?.claveAcceso || '';\nconst factura = $('Generar Clave de Acceso').first()?.json?.factura || $('Webhook Recibir Factura').first()?.json?.body || {};\nconst autorizacion = $('SRI Autorizacion').first()?.json || {};\nconst xml = $('SRI Generar XML').first()?.json || {};\nconst ride = $('SRI Generar RIDE').first()?.json || {};\n\n// Capturamos la IA de forma ultra-segura desde el nodo AI Agent\nlet categoriaIa = 'General';\nlet asuntoEmail = '';\nlet cuerpoEmail = '';\n\ntry {\n const aiItem = $('AI Agent').first()?.json;\n if (aiItem && aiItem.output) {\n const aiOutput = aiItem.output;\n const aiData = typeof aiOutput === 'string' ? JSON.parse(aiOutput) : aiOutput;\n \n categoriaIa = aiData.categoria || 'General';\n asuntoEmail = aiData.asunto_email || '';\n cuerpoEmail = aiData.cuerpo_email || '';\n }\n} catch (e) {\n console.log(\"No se pudo parsear el resultado del AI Agent, usando valores por defecto.\");\n}\n\nreturn [\n {\n json: {\n ok: true,\n claveAcceso: clave,\n factura: factura,\n numeroAutorizacion: autorizacion.numeroAutorizacion || clave,\n fechaAutorizacion: autorizacion.fechaAutorizacion || new Date().toISOString(),\n urlRide: ride.urlRide || '',\n urlXml: xml.urlXml || '',\n // Enviamos la categor\u00eda en todas sus posibles variantes de nombre:\n categoria: categoriaIa,\n categoriaIa: categoriaIa,\n categoria_ia: categoriaIa,\n asunto: asuntoEmail || 'Factura Electr\u00f3nica Emitida',\n mensaje: cuerpoEmail || 'Comprobante autorizado correctamente.',\n },\n },\n];"
},
"id": "fcae8117-460b-4322-b808-d5c3f94a4793",
"name": "Preparar Respuesta Final",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
128,
-624
]
},
{
"parameters": {
"respondWith": "json",
"responseBody": "={{ $('Preparar Respuesta Final').item.json }}",
"options": {}
},
"id": "a30ec880-7772-421c-9a56-67f550455ea4",
"name": "Responder al Cliente",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
304,
-704
]
},
{
"parameters": {
"respondWith": "json",
"responseBody": "={{ { \"ok\": false, \"mensaje\": \"El SRI simulado rechazo el comprobante. Intenta nuevamente.\" } }}",
"options": {
"responseCode": 502
}
},
"id": "e3fe27a2-01de-4a9a-92df-f19ed0b66e41",
"name": "Responder Error",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
-720,
-336
]
},
{
"parameters": {
"fromEmail": "kam.santana@yavirac.edu.ec",
"toEmail": "={{ $('Preparar Respuesta Final').first().json.factura.cliente.correo }}",
"subject": "={{ 'Tu factura electr\u00f3nica - Clave de acceso ' + $('Preparar Respuesta Final').item.json.claveAcceso }}",
"html": "={{ $('Preparar Respuesta Final').first().json.mensaje }}",
"options": {
"attachments": "rideData, xmlData"
}
},
"type": "n8n-nodes-base.emailSend",
"typeVersion": 2.1,
"position": [
656,
-496
],
"id": "bce40f6a-f669-454a-812b-d46927628031",
"name": "Send an Email",
"executeOnce": true,
"credentials": {
"smtp": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"promptType": "define",
"text": "=Procesa la compra del cliente {{ $('Webhook Recibir Factura').first().json.body.cliente.nombre }} en \"PROVEEDOR FERRETERO PROFERRET S.A.S.\".\n\n\u00cdtems comprados:\n{{ JSON.stringify($('Webhook Recibir Factura').first().json.body.items) }}\n\nDetermina la categor\u00eda (Herramientas, Servicios, Insumos o General) y genera el JSON de salida con el mensaje para el correo.",
"options": {
"systemMessage": "Eres el asistente virtual de Inteligencia Artificial de \"PROVEEDOR FERRETERO PROFERRET S.A.S.\". Tu trabajo es analizar los \u00edtems de una factura y generar un JSON con la categor\u00eda de la compra y un mensaje amigable para el correo del cliente.\n\nREGLA OBLIGATORIA: Responde \u00daNICAMENTE un JSON v\u00e1lido sin bloques de c\u00f3digo Markdown (no incluyas ```json ni comillas alrededor del bloque).\n\nEstructura requerida:\n{\n \"asunto_email\": \"\u00a1Gracias por tu compra en PROFERRET S.A.S.!\",\n \"cuerpo_email\": \"Estimado/a cliente, adjunto a este correo encontrar\u00e1 su comprobante electr\u00f3nico autorizado por el SRI. \u00a1Agradecemos su preferencia!\",\n \"categoria\": \"<CATEGORIA>\"\n}\n\nReglas estrictas para <CATEGORIA>:\n- \"Insumos\": Pinturas, brochas, lijas, clavos, tornillos, tubos, cables, cemento, pegamentos o consumibles.\n- \"Herramientas\": Taladros, martillos, alicates, sierras, llaves, herramientas manuales o el\u00e9ctricas.\n- \"Servicios\": Mano de obra, fletes, alquileres, instalaciones.\n- \"General\": Solo si no encaja en las anteriores."
}
},
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 3.1,
"position": [
-192,
-512
],
"id": "9682437f-8ff7-4752-8055-9a9a1f6e30c7",
"name": "AI Agent"
},
{
"parameters": {
"model": "llama-3.1-8b-instant",
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.lmChatGroq",
"typeVersion": 1,
"position": [
-192,
-272
],
"id": "7ac9ea7b-8027-49b7-b3e4-0b119485484e",
"name": "Groq Chat Model",
"credentials": {
"groqApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"method": "POST",
"url": "http://localhost:4000/api/sri/actualizar-ia",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={\n \"claveAcceso\": \"{{ $('SRI Autorizacion').first().json.claveAcceso || $('Generar Clave de Acceso').first().json.claveAcceso }}\",\n \"categoriaIa\": \"{{ (() => { const raw = $json.output || $json.text || ''; if (raw.includes('Herramientas')) return 'Herramientas'; if (raw.includes('Servicios')) return 'Servicios'; if (raw.includes('Insumos')) return 'Insumos'; return 'General'; })() }}\",\n \"estadoIa\": \"OK\",\n \"iaOutput\": \"Clasificado exitosamente por el Agente IA Groq\"\n}",
"options": {}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.4,
"position": [
128,
-384
],
"id": "ac80de2e-ca03-43c3-94b6-285d0d9212eb",
"name": "HTTP Request"
}
],
"connections": {
"Descargar RIDE (PDF)": {
"main": [
[
{
"node": "Descargar XML",
"type": "main",
"index": 0
}
]
]
},
"Descargar XML": {
"main": [
[
{
"node": "Send an Email",
"type": "main",
"index": 0
},
{
"node": "Respaldar RIDE en Drive",
"type": "main",
"index": 0
}
]
]
},
"Respaldar RIDE en Drive": {
"main": [
[
{
"node": "Respaldar XML en Drive",
"type": "main",
"index": 0
}
]
]
},
"Webhook Recibir Factura": {
"main": [
[
{
"node": "Generar Clave de Acceso",
"type": "main",
"index": 0
}
]
]
},
"Generar Clave de Acceso": {
"main": [
[
{
"node": "SRI Recepcion",
"type": "main",
"index": 0
}
]
]
},
"SRI Recepcion": {
"main": [
[
{
"node": "Recepcion OK?",
"type": "main",
"index": 0
}
]
]
},
"Recepcion OK?": {
"main": [
[
{
"node": "SRI Autorizacion",
"type": "main",
"index": 0
}
],
[
{
"node": "Responder Error",
"type": "main",
"index": 0
}
]
]
},
"SRI Autorizacion": {
"main": [
[
{
"node": "SRI Generar XML",
"type": "main",
"index": 0
}
]
]
},
"SRI Generar XML": {
"main": [
[
{
"node": "SRI Generar RIDE",
"type": "main",
"index": 0
}
]
]
},
"SRI Generar RIDE": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"Preparar Respuesta Final": {
"main": [
[
{
"node": "Responder al Cliente",
"type": "main",
"index": 0
},
{
"node": "Descargar RIDE (PDF)",
"type": "main",
"index": 0
}
]
]
},
"Respaldar XML en Drive": {
"main": [
[]
]
},
"AI Agent": {
"main": [
[
{
"node": "Preparar Respuesta Final",
"type": "main",
"index": 0
},
{
"node": "HTTP Request",
"type": "main",
"index": 0
}
]
]
},
"Groq Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Send an Email": {
"main": [
[]
]
}
},
"active": true,
"settings": {
"executionOrder": "v1",
"binaryMode": "separate"
},
"versionId": "a8c1ea88-7705-44a4-b14f-411bc285d3d4",
"meta": {
"templateCredsSetupCompleted": true
},
"id": "IONb602IFhwXa2W0",
"tags": []
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
googleDriveOAuth2ApigroqApismtp
Pro
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About this workflow
1 - Emision y Autorizacion en Tiempo Real. Uses httpRequest, googleDrive, emailSend, agent. Webhook trigger; 18 nodes.
Source: https://github.com/kamsantana/PROYECTO-FACTURACION-N8N/blob/main/n8n-workflow/workflow-1-emision-y-autorizacion.json — original creator credit. Request a take-down →
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