{ "id": "L3sf2JxKORGLf0Ou", "name": "Multi-Language Support Router", "tags": [], "nodes": [ { "id": "89296639-2480-4713-acf6-3e91b2794bc9", "name": "Extract & Validate Form Data", "type": "n8n-nodes-base.code", "position": [ 432, 3568 ], "parameters": { "jsCode": "const formData = items[0].json;\nconst emailRegex = /^[^\\s@]+@[^\\s@]+\\.[^\\s@]+$/;\n\n// Extract language code from dropdown selection (e.g., \"Spanish (ES)\" -> \"ES\")\nconst languageSelection = formData['Language'] || 'Spanish (ES)';\nconst langCodeMatch = languageSelection.match(/\\(([A-Z]{2})\\)/);\nconst langCode = langCodeMatch ? langCodeMatch[1] : 'ES';\n\nconst email = formData['Your Email'] || '';\nconst message = (formData['Your Question'] || '').trim();\n\nconst isValidEmail = emailRegex.test(email);\nconst hasMessage = message.length > 5;\n\nlet errorReason = null;\nif (!isValidEmail) errorReason = 'invalid_email';\nelse if (!hasMessage) errorReason = 'empty_message';\n\nreturn {\n customerEmail: email,\n customerMessage: message,\n customerLanguage: langCode,\n isValid: !errorReason,\n errorReason: errorReason,\n timestamp: new Date().toISOString()\n};" }, "typeVersion": 2 }, { "id": "4c533fb2-ec1a-4192-a156-667fcc4a91c4", "name": "Is Data Valid?", "type": "n8n-nodes-base.filter", "position": [ 656, 3568 ], "parameters": { "options": {}, "conditions": { "options": { "version": 1, "leftValue": "", "caseSensitive": true, "typeValidation": "strict" }, "combinator": "and", "conditions": [ { "operator": { "type": "boolean", "operation": "equals" }, "leftValue": "={{ $json.isValid }}", "rightValue": true } ] } }, "typeVersion": 2 }, { "id": "409548a9-a310-4b52-a0e7-acef6ad65dec", "name": "Response: Validation Error", "type": "n8n-nodes-base.respondToWebhook", "position": [ 816, 3840 ], "parameters": { "options": {}, "respondWith": "json", "responseBody": "={{ JSON.stringify({\n status: 'error',\n reason: $json.errorReason,\n message: $json.errorReason === 'invalid_email' ? 'Invalid email format. Must contain @ and domain.' : 'Message must be at least 5 characters long.'\n}) }}" }, "typeVersion": 1.1 }, { "id": "c725a570-074b-402b-8a4e-5ff330bed86c", "name": "DeepL: Customer \u2192 English", "type": "n8n-nodes-base.deepL", "position": [ 880, 3568 ], "parameters": { "text": "={{ $json.customerMessage }}", "additionalFields": {} }, "typeVersion": 1 }, { "id": "34d323b4-0283-479b-9442-9d927794e571", "name": "Translation Success?", "type": "n8n-nodes-base.filter", "position": [ 1104, 3568 ], "parameters": { "options": {}, "conditions": { "options": { "version": 1, "leftValue": "", "caseSensitive": true, "typeValidation": "strict" }, "combinator": "and", "conditions": [ { "operator": { "type": "string", "operation": "notEmpty" }, "leftValue": "={{ $json.text }}" } ] } }, "typeVersion": 2 }, { "id": "e5fd1809-f310-4ef7-b357-4c68e037e028", "name": "Response: Translation Error", "type": "n8n-nodes-base.respondToWebhook", "position": [ 1328, 3840 ], "parameters": { "options": {}, "respondWith": "json", "responseBody": "={\n \"status\": \"error\",\n \"reason\": \"translation_to_english_failed\",\n \"message\": \"DeepL API is temporarily unavailable or rate-limited. Please try again in 60 seconds.\",\n \"retryAfter\": 60\n}" }, "typeVersion": 1.1 }, { "id": "311ddf29-897d-48cb-9ed8-2fe1a746685d", "name": "OpenAI: Generate Response", "type": "@n8n/n8n-nodes-langchain.openAi", "position": [ 1328, 3568 ], "parameters": { "modelId": { "__rl": true, "mode": "list", "value": "" }, "options": {}, "messages": { "values": [ { "content": "=You are a professional customer support agent. A customer has sent this message: \n\n \"{{ $json.text }}\"\n\n Generate a helpful, empathetic response in 2-3 paragraphs. Be professional but warm. Provide actionable next steps when possible. Do not make promises you cannot verify." } ] } }, "credentials": { "openAiApi": { "name": "" } }, "typeVersion": 1.5 }, { "id": "8143074a-159d-405a-a9f5-39d78de1a742", "name": "AI Response Valid?", "type": "n8n-nodes-base.filter", "position": [ 1680, 3568 ], "parameters": { "options": {}, "conditions": { "options": { "version": 1, "leftValue": "", "caseSensitive": true, "typeValidation": "strict" }, "combinator": "and", "conditions": [ { "operator": { "type": "string", "operation": "notEmpty" }, "leftValue": "={{ $json.response }}" } ] } }, "typeVersion": 2 }, { "id": "2f4a9155-050c-4562-9f9b-023e53d67784", "name": "Response: AI Generation Error", "type": "n8n-nodes-base.respondToWebhook", "position": [ 1872, 3840 ], "parameters": { "options": {}, "respondWith": "json", "responseBody": "={\n \"status\": \"error\",\n \"reason\": \"ai_generation_failed\",\n \"message\": \"OpenAI failed to generate a response. This is rare. Please try again.\",\n \"retryAfter\": 30\n}" }, "typeVersion": 1.1 }, { "id": "4c63f936-a2f5-4264-9bdf-058255310bdf", "name": "DeepL: English \u2192 Customer", "type": "n8n-nodes-base.deepL", "position": [ 1904, 3568 ], "parameters": { "text": "={{ $json.response }}", "translateTo": "target", "additionalFields": {} }, "typeVersion": 1 }, { "id": "ecc1c68d-89ae-4513-be4f-efbef243a060", "name": "Back-Translation Success?", "type": "n8n-nodes-base.filter", "position": [ 2128, 3568 ], "parameters": { "options": {}, "conditions": { "options": { "version": 1, "leftValue": "", "caseSensitive": true, "typeValidation": "strict" }, "combinator": "and", "conditions": [ { "operator": { "type": "string", "operation": "notEmpty" }, "leftValue": "={{ $json.text }}" } ] } }, "typeVersion": 2 }, { "id": "1ffbc73b-bdad-4a1f-a9a7-59d00c919db7", "name": "Response: Back-Translation Error", "type": "n8n-nodes-base.respondToWebhook", "position": [ 2320, 3840 ], "parameters": { "options": {}, "respondWith": "json", "responseBody": "={{ JSON.stringify({\n status: 'error',\n reason: 'back_translation_failed',\n message: 'Generated response but could not translate back to ' + $('Extract & Validate Form Data').first().json.customerLanguage + '. You can manually send the English version below.',\n email: $('Extract & Validate Form Data').first().json.customerEmail,\n originalMessage: $('Extract & Validate Form Data').first().json.customerMessage,\n englishVersion: $('OpenAI: Generate Response').first().json.response,\n instruction: 'Send the englishVersion to the customer manually, or retry in 60 seconds.'\n}) }}" }, "typeVersion": 1.1 }, { "id": "d5e718b8-8dbb-46ed-a1dc-34603a2f8396", "name": "Package Final Response", "type": "n8n-nodes-base.set", "position": [ 2352, 3568 ], "parameters": { "options": {}, "assignments": { "assignments": [ { "name": "status", "type": "string", "value": "pending_review" }, { "name": "email", "type": "string", "value": "={{ $('Extract & Validate Form Data').first().json.customerEmail }}" }, { "name": "originalMessage", "type": "string", "value": "={{ $('Extract & Validate Form Data').first().json.customerMessage }}" }, { "name": "translatedResponse", "type": "string", "value": "={{ $json.text }}" }, { "name": "englishVersion", "type": "string", "value": "={{ $('OpenAI: Generate Response').first().json.response }}" }, { "name": "customerLanguage", "type": "string", "value": "={{ $('Extract & Validate Form Data').first().json.customerLanguage }}" }, { "name": "timestamp", "type": "string", "value": "={{ $('Extract & Validate Form Data').first().json.timestamp }}" }, { "name": "upgradeUrl", "type": "string", "value": "https://your-lemonsqueezy.com/pro" }, { "name": "upgradeMessage", "type": "string", "value": "PRO version auto-sends this response \u2014 no manual copy/paste needed. Save 2-3 minutes per ticket." } ] } }, "typeVersion": 3.4 }, { "id": "5290768d-35c4-4210-a558-a9a1c4d5e94e", "name": "Send Success Response", "type": "n8n-nodes-base.respondToWebhook", "position": [ 2576, 3568 ], "parameters": { "options": {}, "respondWith": "json", "responseBody": "={{ JSON.stringify($json) }}" }, "typeVersion": 1.1 }, { "id": "67712f43-eccf-474b-98ee-6860329029a5", "name": "README1", "type": "n8n-nodes-base.stickyNote", "position": [ -352, 3440 ], "parameters": { "width": 452, "height": 620, "content": "## Multi-Language Support Router\n\n**HOW IT WORKS:**\nCustomer submits form in 29 languages:\n- DeepL translates \u2192 English (auto-detect)\n- AI generates support response (GPT-3.5)\n- DeepL translates \u2192 Customer language\n- Manual review before sending\n\n**ERROR HANDLING:**\n- Validation fails \u2192 HTTP 400 (email/message)\n- Translation fails \u2192 HTTP 502 + retry 60s\n- AI fails \u2192 HTTP 502 + retry 30s\n- Back-translation fails \u2192 HTTP 502 + English fallback\n\n### SETUP CHECKLIST\n\n- [x] **DeepL API:**\n \u2022 Sign up: deepl.com/pro-api (FREE: 500k chars/month)\n \u2022 Copy API key\n \u2022 n8n: Credentials \u2192 Add \u2192 \"DeepL API\"\n \u2022 Connect to BOTH DeepL nodes\n\n- [ ] **OpenAI:**\n \u2022 Get API key: platform.openai.com\n \u2022 Connect to \"OpenAI: Generate Response\" node\n \u2022 Model: GPT-3.5-turbo (default)\n- [ ] **Gmail OAuth2:**\n \u2022 n8n: Credentials \u2192 Add \u2192 \"Gmail OAuth2\"\n \u2022 Sign in with Google account\n \u2022 Grant permissions\n\n\n" }, "typeVersion": 1 }, { "id": "0f3e10e4-ecc8-406b-9d1a-82518d1faef3", "name": "Translation Section1", "type": "n8n-nodes-base.stickyNote", "position": [ 816, 3456 ], "parameters": { "color": 7, "width": 492, "height": 288, "content": "### TRANSLATE \u2192 ENGLISH\n\nDeepL auto-detects source language and translates customer message to English." }, "typeVersion": 1 }, { "id": "a46fde7f-3a9b-41a9-8bad-4a2304f01a49", "name": "AI Section1", "type": "n8n-nodes-base.stickyNote", "position": [ 1328, 3456 ], "parameters": { "color": 7, "width": 492, "height": 288, "content": "### AI GENERATION\n\nGPT-3.5 generates professional support response in English (2-3 paragraphs)." }, "typeVersion": 1 }, { "id": "f3c7c61b-6970-41de-be1b-4f6722874ff5", "name": "Back-Translation Section1", "type": "n8n-nodes-base.stickyNote", "position": [ 1856, 3456 ], "parameters": { "color": 7, "width": 428, "height": 288, "content": "### TRANSLATE \u2192 CUSTOMER\n\nDeepL translates AI response back to customer's original language." }, "typeVersion": 1 }, { "id": "3453033e-59f1-4134-8362-fb7542f12748", "name": "Output Section1", "type": "n8n-nodes-base.stickyNote", "position": [ 2304, 3456 ], "parameters": { "color": 7, "width": 700, "height": 288, "content": "### PACKAGE & SEND\n\nBundles complete response (original + translated + English) for manual review." }, "typeVersion": 1 }, { "id": "07977254-4c7b-4654-9f33-b4ea5b1b9f88", "name": "Sticky Note", "type": "n8n-nodes-base.stickyNote", "position": [ 496, 3792 ], "parameters": { "color": 7, "width": 2224, "height": 224, "content": "## ERROR HANDLING\nAll error responses return proper \nHTTP codes (400/502) with clear messages" }, "typeVersion": 1 }, { "id": "e7fac206-8c70-4440-b70f-0e641e84ea9d", "name": "Form: Customer Support", "type": "n8n-nodes-base.formTrigger", "position": [ 208, 3568 ], "parameters": { "path": "support-form", "options": {}, "formTitle": "Customer Support Request", "formFields": { "values": [ { "fieldType": "email", "fieldLabel": "Your Email", "requiredField": true }, { "fieldType": "textarea", "fieldLabel": "Your Question", "requiredField": true }, { "fieldType": "dropdown", "fieldLabel": "Language", "fieldOptions": { "values": [ { "option": "Spanish (ES)" }, { "option": "French (FR)" }, { "option": "German (DE)" }, { "option": "Italian (IT)" }, { "option": "Portuguese (PT)" }, { "option": "Dutch (NL)" }, { "option": "Polish (PL)" }, { "option": "Russian (RU)" }, { "option": "Japanese (JA)" }, { "option": "Chinese (ZH)" }, { "option": "English (EN)" }, { "option": "Bulgarian (BG)" }, { "option": "Czech (CS)" }, { "option": "Danish (DA)" }, { "option": "Greek (EL)" }, { "option": "Estonian (ET)" }, { "option": "Finnish (FI)" }, { "option": "Hungarian (HU)" }, { "option": "Indonesian (ID)" }, { "option": "Korean (KO)" }, { "option": "Lithuanian (LT)" }, { "option": "Latvian (LV)" }, { "option": "Norwegian (NB)" }, { "option": "Romanian (RO)" }, { "option": "Slovak (SK)" }, { "option": "Slovenian (SL)" }, { "option": "Swedish (SV)" }, { "option": "Turkish (TR)" }, { "option": "Ukrainian (UK)" } ] }, "requiredField": true } ] }, "responseMode": "responseNode", "formDescription": "Submit your support question in any language. We'll respond in your native language within minutes." }, "typeVersion": 2.1 }, { "id": "cfa2fb61-d94f-4b2c-bfd4-852dc420ed59", "name": "Gmail: Validation Error", "type": "n8n-nodes-base.gmail", "position": [ 1024, 3840 ], "parameters": { "sendTo": "={{ $('Extract & Validate Form Data').first().json.customerEmail }}", "message": "=\n\n\n \n \n\n\n
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\u274c
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Validation Error

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\n Error: {{ $json.errorReason === 'invalid_email' ? 'Invalid email format. Must contain @ and domain.' : 'Message must be at least 5 characters long.' }}\n

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What to do next:

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    \n
  • Check your email address format
    • \n
  • Make sure your message is at least 5 characters long
    • \n
  • Try submitting the form again
    • \n
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\n \n
\n Try Again\n
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\n \n \n
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This is an automated message from your support system

\n
\n
\n\n", "options": {}, "subject": "\u274c Support Request Error" }, "credentials": { "gmailOAuth2": { "name": "" } }, "typeVersion": 2.1 }, { "id": "3b3d6f7c-89a6-4475-bc2e-c4a02ab36007", "name": "Input Section", "type": "n8n-nodes-base.stickyNote", "position": [ 160, 3456 ], "parameters": { "color": 7, "width": 620, "height": 288, "content": "### INPUT & VALIDATION\n\nValidates email format, message length, and extracts language code from dropdown." }, "typeVersion": 1 }, { "id": "5e0fc24e-0399-47f7-8864-7bcb289e0846", "name": "Gmail: Translation Error", "type": "n8n-nodes-base.gmail", "position": [ 1520, 3840 ], "parameters": { "sendTo": "={{ $('Extract & Validate Form Data').first().json.customerEmail }}", "message": "=\n\n\n \n \n\n\n
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\u26a0\ufe0f
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Translation Service Issue

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\n Issue: Our translation service (DeepL) is temporarily unavailable or rate-limited.\n

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Your Message:

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\"{{ $('Extract & Validate Form Data').first().json.customerMessage }}\"

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Next Steps:

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\n Please try again in 60 seconds. This is usually a temporary issue that resolves quickly.\n

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\n \n
\n Submit Again (60s)\n
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This is an automated message from your support system

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\n\n", "options": {}, "subject": "\u26a0\ufe0f Translation Service Temporarily Unavailable" }, "credentials": { "gmailOAuth2": { "name": "" } }, "typeVersion": 2.1 }, { "id": "31d95e99-f625-4ecb-82be-fa736de99d76", "name": "Gmail: AI Generation Error1", "type": "n8n-nodes-base.gmail", "position": [ 2064, 3840 ], "parameters": { "sendTo": "={{ $('Extract & Validate Form Data').first().json.customerEmail }}", "message": "=\n\n\n \n \n\n\n
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\ud83e\udd16
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AI Generation Failed

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\n Issue: OpenAI failed to generate a response. This is rare and usually resolves quickly.\n

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Your Message:

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\"{{ $('Extract & Validate Form Data').first().json.customerMessage }}\"

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\n Please try submitting your question again in 30 seconds.\n

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This is an automated message from your support system

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\n
\n\n", "options": {}, "subject": "\u26a0\ufe0f AI Service Temporarily Unavailable" }, "credentials": { "gmailOAuth2": { "name": "" } }, "typeVersion": 2.1 }, { "id": "641e9eb0-80db-43bb-a5e6-750fd9b18771", "name": "Gmail: Back-Translation Error", "type": "n8n-nodes-base.gmail", "position": [ 2512, 3840 ], "parameters": { "sendTo": "={{ $('Extract & Validate Form Data').first().json.customerEmail }}", "message": "=\n\n\n \n \n\n\n
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\u2705
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Support Response

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English Version (Translation Failed)

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\n Note: We couldn't translate this response back to {{ $('Extract & Validate Form Data').first().json.customerLanguage }}. Here's the English version:\n

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Your Question:

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\"{{ $('Extract & Validate Form Data').first().json.customerMessage }}\"

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Our Response:

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\n {{ $('OpenAI: Generate Response').first().json.response }}\n
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\n \ud83d\udca1 Tip: You can try submitting your question again in 60 seconds, or reply to this email if you need further assistance.\n

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Powered by AI Translation \u2022 {{ $('Extract & Validate Form Data1').first().json.timestamp }}

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This is an automated message from your support system

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\n
\n\n", "options": {}, "subject": "\u2705 Support Response (English Version)" }, "credentials": { "gmailOAuth2": { "name": "" } }, "typeVersion": 2.1 }, { "id": "cf83b339-a893-4178-bf33-b1ba41ab501b", "name": "Gmail: Send Success Response", "type": "n8n-nodes-base.gmail", "position": [ 2816, 3568 ], "parameters": { "sendTo": "={{ $('Extract & Validate Form Data').first().json.customerEmail }}", "message": "=\n\n\n \n \n\n\n
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\u2728
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We've Got Your Answer

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Translated to your language

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\n \n \n
\n \n
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Your Question:

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\"{{ $('Extract & Validate Form Data').first().json.customerMessage }}\"

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Our Response:

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\n{{ $json.text }}\n
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\n \ud83d\udcd6 View English Version\n
\n {{ $('OpenAI: Generate Response').first().json.response }}\n
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Language
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{{ $('Extract & Validate Form Data').first().json.customerLanguage }}
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Response Time
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~5 seconds
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Translated by
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DeepL AI
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Need more help?

\n Ask Another Question\n
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Powered by AI Translation \u2022 {{ $('Extract & Validate Form Data1').first().json.timestamp }}

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This response was automatically translated to your language

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\n
\n\n", "options": {}, "subject": "\u2705 Your Support Response" }, "credentials": { "gmailOAuth2": { "name": "" } }, "typeVersion": 2.1 } ], "active": false, "settings": { "binaryMode": "separate", "executionOrder": "v1" }, "versionId": "e28f050c-f635-4750-8436-9fa587a7813c", "connections": { "Is Data Valid?": { "main": [ [ { "node": "DeepL: Customer \u2192 English", "type": "main", "index": 0 }, { "node": "Response: Validation Error", "type": "main", "index": 0 } ] ] }, "AI Response Valid?": { "main": [ [ { "node": "DeepL: English \u2192 Customer", "type": "main", "index": 0 }, { "node": "Response: AI Generation Error", "type": "main", "index": 0 } ] ] }, "Translation Success?": { "main": [ [ { "node": "OpenAI: Generate Response", "type": "main", "index": 0 }, { "node": "Response: Translation Error", "type": "main", "index": 0 } ] ] }, "Send Success Response": { "main": [ [ { "node": "Gmail: Send Success Response", "type": "main", "index": 0 } ] ] }, "Form: Customer Support": { "main": [ [ { "node": "Extract & Validate Form Data", "type": "main", "index": 0 } ] ] }, "Package Final Response": { "main": [ [ { "node": "Send Success Response", "type": "main", "index": 0 } ] ] }, "Gmail: Validation Error": { "main": [ [] ] }, "Back-Translation Success?": { "main": [ [ { "node": "Package Final Response", "type": "main", "index": 0 }, { "node": "Response: Back-Translation Error", "type": "main", "index": 0 } ] ] }, "OpenAI: Generate Response": { "main": [ [ { "node": "AI Response Valid?", "type": "main", "index": 0 } ] ] }, "Response: Validation Error": { "main": [ [ { "node": "Gmail: Validation Error", "type": "main", "index": 0 } ] ] }, "DeepL: Customer \u2192 English": { "main": [ [ { "node": "Translation Success?", "type": "main", "index": 0 } ] ] }, "DeepL: English \u2192 Customer": { "main": [ [ { "node": "Back-Translation Success?", "type": "main", "index": 0 } ] ] }, "Response: Translation Error": { "main": [ [ { "node": "Gmail: Translation Error", "type": "main", "index": 0 } ] ] }, "Extract & Validate Form Data": { "main": [ [ { "node": "Is Data Valid?", "type": "main", "index": 0 } ] ] }, "Response: AI Generation Error": { "main": [ [ { "node": "Gmail: AI Generation Error1", "type": "main", "index": 0 } ] ] }, "Response: Back-Translation Error": { "main": [ [ { "node": "Gmail: Back-Translation Error", "type": "main", "index": 0 } ] ] } } }