This workflow follows the Agent → HTTP Request 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": "LineSample",
"nodes": [
{
"parameters": {
"content": "## \u95dc\u65bc\u9019\u500b\u7bc0\u9ede\u7684\u4f5c\u8005\n\n**\u516c\u53f8\u540d\u7a31**: \u597d\u4e8b\u767c\u751f\u6578\u4f4d \n**\u516c\u53f8\u7db2\u5740**: [https://ohya.co](https://ohya.co) \n**LINE \u793e\u7fa4**: [\u9ede\u6211\u52a0\u5165 LINE \u7fa4\u7d44](https://line.me/ti/g2/bfnrSbbUE56PISKtQa9KK5gqpMhed_DXf-hmQw) \n**\u806f\u7d61\u4fe1\u7bb1**: gary@ohya.co \n**Threads**: [https://www.threads.net/@ohya.studio](https://www.threads.net/@ohya.studio)",
"height": 220,
"width": 320
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
-480,
-400
],
"id": "36f6756a-9e81-427a-a292-cbb7496d84a9",
"name": "\u95dc\u65bc\u9019\u500b\u7bc0\u9ede\u7684\u4f5c\u8005"
},
{
"parameters": {
"httpMethod": "POST",
"path": "callback",
"options": {}
},
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
-512,
-32
],
"id": "aec82924-0038-41f9-bc21-3c3296bbcb49",
"name": "Webhook \u5165\u53e3"
},
{
"parameters": {
"content": "## Webhook \u5165\u53e3\n\n**\u8aaa\u660e\uff1a**\n- \u76e3\u807d\u4f86\u81ea LINE \u7684\u8a0a\u606f\uff0c\u89f8\u767c\u81ea\u52d5\u56de\u61c9\u6d41\u7a0b\u3002\n\n**\u6ce8\u610f\u4e8b\u9805\uff1a**\n1. \u78ba\u4fdd Webhook \u8a2d\u5b9a\u6b63\u78ba\uff0c\u78ba\u4fdd LINE \u53ef\u767c\u9001\u8acb\u6c42\u3002\n2. \u9700\u8981\u5728 LINE Developers Console \u8a2d\u5b9a Webhook URL\u3002",
"height": 260,
"width": 360
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
-992,
-288
],
"id": "b8923055-142f-4c7a-b50a-12ee9ca7fd1f",
"name": "Webhook \u5165\u53e3\u8aaa\u660e"
},
{
"parameters": {
"promptType": "define",
"text": "={{ $json.body.events[0].message.text }}",
"hasOutputParser": true,
"options": {
"systemMessage": "You are a helpful assistant",
"maxIterations": 10,
"returnIntermediateSteps": false,
"passthroughBinaryImages": true
}
},
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 1.7,
"position": [
-32,
-32
],
"id": "50e08f2d-1fa4-461b-a4b2-b172f07de49c",
"name": "AI \u8a9e\u8a00\u6a21\u578b"
},
{
"parameters": {
"content": "## AI \u8a9e\u8a00\u6a21\u578b\n\n**\u8aaa\u660e\uff1a**\n- \u547c\u53eb AI \u6a21\u578b\uff08\u5982 Google Gemini\uff09\u4f86\u7522\u751f\u9069\u7576\u56de\u61c9\u3002\n\n**\u6ce8\u610f\u4e8b\u9805\uff1a**\n1. \u78ba\u4fdd API Key \u6b63\u78ba\u586b\u5beb\uff0c\u907f\u514d\u8acb\u6c42\u5931\u6557\u3002\n2. \u8a2d\u5b9a `prompt` \u8981\u6c42\u8f38\u51fa JSON\uff0c\u907f\u514d\u683c\u5f0f\u932f\u8aa4\u3002",
"height": 320
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
64,
-448
],
"id": "f676be81-1517-4019-8f2a-f3db6b6737bc",
"name": "AI \u8a9e\u8a00\u6a21\u578b\u8aaa\u660e"
},
{
"parameters": {
"jsCode": "\n// \u53d6\u5f97 `replyToken` \u548c `output`\nconst replyToken = $('Webhook \u5165\u53e3').first().json.body.events[0].replyToken;\nconst text = $input.first().json.output;\n\n// \u56de\u50b3\u6574\u7406\u5f8c\u7684\u7d50\u679c\nreturn [\n {\n json: {\n replyToken: replyToken,\n text: text\n }\n }\n];\n"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
352,
-32
],
"id": "456f626c-3f49-4030-9bc7-50817d699a29",
"name": "\u8655\u7406 AI \u56de\u61c9",
"alwaysOutputData": false
},
{
"parameters": {
"content": "## \u8655\u7406 AI \u56de\u61c9\n\n**\u8aaa\u660e\uff1a**\n- \u89e3\u6790 AI \u7522\u751f\u7684\u56de\u61c9\uff0c\u53d6\u5f97 `replyToken` \u548c `text`\u3002\n\n**\u6ce8\u610f\u4e8b\u9805\uff1a**\n1. \u78ba\u4fdd AI Agent \u8f38\u51fa\u7684\u683c\u5f0f\u6b63\u78ba\u3002\n2. \u82e5 AI \u8f38\u51fa\u932f\u8aa4\uff0c\u61c9\u8a72\u8981\u5728\u9019\u88e1\u8655\u7406\u932f\u8aa4\u908f\u8f2f\u3002",
"height": 280
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
288,
128
],
"id": "eb0ced79-4aee-46ce-aaa4-bdd5d4e17037",
"name": "\u8655\u7406 AI \u56de\u61c9\u7684\u8aaa\u660e"
},
{
"parameters": {
"method": "POST",
"url": "https://api.line.me/v2/bot/message/reply",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "application/json"
},
{
"name": "Authorization",
"value": "Bearer FWz/gKhiCZ4IvSc+ScIfe7Cvt5QGglU2H8y+Sw9IviD0bOoCS9fBTCq0t8avYqOSHCG++EA5TRPXTJSIdbbsWPPp43i4vuh0TttM/yCx3VGqj3d321/Xl3qUeb6obXX+o+pLlgap/iDSlh3++Pk1nwdB04t89/1O/w1cDnyilFU="
}
]
},
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={\n \"replyToken\": \"{{ $json.replyToken }}\",\n \"messages\": [\n {\n \"type\": \"text\",\n \"text\": \"{{ $json.text }}\"\n }\n ]\n}\n",
"options": {}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
576,
-32
],
"id": "30496aae-2a73-4763-97e8-8ca927c86845",
"name": "\u767c\u9001\u56de\u61c9\u7d66 LINE"
},
{
"parameters": {
"model": {
"__rl": true,
"value": "gpt-4.1-mini",
"mode": "list",
"cachedResultName": "gpt-4.1-mini"
},
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"typeVersion": 1.2,
"position": [
-160,
240
],
"id": "ca407b2e-3f24-48d9-8fcf-4566813d3cd1",
"name": "OpenAI Chat Model",
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
}
],
"connections": {
"Webhook \u5165\u53e3": {
"main": [
[
{
"node": "AI \u8a9e\u8a00\u6a21\u578b",
"type": "main",
"index": 0
}
]
]
},
"AI \u8a9e\u8a00\u6a21\u578b": {
"main": [
[
{
"node": "\u8655\u7406 AI \u56de\u61c9",
"type": "main",
"index": 0
}
]
]
},
"\u8655\u7406 AI \u56de\u61c9": {
"main": [
[
{
"node": "\u767c\u9001\u56de\u61c9\u7d66 LINE",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "AI \u8a9e\u8a00\u6a21\u578b",
"type": "ai_languageModel",
"index": 0
}
]
]
}
},
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "2e253149-ef7d-4ced-930c-0a37d9410441",
"meta": {
"templateCredsSetupCompleted": true
},
"id": "dTYyXgaFqfus8na9",
"tags": []
}
Credentials you'll need
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openAiApi
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About this workflow
LineSample. Uses agent, httpRequest, lmChatOpenAi. Webhook trigger; 9 nodes.
Source: https://github.com/puremars2015/TextBook/blob/01f07fb932d1610ac7382f7e1ef76b04aadf4a89/n8n/LineSample.json — original creator credit. Request a take-down →
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