This workflow follows the HTTP Request → Slack recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
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{
"name": "[DEPRECATED \u2014 use portal-internal-activity] T+0 \u2014 Onboarding Intake Received (writes chatbot_activity)",
"nodes": [
{
"id": "t0-trigger",
"name": "T+0 Trigger",
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
250,
300
],
"parameters": {
"httpMethod": "POST",
"path": "t0-intake-received",
"responseMode": "lastNode",
"responseData": {
"responseCode": 200,
"responseBody": "{\"status\":\"ok\"}",
"responseHeaders": {
"values": [
{
"name": "Content-Type",
"value": "application/json"
}
]
}
},
"options": {
"rawBody": false
}
}
},
{
"id": "t0-verify",
"name": "Verify Webhook Signature",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
470,
300
],
"parameters": {
"jsCode": "// Verify HMAC-SHA256 of the raw body against N8N_WEBHOOK_SHARED_SECRET.\n// Supabase Database Webhooks sends the signature in X-Webhook-Signature.\nconst crypto = require('crypto');\nconst secret = $env.N8N_WEBHOOK_SHARED_SECRET;\nif (!secret) { throw new Error('N8N_WEBHOOK_SHARED_SECRET not configured'); }\nconst sig = $input.first().headers['x-webhook-signature'] || '';\nconst raw = $input.first().binary?.data?.data\n ? Buffer.from($input.first().binary.data.data, 'base64').toString('utf8')\n : JSON.stringify($input.first().json);\nconst expected = crypto.createHmac('sha256', secret).update(raw).digest('hex');\nif (!crypto.timingSafeEqual(Buffer.from(sig), Buffer.from(expected))) {\n throw new Error('Invalid webhook signature');\n}\nreturn [{ json: $input.first().json }];"
}
},
{
"id": "t0-resolve-client",
"name": "Resolve Client",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
690,
300
],
"parameters": {
"jsCode": "// Tally intake payload \u2192 chatbot_clients.id lookup.\n// Supabase REST: GET /rest/v1/chatbot_clients?slug=eq.<slug>&select=id\nconst tally = $input.first().json;\nconst slug = tally.slug || tally.body?.slug || tally.client_slug;\nif (!slug) { throw new Error('Missing client slug in T+0 payload'); }\n\nconst resp = await this.helpers.httpRequest({\n method: 'GET',\n url: `${$env.SUPABASE_URL}/rest/v1/chatbot_clients?slug=eq.${encodeURIComponent(slug)}&select=id,company_name,primary_contact_email`,\n headers: {\n apikey: $env.SUPABASE_SERVICE_ROLE_KEY,\n Authorization: `Bearer ${$env.SUPABASE_SERVICE_ROLE_KEY}`\n },\n json: true\n});\nif (!Array.isArray(resp) || resp.length === 0) {\n throw new Error(`chatbot_clients row not found for slug=${slug}`);\n}\nconst client = resp[0];\nreturn [{\n json: {\n client_id: client.id,\n company_name: client.company_name,\n contact_email: client.primary_contact_email,\n slug\n }\n}];"
}
},
{
"id": "t0-build-id",
"name": "Build Activity Id (idempotent)",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
910,
300
],
"parameters": {
"jsCode": "// Deterministic UUIDv5 \u2014 see automations/t-plus-onboarding/README.md \u00a73.\n// Fixed Kairikos namespace; safe across re-runs.\nconst { v5: uuidv5 } = require('uuid');\nconst NAMESPACE = 'a1b2c3d4-e5f6-4a7b-8c9d-0e1f2a3b4c5d';\nconst ctx = $input.first().json;\nconst eventType = 'intake_received';\nconst dayOffset = 0;\nconst key = `${eventType}:${ctx.client_id}:${dayOffset}`;\nconst id = uuidv5(key, NAMESPACE);\nreturn [{\n json: {\n ...ctx,\n activity_id: id,\n event_type: eventType,\n day_offset: dayOffset\n }\n}];"
}
},
{
"id": "t0-send-email",
"name": "Send T+0 Email",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
1130,
300
],
"parameters": {
"method": "POST",
"url": "https://api.resend.com/emails",
"authentication": "predefinedCredentialType",
"nodeCredentialType": "resendApi",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "application/json"
}
]
},
"sendBody": true,
"bodyParameters": {
"parameters": [
{
"name": "from",
"value": "Kairikos <hola@kairikos.com>"
},
{
"name": "to",
"value": "={{ $json.contact_email }}"
},
{
"name": "subject",
"value": "Welcome to Kairikos \u2014 let's get your chatbot live"
},
{
"name": "template",
"value": "t-plus-0-intake-v1"
},
{
"name": "data.company_name",
"value": "={{ $json.company_name }}"
}
]
},
"options": {
"timeout": 30000,
"retry": {
"maxTries": 3
}
}
}
},
{
"id": "t0-build-row",
"name": "Build Activity Row",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1350,
300
],
"parameters": {
"jsCode": "// Assemble the final chatbot_activity row.\nconst emailResp = $input.first().json;\nconst ctx = $('Build Activity Id (idempotent)').first().json;\nconst row = {\n id: ctx.activity_id,\n client_id: ctx.client_id,\n day_offset: ctx.day_offset,\n event_type: ctx.event_type,\n title: 'T+0 intake email sent',\n body: null,\n metadata: {\n email_subject: 'Welcome to Kairikos \u2014 let\\'s get your chatbot live',\n send_status: emailResp.id ? 'sent' : 'failed',\n provider: 'resend',\n email_message_id: emailResp.id || null,\n template: 't-plus-0-intake-v1',\n locale: 'es-ES'\n },\n occurred_at: new Date().toISOString()\n};\nreturn [{ json: row }];"
}
},
{
"id": "t0-upsert",
"name": "Upsert chatbot_activity",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
1570,
300
],
"parameters": {
"method": "POST",
"url": "={{ $env.SUPABASE_URL }}/rest/v1/chatbot_activity?on_conflict=id",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "apikey",
"value": "={{ $env.SUPABASE_SERVICE_ROLE_KEY }}"
},
{
"name": "Authorization",
"value": "Bearer {{ $env.SUPABASE_SERVICE_ROLE_KEY }}"
},
{
"name": "Content-Type",
"value": "application/json"
},
{
"name": "Prefer",
"value": "resolution=merge-duplicate,return=minimal"
}
]
},
"sendBody": true,
"body": "={{ JSON.stringify([$json]) }}",
"options": {
"timeout": 15000,
"retry": {
"maxTries": 3,
"waitBetween": 5000
}
}
}
},
{
"id": "t0-slack-err",
"name": "Notify Slack on Error",
"type": "n8n-nodes-base.slack",
"typeVersion": 2,
"position": [
1570,
520
],
"parameters": {
"channel": "#automation-alerts",
"text": "=:rotating_light: T+0 flow failed for client `{{ $json.client_id }}` after 3 retries. Last error: {{ $json.error }}",
"otherOptions": {
"includeLinkToWorkflow": true
}
}
}
],
"connections": {
"T+0 Trigger": {
"main": [
[
{
"node": "Verify Webhook Signature",
"type": "main",
"index": 0
}
]
]
},
"Verify Webhook Signature": {
"main": [
[
{
"node": "Resolve Client",
"type": "main",
"index": 0
}
]
]
},
"Resolve Client": {
"main": [
[
{
"node": "Build Activity Id (idempotent)",
"type": "main",
"index": 0
}
]
]
},
"Build Activity Id (idempotent)": {
"main": [
[
{
"node": "Send T+0 Email",
"type": "main",
"index": 0
}
]
]
},
"Send T+0 Email": {
"main": [
[
{
"node": "Build Activity Row",
"type": "main",
"index": 0
}
]
],
"error": [
[
{
"node": "Notify Slack on Error",
"type": "main",
"index": 0
}
]
]
},
"Build Activity Row": {
"main": [
[
{
"node": "Upsert chatbot_activity",
"type": "main",
"index": 0
}
]
]
},
"Upsert chatbot_activity": {
"error": [
[
{
"node": "Notify Slack on Error",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1",
"saveExecutionProgress": true,
"saveManualExecutions": true,
"timezone": "Europe/Madrid"
},
"staticData": null,
"meta": {
"template": "kairikos-t-plus-onboarding",
"templateVersion": "1.0",
"dayOffset": 0,
"eventType": "intake_received",
"author": "Automation Engineer",
"linkedIssue": "KAIA-734"
}
}
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About this workflow
[DEPRECATED — use portal-internal-activity] T+0 — Onboarding Intake Received (writes chatbot_activity). Uses httpRequest, slack. Webhook trigger; 8 nodes.
Source: https://github.com/lagop/kairikos-chatbotAI-dash/blob/84b543e50315f28d1e83039e0d22e9097e8a51ab/automations/t-plus-onboarding/archive/t0-intake-received.json — original creator credit. Request a take-down →
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