The workflow JSON
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{
"id": "xibc6WDU53isYN1o",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "Line Chatbot Handling AI Responses with Groq and Llama3",
"tags": [],
"nodes": [
{
"id": "9b936123-7f31-4ddc-b1ca-fd172da9c5a8",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
0,
-200
],
"parameters": {
"width": 440,
"content": "## Line AI Chatbot with Groq \nThis workflow automates the process of handling messages from Line Messaging API by sending message to Groq as your AI assistant and reply back to you. In this workflow, you can see that there is no JSON error when sending long and complex message."
},
"typeVersion": 1
},
{
"id": "0d75416e-58f0-4411-8904-7051f0d1c06a",
"name": "Line: Messaging API",
"type": "n8n-nodes-base.webhook",
"position": [
0,
0
],
"parameters": {
"path": "befed026-573c-4d3a-9113-046ea8ae5930",
"options": {},
"httpMethod": "POST"
},
"typeVersion": 2
},
{
"id": "e363c981-acdf-4048-a531-31808cd3edc5",
"name": "Get Messages",
"type": "n8n-nodes-base.set",
"position": [
300,
0
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "654c2465-5531-46fb-9b11-74cc23c899a9",
"name": "body.events[0].message.text",
"type": "string",
"value": "={{ $json.body.events[0].message.text }}"
},
{
"id": "be878a5c-f3e2-40c4-b8f2-6c6708b3b2ad",
"name": "body.events[0].message.id",
"type": "string",
"value": "={{ $json.body.events[0].message.id }}"
},
{
"id": "de79a8fe-d9fb-4bf4-a2a7-df3969b194a4",
"name": "body.events[0].source.userId",
"type": "string",
"value": "={{ $json.body.events[0].source.userId }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "6e0b17ab-9f38-4a73-b650-b35bd51657e4",
"name": "Groq AI Assistant",
"type": "n8n-nodes-base.httpRequest",
"position": [
580,
0
],
"parameters": {
"url": "https://api.groq.com/openai/v1/chat/completions",
"method": "POST",
"options": {},
"jsonBody": "={\n \"messages\": [\n {\n \"role\": \"user\",\n \"content\": \"{{ $json.body.events[0].message.text }}\"\n }\n ],\n \"model\": \"llama-3.3-70b-versatile\",\n \"temperature\": 1,\n \"max_completion_tokens\": 2500,\n \"top_p\": 1,\n \"stream\": null,\n \"stop\": null\n} ",
"sendBody": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth"
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 4.2
},
{
"id": "25e929d1-3a38-45e1-a089-1cab0919f49d",
"name": "Line: Reply Message",
"type": "n8n-nodes-base.httpRequest",
"position": [
860,
0
],
"parameters": {
"url": "https://api.line.me/v2/bot/message/reply",
"method": "POST",
"options": {},
"jsonBody": "={\n \"replyToken\":\"{{ $('Line: Messaging API').item.json.body.events[0].replyToken }}\",\n \"messages\":[\n {\n \"type\":\"text\",\n \"text\": {{ JSON.stringify($('Groq AI Assistant).item.json.choices[0].message.content) }}\n }\n ]\n}",
"sendBody": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth"
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 4.2
},
{
"id": "efcd27d2-a347-4ec4-8190-ccbef6616dd5",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-80,
160
],
"parameters": {
"width": 260,
"content": "## LINE Messaging API \nGet the access token from Line Business https://manager.line.biz/"
},
"typeVersion": 1
},
{
"id": "0c720dac-7c64-4635-9ef0-b92a4886db14",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
220,
160
],
"parameters": {
"content": "## Get Message\nGet message from Line account."
},
"typeVersion": 1
},
{
"id": "b7afaacd-7d23-44e0-a601-81f7907b7af2",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
500,
160
],
"parameters": {
"content": "## Groq API Key\nApply Groq account and get API key then you should set ```max_completion_tokens``` less than 5000 because of Line message limitation"
},
"typeVersion": 1
},
{
"id": "e10ae59d-374a-4926-8f38-6baa79f4782b",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
780,
160
],
"parameters": {
"content": "## Reply message\nUse replyToken from Line messaging API and use ```choices[].message.content``` to reply to you."
},
"typeVersion": 1
}
],
"active": true,
"settings": {
"executionOrder": "v1"
},
"versionId": "dcdc5794-7034-4215-a719-b73513f0f0ee",
"connections": {
"Get Messages": {
"main": [
[
{
"node": "Groq AI Assistant",
"type": "main",
"index": 0
}
]
]
},
"Groq AI Assistant": {
"main": [
[
{
"node": "Line: Reply Message",
"type": "main",
"index": 0
}
]
]
},
"Line: Messaging API": {
"main": [
[
{
"node": "Get Messages",
"type": "main",
"index": 0
}
]
]
}
}
}
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
About this workflow
Line Chatbot Handling AI Responses with Groq and Llama3. Uses stickyNote, httpRequest. Webhook trigger; 9 nodes.
Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →