ChatPayLabs 
This workflow corresponds to n8n.io template #4046 — we link there as the canonical source.
This workflow follows the Agent → Chat Trigger 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 →
{
"id": "wgzgvKA5E4uNohoU",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "\ud83d\udece\ufe0f Taxi Service",
"tags": [
{
"id": "xofc8T2YGf1CKDRt",
"name": "Service",
"createdAt": "2025-04-29T08:57:58.323Z",
"updatedAt": "2025-04-29T08:57:58.323Z"
},
{
"id": "no8Mb078mvRgw7PS",
"name": "DEMO",
"createdAt": "2025-04-30T05:34:10.330Z",
"updatedAt": "2025-04-30T05:34:10.330Z"
}
],
"nodes": [
{
"id": "49e474fa-d9a3-4a0f-b320-11969c3d4dae",
"name": "Flow Trigger",
"type": "n8n-nodes-base.executeWorkflowTrigger",
"position": [
-160,
120
],
"parameters": {},
"typeVersion": 1.1
},
{
"id": "66464934-d148-4039-8646-662e0ebda1d4",
"name": "Input",
"type": "n8n-nodes-base.set",
"notes": "channel_no: taxi, service_no: test",
"position": [
60,
120
],
"parameters": {},
"notesInFlow": true,
"typeVersion": 3.4
},
{
"id": "daf3f0fc-c17c-4e93-ba6a-c43c0d8c6687",
"name": "Test Trigger",
"type": "@n8n/n8n-nodes-langchain.chatTrigger",
"position": [
-160,
320
],
"parameters": {},
"typeVersion": 1.1
},
{
"id": "32364c53-2e89-4327-a895-967afdfb5436",
"name": "Test Fields",
"type": "n8n-nodes-base.set",
"position": [
60,
320
],
"parameters": {},
"typeVersion": 3.4
},
{
"id": "2d158e21-339f-46b3-b52f-4e42dd5f6496",
"name": "AI Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"onError": "continueErrorOutput",
"position": [
1980,
100
],
"parameters": {},
"typeVersion": 1.9
},
{
"id": "e775814b-0650-462f-9781-310d02b75d13",
"name": "Postgres Chat Memory",
"type": "@n8n/n8n-nodes-langchain.memoryPostgresChat",
"notes": "n8n_chat_memory\n{session_id}:{timestamp}:{channel_no}\n20 CHAT, EXPIRY 60m",
"position": [
1980,
360
],
"parameters": {},
"notesInFlow": true,
"typeVersion": 1.3
},
{
"id": "f5537e4a-2ae3-45dd-9a19-bc27eb4cb9d7",
"name": "Output",
"type": "n8n-nodes-base.set",
"position": [
2840,
140
],
"parameters": {},
"typeVersion": 3.4
},
{
"id": "056c0101-aaa7-4533-9301-d1049d065e35",
"name": "Update User Session",
"type": "n8n-nodes-base.redisTool",
"notes": "TTL 5m {session_id}:session",
"position": [
2420,
360
],
"parameters": {},
"notesInFlow": true,
"typeVersion": 1
},
{
"id": "058d0923-412f-4e9b-91e5-09eda956f07d",
"name": "xAI @grok-2-1212",
"type": "@n8n/n8n-nodes-langchain.lmChatXAiGrok",
"position": [
1820,
360
],
"parameters": {},
"typeVersion": 1
},
{
"id": "7af82c88-2d4e-48b7-b8ff-52f62afaead4",
"name": "Load User Memory",
"type": "n8n-nodes-base.postgresTool",
"notes": "n8n_user_memory",
"position": [
1860,
680
],
"parameters": {},
"notesInFlow": true,
"typeVersion": 2.6
},
{
"id": "d4a06f5b-8a06-4847-92f7-1ee87f60e5ac",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
320,
0
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "df348a93-5751-47bc-b684-c3e88a020b87",
"name": "If Service Cache",
"type": "n8n-nodes-base.if",
"position": [
760,
120
],
"parameters": {},
"typeVersion": 2.2
},
{
"id": "9c3aa803-8ac2-48cf-8f87-7804a76af490",
"name": "Service Cache",
"type": "n8n-nodes-base.redis",
"notes": "TTL 15m service:{channel_no}:{service_no}:data",
"onError": "continueRegularOutput",
"position": [
540,
120
],
"parameters": {},
"notesInFlow": true,
"typeVersion": 1
},
{
"id": "8af1b728-98ca-408c-9001-f0454c0a3c51",
"name": "Load Service Data",
"type": "n8n-nodes-base.postgres",
"onError": "continueRegularOutput",
"position": [
980,
300
],
"parameters": {},
"executeOnce": true,
"typeVersion": 2.6,
"alwaysOutputData": true
},
{
"id": "b5ab2ba7-e64f-4b12-b13e-a34cf6c8ea92",
"name": "Save Service Cache",
"type": "n8n-nodes-base.redis",
"notes": "TTL 15m",
"onError": "continueRegularOutput",
"position": [
1220,
520
],
"parameters": {},
"notesInFlow": true,
"typeVersion": 1
},
{
"id": "7b599293-b2e2-4379-8a1b-636be24af175",
"name": "If Active",
"type": "n8n-nodes-base.if",
"position": [
980,
540
],
"parameters": {},
"typeVersion": 2.2
},
{
"id": "a92b6285-7a99-4839-8212-22e7dba36453",
"name": "Inactive Output",
"type": "n8n-nodes-base.set",
"notes": "Service not available.",
"position": [
980,
980
],
"parameters": {},
"notesInFlow": true,
"typeVersion": 3.4
},
{
"id": "b9f413e3-1f28-4275-a23e-14b72e085ed0",
"name": "Service",
"type": "n8n-nodes-base.set",
"position": [
1220,
100
],
"parameters": {},
"typeVersion": 3.4
},
{
"id": "48693914-6738-41cb-a0bb-214212b9f5b3",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
-480,
60
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "1a562856-24ba-423c-9908-b054e570ae27",
"name": "Error Output",
"type": "n8n-nodes-base.set",
"notes": "Please retry.",
"position": [
1680,
980
],
"parameters": {},
"notesInFlow": true,
"typeVersion": 3.4
},
{
"id": "647b9d7b-a09f-403c-8273-9eae98ee5070",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
860,
880
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "08dc57ee-b1b3-4d4a-8f83-a6a125ea444f",
"name": "Save User Memory",
"type": "n8n-nodes-base.postgresTool",
"position": [
2020,
680
],
"parameters": {},
"typeVersion": 2.6
},
{
"id": "35d17795-0e79-41a5-b9aa-fdc17f42d399",
"name": "Create Route Data",
"type": "n8n-nodes-base.redisTool",
"notes": "TTL 5m {session_id}:{channel_id}:route",
"position": [
2480,
680
],
"parameters": {},
"notesInFlow": true,
"typeVersion": 1
},
{
"id": "0013383d-ae83-4dc6-a807-18c7a6a21efa",
"name": "Delete Route Data",
"type": "n8n-nodes-base.redis",
"notes": "{session_id}:{channel_no}:route",
"onError": "continueRegularOutput",
"position": [
1740,
100
],
"parameters": {},
"notesInFlow": true,
"typeVersion": 1
},
{
"id": "d6bbac8f-d959-4e2a-8f69-e652b5796060",
"name": "Route Data",
"type": "n8n-nodes-base.redis",
"notes": "TTL 5m {session_id}:{channel_id}:route",
"onError": "continueRegularOutput",
"position": [
2400,
80
],
"parameters": {},
"notesInFlow": true,
"typeVersion": 1
},
{
"id": "4bfe2d36-52fa-4d68-ad2d-dd40cf7b48b5",
"name": "If Route Data",
"type": "n8n-nodes-base.if",
"position": [
2600,
80
],
"parameters": {},
"typeVersion": 2.2
},
{
"id": "3271172c-3e41-4bd7-8296-385e33e16916",
"name": "Parse Route",
"type": "n8n-nodes-base.code",
"position": [
3040,
60
],
"parameters": {},
"typeVersion": 2
},
{
"id": "73903a6a-6a2e-4f69-81fa-4e6183d8e8d0",
"name": "Parse Service",
"type": "n8n-nodes-base.code",
"position": [
980,
100
],
"parameters": {},
"typeVersion": 2
},
{
"id": "8188696f-150a-4354-bdbc-58ed6c8fad19",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
3200,
280
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "35291999-36c5-408d-83d1-7c974cc5e46b",
"name": "Sticky Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
2200,
580
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "56352d75-f317-4689-9bef-a78f5aa653e9",
"name": "Sticky Note6",
"type": "n8n-nodes-base.stickyNote",
"position": [
1680,
580
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "5a8b070b-3d3f-4326-8b17-ac43776aba10",
"name": "Find Route Distance",
"type": "n8n-nodes-base.httpRequestTool",
"position": [
2320,
680
],
"parameters": {},
"typeVersion": 4.2
},
{
"id": "634aca25-fa0d-470a-b618-c2795d77853d",
"name": "Reset Session",
"type": "n8n-nodes-base.redis",
"notes": "TTL 5m {session_id}:session",
"onError": "continueRegularOutput",
"position": [
1520,
100
],
"parameters": {},
"notesInFlow": true,
"typeVersion": 1,
"alwaysOutputData": false
},
{
"id": "b1419db7-a6f4-427a-bbc1-bbd1d7e20dc9",
"name": "Switch",
"type": "n8n-nodes-base.switch",
"position": [
3420,
-100
],
"parameters": {},
"typeVersion": 3.2
},
{
"id": "01503d68-8207-4f7e-a0b7-76c07d1fa6c7",
"name": "English",
"type": "n8n-nodes-base.set",
"notes": "Enter 0 to cancel",
"position": [
3660,
80
],
"parameters": {},
"notesInFlow": true,
"typeVersion": 3.4
},
{
"id": "ba2866e0-ec75-4930-ab32-d8834fbe9f94",
"name": "Chinese",
"type": "n8n-nodes-base.set",
"notes": "\u5982\u9808\u53d6\u6d88\uff0c\u8f38\u51650",
"position": [
3660,
-300
],
"parameters": {},
"notesInFlow": true,
"typeVersion": 3.4
},
{
"id": "1f2383a9-1063-41e0-a93f-57892a0fb86c",
"name": "Japanese",
"type": "n8n-nodes-base.set",
"notes": "\u30ad\u30e3\u30f3\u30bb\u30eb\u3059\u308b\u5834\u5408\u306f0\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044",
"position": [
3660,
-100
],
"parameters": {},
"notesInFlow": true,
"typeVersion": 3.4
},
{
"id": "f3b11076-6ced-49d2-ad9f-8de13f7c5986",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
3300,
-340
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "c08bb122-dc7a-4a4d-ad0b-075e5ac5cc50",
"name": "Call Back",
"type": "n8n-nodes-base.executeWorkflow",
"notes": "Demo Call Back",
"position": [
2840,
980
],
"parameters": {},
"notesInFlow": true,
"typeVersion": 1.2
},
{
"id": "c074e29a-d4a2-4111-9a2a-1ca31ceb6bf4",
"name": "Taxi Service Provider",
"type": "n8n-nodes-base.executeWorkflow",
"notes": "Taxi Service Provider NO WAIT",
"onError": "continueRegularOutput",
"position": [
3320,
440
],
"parameters": {},
"notesInFlow": true,
"typeVersion": 1.2
}
],
"active": false,
"settings": {
"timezone": "Etc/UTC",
"callerPolicy": "workflowsFromSameOwner",
"errorWorkflow": "vuso7W8t402BPcT2",
"executionOrder": "v1"
},
"versionId": "62b3d769-578e-421a-867a-4ed9d50e1220",
"connections": {
"Input": {
"main": [
[
{
"node": "Service Cache",
"type": "main",
"index": 0
}
]
]
},
"Output": {
"main": [
[
{
"node": "Call Back",
"type": "main",
"index": 0
}
]
]
},
"Switch": {
"main": [
[
{
"node": "Chinese",
"type": "main",
"index": 0
}
],
[
{
"node": "Chinese",
"type": "main",
"index": 0
}
],
[
{
"node": "Chinese",
"type": "main",
"index": 0
}
],
[
{
"node": "Japanese",
"type": "main",
"index": 0
}
],
[
{
"node": "English",
"type": "main",
"index": 0
}
]
]
},
"Chinese": {
"main": [
[
{
"node": "Call Back",
"type": "main",
"index": 0
}
]
]
},
"English": {
"main": [
[
{
"node": "Call Back",
"type": "main",
"index": 0
}
]
]
},
"Service": {
"main": [
[
{
"node": "Reset Session",
"type": "main",
"index": 0
}
]
]
},
"AI Agent": {
"main": [
[
{
"node": "Route Data",
"type": "main",
"index": 0
}
],
[
{
"node": "Error Output",
"type": "main",
"index": 0
}
]
]
},
"Japanese": {
"main": [
[
{
"node": "Call Back",
"type": "main",
"index": 0
}
]
]
},
"If Active": {
"main": [
[
{
"node": "Save Service Cache",
"type": "main",
"index": 0
}
],
[
{
"node": "Inactive Output",
"type": "main",
"index": 0
}
]
]
},
"Route Data": {
"main": [
[
{
"node": "If Route Data",
"type": "main",
"index": 0
}
]
]
},
"Parse Route": {
"main": [
[
{
"node": "Taxi Service Provider",
"type": "main",
"index": 0
},
{
"node": "Switch",
"type": "main",
"index": 0
}
]
]
},
"Test Fields": {
"main": [
[
{
"node": "Input",
"type": "main",
"index": 0
}
]
]
},
"Error Output": {
"main": [
[
{
"node": "Call Back",
"type": "main",
"index": 0
}
]
]
},
"Flow Trigger": {
"main": [
[
{
"node": "Input",
"type": "main",
"index": 0
}
]
]
},
"Test Trigger": {
"main": [
[
{
"node": "Test Fields",
"type": "main",
"index": 0
}
]
]
},
"If Route Data": {
"main": [
[
{
"node": "Parse Route",
"type": "main",
"index": 0
}
],
[
{
"node": "Output",
"type": "main",
"index": 0
}
]
]
},
"Parse Service": {
"main": [
[
{
"node": "Service",
"type": "main",
"index": 0
}
]
]
},
"Reset Session": {
"main": [
[
{
"node": "Delete Route Data",
"type": "main",
"index": 0
}
]
]
},
"Service Cache": {
"main": [
[
{
"node": "If Service Cache",
"type": "main",
"index": 0
}
]
]
},
"Inactive Output": {
"main": [
[
{
"node": "Call Back",
"type": "main",
"index": 0
}
]
]
},
"If Service Cache": {
"main": [
[
{
"node": "Parse Service",
"type": "main",
"index": 0
}
],
[
{
"node": "Load Service Data",
"type": "main",
"index": 0
}
]
]
},
"Load User Memory": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Save User Memory": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"xAI @grok-2-1212": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Create Route Data": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Delete Route Data": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"Load Service Data": {
"main": [
[
{
"node": "If Active",
"type": "main",
"index": 0
}
]
]
},
"Save Service Cache": {
"main": [
[
{
"node": "Service",
"type": "main",
"index": 0
}
]
]
},
"Find Route Distance": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Update User Session": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Postgres Chat Memory": {
"ai_memory": [
[
{
"node": "AI Agent",
"type": "ai_memory",
"index": 0
}
]
]
}
}
}
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About this workflow
Template was created in n8n v1.90.2 Execute Sub-workflow Trigger node Chat Trigger node Redis node Postgres node AI Agent node If node, Switch node, Code node, Edit Fields (Set) Execute Sub-workflow Trigger: Taxi Service Workflow (or your own node) Sub-workflow: Taxi Service…
Source: https://n8n.io/workflows/4046/ — original creator credit. Request a take-down →
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