The workflow JSON
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{
"id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
"name": "Blitz-Antwort \u2014 Personalisierte Lead-Response",
"active": false,
"versionId": "b2c3d4e5-f6a7-8901-bcde-f12345678901",
"nodes": [
{
"id": "webhook-trigger",
"name": "Kontaktformular Webhook",
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
200,
300
],
"parameters": {
"httpMethod": "POST",
"path": "blitz-antwort-lead",
"responseMode": "responseNode",
"options": {}
}
},
{
"id": "validate-input",
"name": "Eingabe validieren",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
420,
300
],
"parameters": {
"jsCode": "const body = $input.first().json.body || $input.first().json;\n\nconst name = (body.name || '').trim();\nconst email = (body.email || '').trim();\nconst message = (body.message || '').trim();\nconst company = (body.company || '').trim();\n\nif (!name || !email || !message) {\n return [{\n json: {\n valid: false,\n error: 'Name, E-Mail und Nachricht sind erforderlich'\n }\n }];\n}\n\nconst emailRegex = /^[^\\s@]+@[^\\s@]+\\.[^\\s@]+$/;\nif (!emailRegex.test(email)) {\n return [{\n json: {\n valid: false,\n error: 'Ung\u00fcltige E-Mail-Adresse'\n }\n }];\n}\n\nreturn [{\n json: {\n valid: true,\n name,\n email,\n message,\n company,\n received_at: new Date().toISOString()\n }\n}];"
}
},
{
"id": "check-valid",
"name": "Validierung OK?",
"type": "n8n-nodes-base.if",
"typeVersion": 2,
"position": [
640,
300
],
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict"
},
"conditions": [
{
"leftValue": "={{ $json.valid }}",
"rightValue": true,
"operator": {
"type": "boolean",
"operation": "true"
}
}
],
"combinator": "and"
}
}
},
{
"id": "error-response",
"name": "Fehler zur\u00fcckgeben",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1,
"position": [
860,
460
],
"parameters": {
"respondWith": "json",
"responseBody": "={{ JSON.stringify({ success: false, error: $json.error }) }}",
"options": {
"responseCode": 400
}
}
},
{
"id": "classify-lead",
"name": "Lead klassifizieren (KI)",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
860,
200
],
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"parameters": {
"method": "POST",
"url": "https://api.moonshot.ai/v1/chat/completions",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={\n \"model\": \"kimi-k2\",\n \"max_tokens\": 512,\n \"messages\": [\n {\n \"role\": \"system\",\n \"content\": \"Du bist ein Lead-Qualifizierungsassistent f\u00fcr eine Unternehmensberatung spezialisiert auf KI-Automatisierung. Analysiere eingehende Anfragen und klassifiziere den Lead. Antworte NUR mit validem JSON, ohne Erkl\u00e4rungen.\"\n },\n {\n \"role\": \"user\",\n \"content\": \"Analysiere diesen Lead:\\n\\nName: {{ $json.name }}\\nUnternehmen: {{ $json.company || 'nicht angegeben' }}\\nNachricht: {{ $json.message }}\\n\\nGib zur\u00fcck:\\n{\\n \\\"score\\\": <1-10>,\\n \\\"kategorie\\\": \\\"<smb|enterprise|agency|private>\\\",\\n \\\"hauptinteresse\\\": \\\"<ein kurzer Satz>\\\",\\n \\\"dringlichkeit\\\": \\\"<hoch|mittel|niedrig>\\\",\\n \\\"sprache\\\": \\\"<de|en>\\\"\\n}\"\n }\n ]\n}",
"options": {}
}
},
{
"id": "parse-classification",
"name": "Klassifikation parsen",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1080,
200
],
"parameters": {
"jsCode": "const response = $input.first().json;\nconst lead = $('Eingabe validieren').first().json;\n\ntry {\n let content = response.choices?.[0]?.message?.content || '{}';\n content = content.replace(/```json\\n?/g, '').replace(/```\\n?/g, '').trim();\n const jsonMatch = content.match(/{[\\s\\S]*}/);\n const classification = jsonMatch ? JSON.parse(jsonMatch[0]) : {};\n\n return [{\n json: {\n ...lead,\n classification: {\n score: classification.score || 5,\n kategorie: classification.kategorie || 'smb',\n hauptinteresse: classification.hauptinteresse || lead.message.substring(0, 100),\n dringlichkeit: classification.dringlichkeit || 'mittel',\n sprache: classification.sprache || 'de'\n }\n }\n }];\n} catch (e) {\n return [{\n json: {\n ...lead,\n classification: {\n score: 5,\n kategorie: 'smb',\n hauptinteresse: lead.message.substring(0, 100),\n dringlichkeit: 'mittel',\n sprache: 'de'\n }\n }\n }];\n}"
}
},
{
"id": "generate-response",
"name": "Personalisierte Antwort generieren",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
1300,
200
],
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"parameters": {
"method": "POST",
"url": "https://api.moonshot.ai/v1/chat/completions",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={\n \"model\": \"kimi-k2\",\n \"max_tokens\": 800,\n \"messages\": [\n {\n \"role\": \"system\",\n \"content\": \"Du bist Tobias Leinss, Berater f\u00fcr KI-Automatisierung. Schreibe eine professionelle, pers\u00f6nliche Erstantwort auf eine Kundenanfrage. Der Ton ist freundlich aber professionell. Erw\u00e4hne konkret das Anliegen des Kunden. Schlage immer einen n\u00e4chsten Schritt vor (Beratungsgespr\u00e4ch via Cal.com: https://cal.com/tobias-leinss/beratung). Schreibe auf {{ $json.classification.sprache === 'en' ? 'Englisch' : 'Deutsch' }}. Gib NUR den E-Mail-Text zur\u00fcck, kein Betreff, keine Anleitung.\"\n },\n {\n \"role\": \"user\",\n \"content\": \"Schreibe eine Erstantwort f\u00fcr:\\n\\nKontaktperson: {{ $json.name }}{{ $json.company ? ' von ' + $json.company : '' }}\\nKategorie: {{ $json.classification.kategorie }}\\nHauptinteresse: {{ $json.classification.hauptinteresse }}\\nDringlichkeit: {{ $json.classification.dringlichkeit }}\\nOriginalnachricht: {{ $json.message }}\"\n }\n ]\n}",
"options": {}
}
},
{
"id": "build-email",
"name": "E-Mail zusammenbauen",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1520,
200
],
"parameters": {
"jsCode": "const lead = $('Klassifikation parsen').first().json;\nconst response = $input.first().json;\n\nconst emailBody = response.choices?.[0]?.message?.content || '';\n\nconst isDE = lead.classification.sprache !== 'en';\nconst subject = isDE\n ? `Re: Ihre Anfrage \u2014 ${lead.classification.hauptinteresse.substring(0, 50)}`\n : `Re: Your inquiry \u2014 ${lead.classification.hauptinteresse.substring(0, 50)}`;\n\nreturn [{\n json: {\n to: lead.email,\n subject,\n body: emailBody,\n lead_score: lead.classification.score,\n kategorie: lead.classification.kategorie,\n dringlichkeit: lead.classification.dringlichkeit,\n name: lead.name,\n company: lead.company,\n original_message: lead.message,\n received_at: lead.received_at\n }\n}];"
}
},
{
"id": "success-response",
"name": "Erfolg best\u00e4tigen",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1,
"position": [
1740,
200
],
"parameters": {
"respondWith": "json",
"responseBody": "={ \"success\": true, \"message\": \"Ihre Nachricht wurde empfangen. Sie erhalten in K\u00fcrze eine pers\u00f6nliche Antwort.\" }",
"options": {
"responseCode": 200
}
}
}
],
"connections": {
"Kontaktformular Webhook": {
"main": [
[
{
"node": "Eingabe validieren",
"type": "main",
"index": 0
}
]
]
},
"Eingabe validieren": {
"main": [
[
{
"node": "Validierung OK?",
"type": "main",
"index": 0
}
]
]
},
"Validierung OK?": {
"main": [
[
{
"node": "Lead klassifizieren (KI)",
"type": "main",
"index": 0
}
],
[
{
"node": "Fehler zur\u00fcckgeben",
"type": "main",
"index": 0
}
]
]
},
"Lead klassifizieren (KI)": {
"main": [
[
{
"node": "Klassifikation parsen",
"type": "main",
"index": 0
}
]
]
},
"Klassifikation parsen": {
"main": [
[
{
"node": "Personalisierte Antwort generieren",
"type": "main",
"index": 0
}
]
]
},
"Personalisierte Antwort generieren": {
"main": [
[
{
"node": "E-Mail zusammenbauen",
"type": "main",
"index": 0
}
]
]
},
"E-Mail zusammenbauen": {
"main": [
[
{
"node": "Erfolg best\u00e4tigen",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1"
}
}
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.
httpHeaderAuth
Pro
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About this workflow
Blitz-Antwort — Personalisierte Lead-Response. Uses httpRequest. Webhook trigger; 9 nodes.
Source: https://github.com/leinss/astro-sassify/blob/dbbdac8e13b20e2e8d76c54163b7ec81e60ca470/public/workflows/blitz-antwort.json — original creator credit. Request a take-down →
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