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": "SlideAI \u2014 08 Chat Revision",
"active": false,
"nodes": [
{
"id": "wh-chat",
"name": "On Chat Revision Request",
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
0,
0
],
"parameters": {
"path": "chat-revision",
"httpMethod": "POST",
"responseMode": "responseNode",
"options": {}
}
},
{
"id": "resp-chat",
"name": "Respond 200 OK",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1,
"position": [
280,
0
],
"parameters": {
"respondWith": "json",
"responseBody": "={{ JSON.stringify({status:'ok',project_id:$json.body?.project_id??$json.project_id??'received'}) }}"
}
},
{
"id": "set-chat",
"name": "Extract Chat Data",
"type": "n8n-nodes-base.set",
"typeVersion": 3,
"position": [
560,
0
],
"parameters": {
"mode": "manual",
"fields": {
"values": [
{
"name": "project_id",
"value": "={{ $json.body.project_id }}"
},
{
"name": "slide_id",
"value": "={{ $json.body.slide_id }}"
},
{
"name": "message",
"value": "={{ $json.body.message }}"
}
]
}
}
},
{
"id": "get-slide-rev",
"name": "Get Slide to Revise",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4,
"position": [
840,
0
],
"parameters": {
"url": "=https://yqpvjtwldnkoersgqoti.supabase.co/rest/v1/slides?id=eq.{{ $json.slide_id }}&select=id,topic,slide_type,content,speaker_notes",
"method": "GET",
"authentication": "predefinedCredentialType",
"nodeCredentialType": "supabaseApi",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "application/json"
},
{
"name": "Prefer",
"value": "return=representation"
}
]
},
"options": {}
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"id": "get-history",
"name": "Get Chat History (last 10)",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4,
"position": [
1120,
0
],
"parameters": {
"url": "=https://yqpvjtwldnkoersgqoti.supabase.co/rest/v1/chat_history?project_id=eq.{{ $('Extract Chat Data').first().json.project_id }}&order=created_at.desc&limit=10",
"method": "GET",
"authentication": "predefinedCredentialType",
"nodeCredentialType": "supabaseApi",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "application/json"
},
{
"name": "Prefer",
"value": "return=representation"
}
]
},
"options": {}
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"id": "chat-rev-agent",
"name": "Chat Revision Agent \u2014 Groq",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4,
"position": [
1400,
0
],
"parameters": {
"url": "https://api.groq.com/openai/v1/chat/completions",
"method": "POST",
"authentication": "predefinedCredentialType",
"nodeCredentialType": "groqApi",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "application/json"
}
]
},
"sendBody": true,
"specifyBody": "string",
"body": "={{ JSON.stringify({ model: 'llama-3.3-70b-versatile', temperature: 0.7, max_tokens: 4096, messages: [{ role: 'system', content: \"You are a slide revision assistant. Modify only what is asked. Return JSON only: {\\\"content\\\":{\\\"title\\\":\\\"\\\",\\\"bullets\\\":[]},\\\"speaker_notes\\\":\\\"\\\"}\" }, { role: 'user', content: `Current slide: ${JSON.stringify($('Get Slide to Revise').first().json)}\\nUser request: ${$('Extract Chat Data').first().json.message}\\nMake the requested change and return the updated slide content.` }] }) }}",
"options": {}
},
"credentials": {
"groqApi": {
"name": "<your credential>"
}
}
},
{
"id": "parse-rev",
"name": "Parse Revision Response",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1680,
0
],
"parameters": {
"jsCode": "\nconst raw = items[0].json.choices?.[0]?.message?.content??'{}';\nlet revised;\ntry { revised=JSON.parse(raw.replace(/```json?\\n?/g,'').replace(/```/g,'').trim()); }\ncatch(e){ revised={ content:{title:'Revised',bullets:[]}, speaker_notes:'' }; }\nconst d = $('Extract Chat Data').first().json;\nreturn [{ json:{...revised, slide_id:d.slide_id, project_id:d.project_id, user_message:d.message} }];\n",
"mode": "runOnceForAllItems"
}
},
{
"id": "upd-revised",
"name": "Update Revised Slide",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4,
"position": [
1960,
0
],
"parameters": {
"url": "=https://yqpvjtwldnkoersgqoti.supabase.co/rest/v1/slides?id=eq.{{ $json.slide_id }}",
"method": "PATCH",
"authentication": "predefinedCredentialType",
"nodeCredentialType": "supabaseApi",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "application/json"
},
{
"name": "Prefer",
"value": "return=representation"
}
]
},
"sendBody": true,
"specifyBody": "string",
"body": "={{ JSON.stringify({content:$json.content, speaker_notes:$json.speaker_notes}) }}",
"options": {}
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"id": "save-chat-msg",
"name": "Save Chat Message",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4,
"position": [
2240,
0
],
"parameters": {
"url": "https://yqpvjtwldnkoersgqoti.supabase.co/rest/v1/chat_history",
"method": "POST",
"authentication": "predefinedCredentialType",
"nodeCredentialType": "supabaseApi",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "application/json"
},
{
"name": "Prefer",
"value": "return=representation"
}
]
},
"sendBody": true,
"specifyBody": "string",
"body": "={{ JSON.stringify({project_id:$json.project_id, role:'user', message:$json.user_message, slide_id:$json.slide_id}) }}",
"options": {}
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
}
],
"connections": {
"On Chat Revision Request": {
"main": [
[
{
"node": "Respond 200 OK",
"type": "main",
"index": 0
},
{
"node": "Extract Chat Data",
"type": "main",
"index": 0
}
]
]
},
"Extract Chat Data": {
"main": [
[
{
"node": "Get Slide to Revise",
"type": "main",
"index": 0
}
]
]
},
"Get Slide to Revise": {
"main": [
[
{
"node": "Get Chat History (last 10)",
"type": "main",
"index": 0
}
]
]
},
"Get Chat History (last 10)": {
"main": [
[
{
"node": "Chat Revision Agent \u2014 Groq",
"type": "main",
"index": 0
}
]
]
},
"Chat Revision Agent \u2014 Groq": {
"main": [
[
{
"node": "Parse Revision Response",
"type": "main",
"index": 0
}
]
]
},
"Parse Revision Response": {
"main": [
[
{
"node": "Update Revised Slide",
"type": "main",
"index": 0
}
]
]
},
"Update Revised Slide": {
"main": [
[
{
"node": "Save Chat Message",
"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.
groqApisupabaseApi
Pro
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About this workflow
SlideAI — 08 Chat Revision. Uses httpRequest. Webhook trigger; 9 nodes.
Source: https://github.com/rinoyfrancis2/presentation-generator-ai/blob/52d6c7c36a046155f12476db39f7a778a28322c1/n8n-workflows/08-chat-revision.json — original creator credit. Request a take-down →
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