The workflow JSON
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{
"name": "Free Trial Follow-Up (Idle)",
"nodes": [
{
"parameters": {
"rule": {
"interval": [
{
"field": "cronExpression",
"expression": "0 */6 * * *"
}
]
}
},
"id": "wf9-trigger",
"name": "Cron: Every 6 Hours",
"type": "n8n-nodes-base.cron",
"typeVersion": 1,
"position": [
0,
0
]
},
{
"parameters": {
"operation": "select",
"table": "pending_trial_surveys",
"columns": "pts.id,\n pa.platform,\n pa.platform_user_id,\n pa.display_name,\n ft.status as trial_status,\n ft.id as free_trial_id,\n (SELECT COUNT(*) FROM pending_trial_surveys ps2\n JOIN free_trials ft2 ON ft2.id = ps2.free_trial_id\n WHERE ps2.platform_account_id = pts.platform_account_id\n AND ft2.status = 'pending'\n AND ps2.created_at >= NOW() - INTERVAL '24 hours') as surveys_24h",
"conditions": "ft.status = 'pending'\n AND pts.free_trial_id IS NOT NULL\n AND pts.created_at < NOW() - INTERVAL '2 hours'",
"options": {
"join": "INNER JOIN free_trials ft ON ft.id = pts.free_trial_id\nINNER JOIN platform_accounts pa ON pa.id = pts.platform_account_id"
}
},
"id": "wf9-idle",
"name": "Find Idle Trial Requests",
"type": "n8n-nodes-base.postgres",
"typeVersion": 1,
"position": [
200,
0
]
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true
},
"conditions": [
{
"id": "idle-check",
"leftValue": "={{ $json.surveys_24h }}",
"rightValue": 0,
"operation": "equals"
}
]
}
},
"id": "wf9-filter",
"name": "Filter: No Surveys in 24h",
"type": "n8n-nodes-base.switch",
"typeVersion": 1,
"position": [
400,
0
]
},
{
"parameters": {
"message": "\ud83c\udf81 Reminder \u2014 Free Trial Still Available!\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\n\nHi{{#if $json.display_name}} {{$json.display_name}}{{/if}}! Your free trial access is still ready.\n\nYou started a trial request but haven't completed a survey yet.\n\n\ud83d\udca1 Complete just 1 survey = 2 hours of free proxy access.\n\nTap the link to get started \u2192 {{ $env.THEOREM_REACH_SURVEY_URL }}\n\nQuestions? Just reply to this message."
},
"id": "wf9-send",
"name": "Send Follow-Up",
"type": "n8n-nodes-base.whatsApp",
"typeVersion": 1,
"position": [
600,
0
]
}
],
"connections": {
"Cron: Every 6 Hours": {
"main": [
[
{
"node": "Find Idle Trial Requests",
"type": "main",
"index": 0
}
]
]
},
"Find Idle Trial Requests": {
"main": [
[
{
"node": "Filter: No Surveys in 24h",
"type": "main",
"index": 0
}
]
]
},
"Filter: No Surveys in 24h": {
"main": [
[
{
"node": "Send Follow-Up",
"type": "main",
"index": 0
}
],
[]
]
}
},
"settings": {
"executionOrder": "v1",
"saveManualExecutions": false,
"timezone": "Africa/Lagos"
},
"staticData": null,
"tags": [
"free-trial",
"follow-up",
"cron"
]
}
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About this workflow
Free Trial Follow-Up (Idle). Uses postgres, whatsApp. Scheduled trigger; 4 nodes.
Source: https://github.com/sonnyagent30-beep/bunche/blob/e991131928c348097e3fb411d5caa3b0466900f8/.n8n/workflows/free-trial-follow-up.json — original creator credit. Request a take-down →
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