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": "Rental Price Estimator",
"nodes": [
{
"parameters": {
"content": "## Rental Price Estimator",
"height": 520,
"width": 1100
},
"id": "522a1c32-482c-4ac3-83bf-a8ae38f035e9",
"name": "Sticky",
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
-500,
-250
]
},
{
"parameters": {
"httpMethod": "POST",
"path": "rental_price_estimator"
},
"id": "8b1409f9-abae-4c17-8049-ef854d2875b4",
"name": "Webhook",
"type": "n8n-nodes-base.webhook",
"typeVersion": 1,
"position": [
-300,
0
]
},
{
"parameters": {
"chunkSize": 400,
"chunkOverlap": 40
},
"id": "75e1adde-fad5-43b1-aff6-61a6f37dd10c",
"name": "Splitter",
"type": "@n8n/n8n-nodes-langchain.textSplitterCharacterTextSplitter",
"typeVersion": 1,
"position": [
-100,
0
]
},
{
"parameters": {
"model": "default"
},
"id": "cfaa3081-4cb7-412b-83c0-8dcc28a25224",
"name": "Embeddings",
"type": "@n8n/n8n-nodes-langchain.embeddingsCohere",
"typeVersion": 1,
"position": [
100,
0
],
"credentials": {
"cohereApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"mode": "insert",
"indexName": "rental_price_estimator"
},
"id": "50813f68-ed6d-46b4-81bd-c44b22b4b378",
"name": "Insert",
"type": "@n8n/n8n-nodes-langchain.vectorStoreSupabase",
"typeVersion": 1,
"position": [
300,
0
],
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"indexName": "rental_price_estimator"
},
"id": "654d535f-97a6-42b2-8f62-fc5ee805807e",
"name": "Query",
"type": "@n8n/n8n-nodes-langchain.vectorStoreSupabase",
"typeVersion": 1,
"position": [
300,
-180
],
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"name": "Supabase"
},
"id": "dfeb7f91-ab52-42b5-b776-1fd67d9fbd79",
"name": "Tool",
"type": "@n8n/n8n-nodes-langchain.toolVectorStore",
"typeVersion": 1,
"position": [
480,
-180
]
},
{
"parameters": {},
"id": "3614aecd-22e9-449b-8368-8e238c50faa9",
"name": "Memory",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"typeVersion": 1.3,
"position": [
480,
-40
]
},
{
"parameters": {},
"id": "bc73d731-23d4-4294-ad6c-c8a6efe5e7e4",
"name": "Chat",
"type": "@n8n/n8n-nodes-langchain.lmChatAnthropic",
"typeVersion": 1,
"position": [
480,
-340
],
"credentials": {
"anthropicApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"promptType": "define",
"text": "={{ $json }}"
},
"id": "18a6cf50-4848-4e94-bf5a-c7638f772ab7",
"name": "Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 1,
"position": [
760,
-40
]
},
{
"parameters": {
"operation": "append",
"documentId": "SHEET_ID",
"sheetName": "Log"
},
"id": "3ba0b33e-9b94-4e0f-82a1-a51408b9ad0d",
"name": "Sheet",
"type": "n8n-nodes-base.googleSheets",
"typeVersion": 4,
"position": [
960,
-40
],
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
}
}
],
"connections": {
"Webhook": {
"main": [
[
{
"node": "Splitter",
"type": "main",
"index": 0
},
{
"node": "Memory",
"type": "main",
"index": 0
}
]
]
},
"Splitter": {
"main": [
[
{
"node": "Embeddings",
"type": "main",
"index": 0
}
]
],
"ai_textSplitter": [
[
{
"node": "Insert",
"type": "ai_textSplitter",
"index": 0
}
]
]
},
"Embeddings": {
"ai_embedding": [
[
{
"node": "Insert",
"type": "ai_embedding",
"index": 0
},
{
"node": "Query",
"type": "ai_embedding",
"index": 0
}
]
]
},
"Insert": {
"ai_document": [
[]
]
},
"Query": {
"ai_vectorStore": [
[
{
"node": "Tool",
"type": "ai_vectorStore",
"index": 0
}
]
]
},
"Tool": {
"ai_tool": [
[
{
"node": "Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Memory": {
"ai_memory": [
[
{
"node": "Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"Chat": {
"ai_languageModel": [
[
{
"node": "Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Agent": {
"main": [
[
{
"node": "Sheet",
"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.
anthropicApicohereApigoogleSheetsOAuth2ApisupabaseApi
About this workflow
Rental Price Estimator. Uses stickyNote, textSplitterCharacterTextSplitter, embeddingsCohere, vectorStoreSupabase. Webhook trigger; 11 nodes.
Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →