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": "CrudApiDelete",
"nodes": [
{
"parameters": {
"httpMethod": "DELETE",
"path": "api/messages/:id",
"responseMode": "responseNode",
"options": {}
},
"type": "n8n-nodes-base.webhook",
"typeVersion": 2.1,
"position": [
-80,
0
],
"id": "4adf4004-711c-4367-a8e0-f8eeff388f3b",
"name": "Webhook"
},
{
"parameters": {
"queue": "Crud_Delete",
"options": {}
},
"type": "n8n-nodes-base.rabbitmq",
"typeVersion": 1.1,
"position": [
912,
0
],
"id": "0e4483f4-cad7-4929-8d8e-d1324b068b6c",
"name": "RabbitMQ",
"credentials": {
"rabbitmq": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"respondWith": "json",
"responseBody": "{\n \"type\": \"https://example.com/probs/internal-error\",\n \"title\": \"Internal Server Error\",\n \"status\": 500,\n \"detail\": \"Ocorreu um erro interno inesperado ao processar sua solicita\u00e7\u00e3o.\",\n \"instance\": \"/api/messages\",\n \"request_id\": \"req_xyz987\"\n}",
"options": {
"responseCode": 500
}
},
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.4,
"position": [
272,
144
],
"id": "32f7db19-63df-44dd-bcbf-b27c6f94f811",
"name": "error_500"
},
{
"parameters": {
"jsCode": "const item = $input.item;\n\nif(item.json === undefined || item.json === null){\n item.json = {};\n}\n\n\nconst crypto = require('crypto');\n\nconst secretKey = 'seu-segredo-secreto';\n\nfunction base64UrlDecode(data) {\n let base64 = data.replace(/-/g, '+').replace(/_/g, '/');\n \n while (base64.length % 4) {\n base64 += '=';\n }\n return Buffer.from(base64, 'base64').toString('utf8');\n}\n\n\ntry {\n \n const authHeader = $json.headers['authorization'];\n\n if (!authHeader || !authHeader.startsWith('Bearer ')) {\n throw new Error('Authorization header missing or invalid');\n }\n\n \n const token = authHeader.split(' ')[1];\n\n \n const [encodedHeader, encodedPayload, signature] = token.split('.');\n\n if (!encodedHeader || !encodedPayload || !signature) {\n throw new Error('Invalid token format');\n }\n\n \n const dataToSign = `${encodedHeader}.${encodedPayload}`;\n const expectedSignature = crypto\n .createHmac('sha256', secretKey)\n .update(dataToSign)\n .digest('base64url');\n\n \n const sigBuffer = Buffer.from(signature, 'base64url');\n const expectedSigBuffer = Buffer.from(expectedSignature, 'base64url');\n\n if (sigBuffer.length !== expectedSigBuffer.length || !crypto.timingSafeEqual(sigBuffer, expectedSigBuffer)) {\n throw new Error('Invalid signature');\n }\n\n \n const payload = JSON.parse(base64UrlDecode(encodedPayload));\n const nowInSeconds = Math.floor(Date.now() / 1000);\n\n if (payload.exp < nowInSeconds) {\n throw new Error('Token has expired');\n }\n\n \n item.json.auth_user = payload;\n item.json.isValid = true;\n\n} catch (Error) {\n\n item.json.isValid = false;\n item.json.errorDetails = Error.message;\n}\n\nreturn item;"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
96,
0
],
"id": "0ca41e55-2854-4cea-9ab0-f6265873df59",
"name": "token_Validation",
"onError": "continueErrorOutput"
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "6ee1deb8-ade6-4e8c-98e3-ff69028b1eb1",
"leftValue": "={{ $json.isValid }}",
"rightValue": "",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
}
}
],
"combinator": "and"
},
"options": {}
},
"type": "n8n-nodes-base.if",
"typeVersion": 2.2,
"position": [
272,
0
],
"id": "18d0a073-aa9b-4cb1-99c1-babf110a3dd7",
"name": "token_Is_Valid"
},
{
"parameters": {
"jsCode": "\nconst uuidRegex = /^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$/;\n\nconst returnItems = [];\n\nfor (const item of $input.all()) {\n try {\n \n if (item.json === undefined || item.json === null) {\n item.json = {};\n }\n \n \n const id = item.json.params.id;\n \n \n if (!id || !uuidRegex.test(id)) {\n item.json.id_validation_error = {\n type: \"https://example.com/probs/invalid-parameter\",\n title: \"Invalid Parameter\",\n status: 400,\n detail: \"The 'id' parameter in the URL is missing or not a valid UUID.\",\n instance: item.json.webhookUrl || 'webhookUrl_not_found'\n };\n } else {\n item.json.id_validation_error = null;\n }\n \n } catch (error) {\n item.json.id_validation_error = {\n type: \"https://example.com/probs/internal-error\",\n title: \"Internal Server Error\",\n status: 500,\n detail: \"An unexpected error occurred during ID validation: \" + error.message\n };\n }\n\n returnItems.push(item);\n}\n\n\nreturn returnItems;"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
496,
0
],
"id": "a3eac238-856e-47b5-8f55-fd494fefdaf5",
"name": "id_Validation",
"onError": "continueErrorOutput"
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "bb2fa213-a725-4dbc-9e0e-c142d71a68af",
"leftValue": "={{ $json.id_validation_error }}",
"rightValue": "",
"operator": {
"type": "string",
"operation": "notEmpty",
"singleValue": true
}
}
],
"combinator": "and"
},
"options": {}
},
"type": "n8n-nodes-base.if",
"typeVersion": 2.2,
"position": [
704,
0
],
"id": "086de467-e047-491f-88c3-357d587689db",
"name": "id_Validation_Error_Is_Not_Empty"
},
{
"parameters": {
"respondWith": "json",
"responseBody": "{\n\"type\": \"https://example.com/probs/invalid-input\",\n \"title\": \"Invalid id\",\n \"status\": 400,\n \"detail\": \"One or more fields failed validation\",\n \"instance\": \"/api/messages/:id\"}",
"options": {
"responseCode": 400
}
},
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.4,
"position": [
912,
144
],
"id": "54eca7dd-4a16-4330-8537-9ff262f4ffb9",
"name": "error_400"
},
{
"parameters": {
"respondWith": "json",
"responseBody": "{\n \"title\": \"unauthorized\",\n \"status\": 401,\n \"detail\": \"invalid or expired token\"\n}",
"options": {
"responseCode": 401
}
},
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.4,
"position": [
496,
144
],
"id": "1ed43445-15f7-49f4-b330-91e55a694678",
"name": "error_401"
},
{
"parameters": {
"respondWith": "json",
"responseBody": "{\n \"type\": \"https://example.com/probs/internal-error\",\n \"title\": \"Internal Server Error\",\n \"status\": 500,\n \"detail\": \"Ocorreu um erro interno inesperado ao processar sua solicita\u00e7\u00e3o.\",\n \"instance\": \"/api/messages\",\n \"request_id\": \"req_xyz987\"\n}",
"options": {
"responseCode": 500
}
},
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.4,
"position": [
704,
144
],
"id": "79313418-d4c6-423b-bec2-2d180598fa51",
"name": "error_500_"
},
{
"parameters": {
"respondWith": "json",
"responseBody": "{\n \"status\": 202,\n \"title\": \"accepted\"\n}",
"options": {
"responseCode": 202
}
},
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.4,
"position": [
1104,
0
],
"id": "7a1d4561-538d-4a46-9abb-93ac200119d2",
"name": "accepted_202"
}
],
"connections": {
"Webhook": {
"main": [
[
{
"node": "token_Validation",
"type": "main",
"index": 0
}
]
]
},
"RabbitMQ": {
"main": [
[
{
"node": "accepted_202",
"type": "main",
"index": 0
}
]
]
},
"token_Validation": {
"main": [
[
{
"node": "token_Is_Valid",
"type": "main",
"index": 0
}
],
[
{
"node": "error_500",
"type": "main",
"index": 0
}
]
]
},
"token_Is_Valid": {
"main": [
[
{
"node": "id_Validation",
"type": "main",
"index": 0
}
],
[
{
"node": "error_401",
"type": "main",
"index": 0
}
]
]
},
"id_Validation": {
"main": [
[
{
"node": "id_Validation_Error_Is_Not_Empty",
"type": "main",
"index": 0
}
],
[
{
"node": "error_500_",
"type": "main",
"index": 0
}
]
]
},
"id_Validation_Error_Is_Not_Empty": {
"main": [
[
{
"node": "error_400",
"type": "main",
"index": 0
}
],
[
{
"node": "RabbitMQ",
"type": "main",
"index": 0
}
]
]
}
},
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "d55fb305-7a1c-4a3f-8dce-3dc0f8899e4f",
"meta": {
"templateCredsSetupCompleted": true
},
"id": "OqEKBj7ov7ZGebfW",
"tags": []
}
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.
rabbitmq
Pro
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About this workflow
CrudApiDelete. Uses rabbitmq. Webhook trigger; 11 nodes.
Source: https://github.com/marleytw/Teste-Tecnico-crud-n8n-react/blob/cd676d13ca1c1fa22e1df92d2c04475eb294cb5d/N8n/ApiDelete.json — original creator credit. Request a take-down →
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