Khaisa Studio This workflow corresponds to n8n.io template #8075 — 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": "jDUtQ2fgs8EOqU95",
"name": "Promo Seeker",
"tags": [],
"nodes": [
{
"id": "a18c8dd2-bcd0-4827-a0cd-14655042faa1",
"name": "SerpAPI",
"type": "@n8n/n8n-nodes-langchain.toolSerpApi",
"position": [
224,
496
],
"parameters": {
"options": {}
},
"credentials": {
"serpApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "387c922c-1079-4851-9ad1-5f7d40a0ddb6",
"name": "Message",
"type": "@n8n/n8n-nodes-langchain.chatTrigger",
"position": [
-272,
288
],
"parameters": {
"options": {}
},
"typeVersion": 1.3
},
{
"id": "dd79d174-dc45-4e40-81c6-a57c511f85dd",
"name": "Gpt 5 Mini",
"type": "@n8n/n8n-nodes-langchain.lmChatAzureOpenAi",
"position": [
-208,
496
],
"parameters": {
"model": "gpt5mini",
"options": {}
},
"credentials": {
"azureOpenAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "7e9b5e7f-4c6b-49b5-932a-153eea9d3a51",
"name": "Chat Memory",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
-64,
496
],
"parameters": {},
"typeVersion": 1.3
},
{
"id": "002588a9-78fc-43f1-a8cf-d9025c9b40a0",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
352,
240
],
"parameters": {
"color": 5,
"width": 464,
"height": 656,
"content": "## How to Get Credentials \n\n### 1. SerpAPI Node\n\n- Go to [SerpAPI](https://serpapi.com/) and sign up.\n- After logging in, find your **API Key** in your dashboard.\n- In n8n, go to **Credentials** > **Create New** > **SerpAPI**.\n- Paste your API Key and save.\n\n### 2. Azure OpenAI (Gpt 5 Mini) Node\n\n- Go to [Azure Portal](https://portal.azure.com/) and create an Azure OpenAI resource.\n- In your resource, go to **Keys and Endpoint**.\n- Copy your **API Key** and **Endpoint URL**.\n- In n8n, go to **Credentials** > **Create New** > **Azure OpenAI API**.\n- Enter your API Key and Endpoint, then save.\n\n### 3. Decodo Scrapper Node\n\n- Go to [Decodo](https://dashboard.decodo.com/register) and sign up\n- Navigate to \"Scraping\" in the left panel and register for a 7-day free trial of Advanced plan\n- Find the user credentials in the scraper page.\n---\n**Note:** \nKeep your API keys secure and never share them publicly.\n"
},
"typeVersion": 1
},
{
"id": "90dbb80a-9f8d-489c-9447-51867cae9557",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-352,
656
],
"parameters": {
"width": 672,
"height": 240,
"content": "## How This Workflow Works (Sticky Note)\n\n- This workflow is designed to help you find valid and working promo codes and vouchers from across the internet.\n- When you send a message, the AI Agent uses search tools (SerpAPI, Decodo Scrapper API) to look for the latest discounts and vouchers.\n- The AI Agent checks and filters results to show only new and active promos.\n- All results are displayed in the chat for easy access.\n- Just type what kind of promo you want and let the workflow do the rest!"
},
"typeVersion": 1
},
{
"id": "b50e4a97-1ace-4f73-9b39-9987f5e3aa9c",
"name": "Promo Seeker Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
-80,
288
],
"parameters": {
"options": {
"systemMessage": "you are a voucher and discount seeker expert. use provided tools to find a new, valid and working voucher accross internet"
}
},
"typeVersion": 2.2
},
{
"id": "67c40717-c9f4-454d-a053-5b3575aae727",
"name": "Decodo Scrapper API",
"type": "@decodo/n8n-nodes-decodo.decodoTool",
"position": [
80,
496
],
"parameters": {},
"credentials": {
"decodoApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "b707f228-36f1-4983-b7c8-73f2266fba09",
"connections": {
"Message": {
"main": [
[
{
"node": "Promo Seeker Agent",
"type": "main",
"index": 0
}
]
]
},
"SerpAPI": {
"ai_tool": [
[
{
"node": "Promo Seeker Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Gpt 5 Mini": {
"ai_languageModel": [
[
{
"node": "Promo Seeker Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Chat Memory": {
"ai_memory": [
[
{
"node": "Promo Seeker Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"Decodo Scrapper API": {
"ai_tool": [
[
{
"node": "Promo Seeker Agent",
"type": "ai_tool",
"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.
azureOpenAiApidecodoApiserpApi
For the full experience including quality scoring and batch install features for each workflow upgrade to Pro
About this workflow
Promo Seeker finds fresh, working promo codes and vouchers on the web so your team never misses a deal.
Source: https://n8n.io/workflows/8075/ — original creator credit. Request a take-down →
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