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": "Delete - KB",
"nodes": [
{
"parameters": {
"httpMethod": "DELETE",
"path": "/kb/delete",
"authentication": "headerAuth",
"responseMode": "responseNode",
"options": {}
},
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
-1940,
100
],
"id": "0db1c87c-4fac-4450-9c15-9ef22375e156",
"name": "Webhook",
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "e928902e-f8b6-4e16-94c0-f9e7cdb3d4e2",
"leftValue": "={{ $json.body.hash_id }}",
"rightValue": 0,
"operator": {
"type": "string",
"operation": "exists",
"singleValue": true
}
}
],
"combinator": "and"
},
"options": {}
},
"type": "n8n-nodes-base.if",
"typeVersion": 2.2,
"position": [
-1720,
100
],
"id": "cf9bf4f7-fc6b-479a-b2b5-f3b11e9d02ce",
"name": "check_payload1"
},
{
"parameters": {
"respondWith": "json",
"responseBody": "{\n \"status\": \"error\",\n \"reason\": \"invalid input\"\n}",
"options": {}
},
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.2,
"position": [
-1320,
280
],
"id": "9a7f04e6-9399-4345-a9d0-160cc968b3c4",
"name": "respond_error_invalid_response"
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "e928902e-f8b6-4e16-94c0-f9e7cdb3d4e2",
"leftValue": "={{ Number($json.count) }}",
"rightValue": 0,
"operator": {
"type": "number",
"operation": "gt"
}
}
],
"combinator": "and"
},
"options": {}
},
"type": "n8n-nodes-base.if",
"typeVersion": 2.2,
"position": [
-1100,
-60
],
"id": "379b935b-7afc-4b9e-a8c6-e7c39eb20168",
"name": "If"
},
{
"parameters": {
"operation": "executeQuery",
"query": "select count(*) from enlaight_knowledge_bases where hash_id = '{{ $('Webhook').item.json.body.hash_id }}';",
"options": {}
},
"type": "n8n-nodes-base.postgres",
"typeVersion": 2.6,
"position": [
-1320,
-60
],
"id": "daf947d6-1d5b-4dee-81bf-95ccfebb785f",
"name": "enlaight_knowledge_bases4",
"alwaysOutputData": true,
"credentials": {
"postgres": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"respondWith": "json",
"responseBody": "{\n \"status\": \"error\",\n \"reason\": \"knowledge base does not exist\"\n}",
"options": {}
},
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.2,
"position": [
-780,
80
],
"id": "7bf6e743-b08b-4a68-b30f-294d53962c3a",
"name": "respond_error_kb_does_not_exists1"
},
{
"parameters": {
"respondWith": "json",
"responseBody": "{\n \"status\": \"error\",\n \"reason\": \"Error while editing knowledge base\"\n}",
"options": {}
},
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.2,
"position": [
-440,
-80
],
"id": "9ee7975b-b1f8-4c26-a67e-1a185c84c04a",
"name": "respond_error_while_creating1"
},
{
"parameters": {
"respondWith": "json",
"responseBody": "={\n \"status\": \"success\",\n \"hash_id\": \"{{ $('Webhook').item.json.body.hash_id }}\"\n}",
"options": {}
},
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.2,
"position": [
-440,
-320
],
"id": "1b1f878d-eb43-48f7-9d1a-494bf93f7919",
"name": "Respond to Webhook"
},
{
"parameters": {
"operation": "deleteTable",
"schema": {
"__rl": true,
"mode": "list",
"value": "public"
},
"table": {
"__rl": true,
"value": "enlaight_knowledge_bases",
"mode": "list",
"cachedResultName": "enlaight_knowledge_bases"
},
"deleteCommand": "delete",
"where": {
"values": [
{
"column": "hash_id",
"value": "={{ $('Webhook').item.json.body.hash_id }}"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.postgres",
"typeVersion": 2.6,
"position": [
-780,
-200
],
"id": "36452b71-4d89-4a1b-8f1f-02b7fe2effd7",
"name": "enlaight_knowledge_bases1",
"credentials": {
"postgres": {
"name": "<your credential>"
}
},
"onError": "continueErrorOutput"
}
],
"connections": {
"Webhook": {
"main": [
[
{
"node": "check_payload1",
"type": "main",
"index": 0
}
]
]
},
"check_payload1": {
"main": [
[
{
"node": "enlaight_knowledge_bases4",
"type": "main",
"index": 0
}
],
[
{
"node": "respond_error_invalid_response",
"type": "main",
"index": 0
}
]
]
},
"enlaight_knowledge_bases4": {
"main": [
[
{
"node": "If",
"type": "main",
"index": 0
}
]
]
},
"If": {
"main": [
[
{
"node": "enlaight_knowledge_bases1",
"type": "main",
"index": 0
}
],
[
{
"node": "respond_error_kb_does_not_exists1",
"type": "main",
"index": 0
}
]
]
},
"enlaight_knowledge_bases1": {
"main": [
[
{
"node": "Respond to Webhook",
"type": "main",
"index": 0
}
],
[
{
"node": "respond_error_while_creating1",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1"
},
"meta": {
"templateCredsSetupCompleted": true
}
}
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.
httpHeaderAuthpostgres
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About this workflow
Delete - KB. Uses postgres. Webhook trigger; 9 nodes.
Source: https://github.com/enlaight/enlaight/blob/04027508197164b5997e829782074b22eab971f9/n8n/workflows/delete-kb.json — original creator credit. Request a take-down →
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