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": "technical-test-chat2desk-message-api",
"nodes": [
{
"parameters": {
"httpMethod": "POST",
"path": "api/auth/login",
"responseMode": "lastNode",
"options": {}
},
"id": "e92ef725-05bf-4630-b3df-f9d6d03b53c6",
"name": "Webhook Login",
"type": "n8n-nodes-base.webhook",
"typeVersion": 1,
"position": [
0,
0
],
"alwaysOutputData": true
},
{
"parameters": {
"functionCode": "const jwt = require('jsonwebtoken');\n\n// Pega input do Webhook\nconst input = $json[0] || $items()[0].json;\nconst { username, password } = input.body || input;\n\n// 1. Valida\u00e7\u00e3o de campos\nif (!username || !password) {\n return [{\n json: {\n type: \"https://example.com/probs/invalid-input\",\n title: \"Invalid input\",\n status: 400,\n detail: \"username and password required\",\n instance: \"/api/auth/login\"\n }\n }];\n}\n\n// 2. Usu\u00e1rio dummy\nconst DUMMY_USER = \"candidate\";\nconst DUMMY_PASS = \"secret\";\n\nif (username !== DUMMY_USER || password !== DUMMY_PASS) {\n return [{\n json: {\n type: \"https://example.com/probs/invalid-input\",\n title: \"Invalid credentials\",\n status: 401,\n detail: \"Username or password is incorrect\",\n instance: \"/api/auth/login\"\n }\n }];\n}\n\n// 3. Criar JWT\nconst token = jwt.sign(\n { username },\n process.env.JWT_SECRET || 'minha_chave_teste',\n { expiresIn: 3600 }\n);\n\n// 4. Retornar JSON para Postman\nreturn [{\n json: {\n accessToken: token,\n tokenType: \"Bearer\",\n expiresIn: 3600\n }\n}];\n"
},
"id": "5737d0ee-97b9-42d0-bcba-3f6db7c4ee58",
"name": "Login Function (JWT)",
"type": "n8n-nodes-base.function",
"typeVersion": 1,
"position": [
304,
0
]
},
{
"parameters": {
"path": "messages",
"responseMode": "responseNode",
"options": {}
},
"id": "9b1307fa-ba6e-409d-8413-70417fecabd5",
"name": "Webhook GET Messages",
"type": "n8n-nodes-base.webhook",
"typeVersion": 1,
"position": [
-16,
432
]
},
{
"parameters": {
"operation": "getAll",
"tableId": "messages"
},
"id": "ee0eb23c-61c0-4385-a759-712a07275cc3",
"name": "Supabase Select Messages",
"type": "n8n-nodes-base.supabase",
"typeVersion": 1,
"position": [
304,
432
],
"alwaysOutputData": true,
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"httpMethod": "POST",
"path": "api/messages/",
"responseMode": "responseNode",
"options": {}
},
"id": "f604d966-6657-4b9a-8399-d1b8d6618d8c",
"name": "Webhook POST Message",
"type": "n8n-nodes-base.webhook",
"typeVersion": 1,
"position": [
0,
224
]
},
{
"parameters": {
"tableId": "messages",
"fieldsUi": {
"fieldValues": [
{
"fieldId": "title",
"fieldValue": "={{$json[\"body\"][\"title\"]}}"
},
{
"fieldId": "body",
"fieldValue": "={{$json[\"body\"][\"body\"]}}"
},
{
"fieldId": "author",
"fieldValue": "={{$json[\"body\"][\"author\"]}}"
},
{
"fieldId": "status",
"fieldValue": "={{$json[\"body\"][\"status\"]}}"
}
]
}
},
"id": "49ea5e5f-0c83-48c5-82aa-debb12c9b7c9",
"name": "Supabase Insert Message",
"type": "n8n-nodes-base.supabase",
"typeVersion": 1,
"position": [
304,
224
],
"alwaysOutputData": true,
"executeOnce": false,
"retryOnFail": false,
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"path": "api/messages/:id",
"responseMode": "lastNode",
"options": {}
},
"id": "27507844-2d81-4313-922c-636c821cf6f1",
"name": "Webhook GET Message by ID",
"type": "n8n-nodes-base.webhook",
"typeVersion": 1,
"position": [
0,
640
]
},
{
"parameters": {
"operation": "get",
"tableId": "messages",
"filters": {
"conditions": [
{
"keyName": "id",
"keyValue": "={{ $json.params.id }}"
}
]
}
},
"id": "9c754af0-e48a-4c04-8fb0-22a02c098ffe",
"name": "Supabase Get by ID",
"type": "n8n-nodes-base.supabase",
"typeVersion": 1,
"position": [
304,
640
],
"alwaysOutputData": true,
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"httpMethod": "PUT",
"path": "api/messages/:id",
"responseMode": "lastNode",
"options": {}
},
"id": "46fd8433-dfec-4a03-9530-76340ad3d142",
"name": "Webhook PUT Message",
"type": "n8n-nodes-base.webhook",
"typeVersion": 1,
"position": [
0,
848
]
},
{
"parameters": {
"operation": "update",
"tableId": "messages",
"filters": {
"conditions": [
{
"keyName": "id",
"condition": "eq",
"keyValue": "={{ $json.params.id }}"
}
]
},
"fieldsUi": {
"fieldValues": [
{
"fieldId": "title",
"fieldValue": "={{ $json.body.title }}"
},
{
"fieldId": "body",
"fieldValue": "={{ $json.body.body }}"
},
{
"fieldId": "status",
"fieldValue": "={{ $json.body.status }}"
}
]
}
},
"id": "427f2068-5677-4ff6-9511-941b6eaaf9dd",
"name": "Supabase Update Message",
"type": "n8n-nodes-base.supabase",
"typeVersion": 1,
"position": [
304,
848
],
"alwaysOutputData": true,
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"httpMethod": "DELETE",
"path": "api/messages/:id",
"responseMode": "lastNode",
"options": {}
},
"id": "2a996219-cc85-4f0b-a488-4f24ee353f10",
"name": "Webhook DELETE Message",
"type": "n8n-nodes-base.webhook",
"typeVersion": 1,
"position": [
0,
1072
]
},
{
"parameters": {
"operation": "delete",
"tableId": "messages",
"filters": {
"conditions": [
{
"keyName": "id",
"condition": "eq",
"keyValue": "={{ $json.params.id }}"
}
]
}
},
"id": "68755ab6-f26e-4d71-bd21-8031d5434572",
"name": "Supabase Delete Message",
"type": "n8n-nodes-base.supabase",
"typeVersion": 1,
"position": [
304,
1072
],
"alwaysOutputData": true,
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"respondWith": "json",
"responseBody": "={{ $items() }}",
"options": {
"responseCode": 200
}
},
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.4,
"position": [
512,
432
],
"id": "5492c2d0-c5d5-40a3-957f-d5f948ffca5c",
"name": "Respond to Webhook"
}
],
"connections": {
"Webhook Login": {
"main": [
[
{
"node": "Login Function (JWT)",
"type": "main",
"index": 0
}
]
]
},
"Webhook GET Messages": {
"main": [
[
{
"node": "Supabase Select Messages",
"type": "main",
"index": 0
}
]
]
},
"Webhook POST Message": {
"main": [
[
{
"node": "Supabase Insert Message",
"type": "main",
"index": 0
}
]
]
},
"Webhook GET Message by ID": {
"main": [
[
{
"node": "Supabase Get by ID",
"type": "main",
"index": 0
}
]
]
},
"Webhook PUT Message": {
"main": [
[
{
"node": "Supabase Update Message",
"type": "main",
"index": 0
}
]
]
},
"Webhook DELETE Message": {
"main": [
[
{
"node": "Supabase Delete Message",
"type": "main",
"index": 0
}
]
]
},
"Supabase Select Messages": {
"main": [
[
{
"node": "Respond to Webhook",
"type": "main",
"index": 0
}
]
]
}
},
"active": true,
"settings": {
"executionOrder": "v1"
},
"versionId": "de5f275a-511f-4ab6-889f-294690c0f9dc",
"meta": {
"templateCredsSetupCompleted": true
},
"id": "uDKcthYEmcHy75zs",
"tags": []
}
Credentials you'll need
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supabaseApi
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About this workflow
technical-test-chat2desk-message-api. Uses supabase. Webhook trigger; 13 nodes.
Source: https://github.com/luixsouza/technical-test-chat2desk/blob/b6a8310c1f2f5ba440872873e5c01aed77271152/n8n/flows.json — original creator credit. Request a take-down →
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