Julian Kaiser This workflow corresponds to n8n.io template #9307 — we link there as the canonical source.
This workflow follows the Chainllm → 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 →
{
"meta": {
"templateCredsSetupCompleted": true
},
"nodes": [
{
"id": "f34db366-b13a-43ac-8d4e-a52e3a7243dd",
"name": "When clicking \u2018Execute workflow\u2019",
"type": "n8n-nodes-base.manualTrigger",
"position": [
-432,
-256
],
"parameters": {},
"typeVersion": 1
},
{
"id": "e2386bfd-2803-4f40-8744-0c86aecfb167",
"name": "OpenRouter Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenRouter",
"position": [
1200,
-96
],
"parameters": {
"model": "google/gemini-2.5-flash-lite-preview-09-2025",
"options": {}
},
"credentials": {
"openRouterApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "fe6a1452-471c-4e2b-8c64-7d32e35bb33b",
"name": "Filter classification = null",
"type": "n8n-nodes-base.code",
"position": [
496,
-256
],
"parameters": {
"jsCode": "// Filter items where classification is null\nconst filteredItems = $input.all().filter(item => item.json.classification === null);\n\nreturn filteredItems;\n"
},
"typeVersion": 2
},
{
"id": "4153b802-af64-4ec1-b55e-2dcd41a8f038",
"name": "Get threads",
"type": "n8n-nodes-base.httpRequest",
"onError": "continueRegularOutput",
"position": [
720,
-256
],
"parameters": {
"url": "=https://desk.zoho.eu/api/v1/tickets/{{ $json.id }}/threads",
"options": {},
"sendQuery": true,
"sendHeaders": true,
"authentication": "genericCredentialType",
"genericAuthType": "oAuth2Api",
"queryParameters": {
"parameters": [
{
"name": "sortBy",
"value": "sendDateTime"
}
]
},
"headerParameters": {
"parameters": [
{}
]
}
},
"typeVersion": 4.2
},
{
"id": "f41d94a5-3070-4874-a72d-2ff28af6e4ca",
"name": "Get first thread",
"type": "n8n-nodes-base.httpRequest",
"onError": "continueRegularOutput",
"position": [
944,
-256
],
"parameters": {
"url": "=https://desk.zoho.eu/api/v1/tickets/{{ $('Filter classification = null').item.json.id }}/threads/{{ $json.data[0].id }}",
"options": {},
"sendQuery": true,
"authentication": "genericCredentialType",
"genericAuthType": "oAuth2Api",
"queryParameters": {
"parameters": [
{
"name": "include",
"value": "plainText"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "dba88e6c-e555-42d6-b0b6-b02c2f5ef977",
"name": "Classify",
"type": "@n8n/n8n-nodes-langchain.chainLlm",
"position": [
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],
"parameters": {
"text": "=**Role:** You are an expert support ticket classification system.\n\n**Task:** Read the provided ticket title and request body. Based on the content, classify the ticket into one of the following categories. Respond with only the single, most appropriate category name.\n\n**Categories:**\n\u2022 Content\n\u2022 Contract\n\u2022 Invoice\n\u2022 Featured Products\n\u2022 Affiliate-Partner\n\u2022 Bug\n\u2022 Feature\n\u2022 Other\n\n---\n\n**Ticket Title:**\n{{ $('Filter classification = null').item.json.subject }}\n\n**Ticket Request:**\n{{ $json.plainText }}\n\n**Category:**",
"batching": {},
"promptType": "define"
},
"typeVersion": 1.7
},
{
"id": "b14e73ba-0046-4395-9e26-f80014a3332a",
"name": "Update Ticket",
"type": "n8n-nodes-base.httpRequest",
"onError": "continueRegularOutput",
"position": [
1600,
-256
],
"parameters": {
"url": "=https://desk.zoho.eu/api/v1/tickets/{{ $('Filter classification = null').item.json.id }}",
"method": "PUT",
"options": {},
"sendBody": true,
"authentication": "genericCredentialType",
"bodyParameters": {
"parameters": [
{
"name": "classification",
"value": "={{ $json.text }}"
}
]
},
"genericAuthType": "oAuth2Api"
},
"typeVersion": 4.2
},
{
"id": "62d15c70-77fb-4947-a808-29e0c366e957",
"name": "Fetch All Tickets",
"type": "n8n-nodes-base.httpRequest",
"onError": "continueRegularOutput",
"position": [
48,
-256
],
"parameters": {
"url": "https://desk.zoho.eu/api/v1/tickets/search",
"options": {
"pagination": {
"pagination": {
"parameters": {
"parameters": [
{
"name": "from",
"value": "={{ $pageCount * 100 }}"
}
]
},
"completeExpression": "={{ $response.body.data.length === 0 || $response.body.data.length < 100 }}",
"paginationCompleteWhen": "other"
}
}
},
"sendQuery": true,
"authentication": "genericCredentialType",
"genericAuthType": "oAuth2Api",
"queryParameters": {
"parameters": [
{
"name": "limit",
"value": "100"
},
{
"name": "sortBy",
"value": "createdTime"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "4e551054-ffb2-4d4b-ba37-3b24045c9971",
"name": "Split Tickets",
"type": "n8n-nodes-base.splitOut",
"position": [
272,
-256
],
"parameters": {
"options": {},
"fieldToSplitOut": "data"
},
"typeVersion": 1
},
{
"id": "8e29f267-2cae-4429-8914-a58487d45840",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
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],
"parameters": {
"width": 368,
"height": 480,
"content": "## \ud83c\udfaf WORKFLOW PURPOSE\n\nAutomatically classifies Zoho Desk tickets using AI based on their title and content.\nProcesses all unclassified tickets in batches.\n"
},
"typeVersion": 1
},
{
"id": "4b6d79df-3535-4d37-b959-64f5642817eb",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-80,
-784
],
"parameters": {
"color": 7,
"width": 368,
"height": 480,
"content": "## \ud83d\udce5 FETCH TICKETS WITH PAGINATION\n- Retrieves 100 tickets per page\n- Automatically paginates through ALL results\n- Sorted by creation time\n\n## \ud83d\udd10 OAUTH2 SETUP\nSetting up OAuth2 with Zoho can be tricky! \nFollow my complete guide: https://gist.github.com/Julian194/7c0ef5abaa5e3850f2bcc0a51bcd4633\n\n## \u2699\ufe0f PAGINATION EXPLAINED\nThis demonstrates proper Zoho API pagination:\n- Uses 'from' parameter: {{ $pageCount * 100 }}\n- Stops when: data.length === 0 or < 100\n- This pattern works for all Zoho Desk paginated endpoints\n"
},
"typeVersion": 1
},
{
"id": "a019181e-7023-4002-b106-2635cf4ccf3d",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
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],
"parameters": {
"color": 7,
"width": 320,
"height": 480,
"content": "## \ud83d\udd0d FILTER LOGIC\nOnly processes tickets where 'classification' is empty/null.\nPrevents re-processing already classified tickets.\n\n## \ud83d\udca1 ALTERNATIVE APPROACH\nYou can filter directly in the API using query parameters instead!\nCheck the Zoho API docs for available filters.\nThis example shows client-side filtering for simplicity.\n\n"
},
"typeVersion": 1
},
{
"id": "33dbe4e2-6f94-41f9-bc39-2b57c3df728e",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
1104,
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],
"parameters": {
"color": 7,
"width": 368,
"height": 480,
"content": "## \ud83e\udd16 AI CLASSIFICATION CATEGORIES\n\u2022 Content\n\u2022 Contract\n\u2022 Invoice\n\u2022 Featured Products\n\u2022 Affiliate-Partner\n\u2022 Bug\n\u2022 Feature\n\u2022 Other\n\n## \u270f\ufe0f CUSTOMIZE FOR YOUR USE CASE\nChange these categories to match your business needs!\nYou can also modify the prompt to classify different aspects \n(urgency, department, product type, etc.)\n\n"
},
"typeVersion": 1
},
{
"id": "57d25075-78d6-42cc-8415-9a51c8c7883e",
"name": "Sticky Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
1536,
-512
],
"parameters": {
"color": 7,
"width": 272,
"height": 208,
"content": "## \ud83d\udcbe SAVE CLASSIFICATION\nUpdates the Zoho Desk ticket with the AI-generated classification.\nError handling enabled to continue processing other tickets if one fails.\n"
},
"typeVersion": 1
}
],
"connections": {
"Classify": {
"main": [
[
{
"node": "Update Ticket",
"type": "main",
"index": 0
}
]
]
},
"Get threads": {
"main": [
[
{
"node": "Get first thread",
"type": "main",
"index": 0
}
]
]
},
"Split Tickets": {
"main": [
[
{
"node": "Filter classification = null",
"type": "main",
"index": 0
}
]
]
},
"Get first thread": {
"main": [
[
{
"node": "Classify",
"type": "main",
"index": 0
}
]
]
},
"Fetch All Tickets": {
"main": [
[
{
"node": "Split Tickets",
"type": "main",
"index": 0
}
]
]
},
"OpenRouter Chat Model": {
"ai_languageModel": [
[
{
"node": "Classify",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Filter classification = null": {
"main": [
[
{
"node": "Get threads",
"type": "main",
"index": 0
}
]
]
},
"When clicking \u2018Execute workflow\u2019": {
"main": [
[
{
"node": "Fetch All Tickets",
"type": "main",
"index": 0
}
]
]
}
}
}
Credentials you'll need
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openRouterApi
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About this workflow
Transform your customer support workflow with intelligent ticket classification. This automation leverages AI to automatically categorize incoming support tickets in Zoho Desk, reducing manual work and ensuring faster ticket routing to the right teams. Fetches all tickets from…
Source: https://n8n.io/workflows/9307/ — original creator credit. Request a take-down →
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