The workflow JSON
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{
"name": "WF-TV-SMS-QUEUE: Delayed SMS Sender",
"nodes": [
{
"id": "cron_trigger",
"name": "Every 30 Minutes",
"type": "n8n-nodes-base.scheduleTrigger",
"typeVersion": 1.2,
"position": [
0,
300
],
"parameters": {
"rule": {
"interval": [
{
"field": "minutes",
"minutesInterval": 30
}
]
}
}
},
{
"id": "fetch_due",
"name": "Fetch Due Items",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
220,
300
],
"parameters": {
"method": "POST",
"url": "https://YOUR_CONVEX_DEPLOYMENT/api/sms-queue-due",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={\"product_slug\": \"voicesdr\", \"due_before\": {{ Date.now() }}}",
"options": {}
}
},
{
"id": "has_items",
"name": "Has Items?",
"type": "n8n-nodes-base.if",
"typeVersion": 2.2,
"position": [
440,
300
],
"parameters": {
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "has_items_cond",
"leftValue": "={{ $json.count }}",
"rightValue": 0,
"operator": {
"type": "number",
"operation": "gt"
}
}
]
},
"looseTypeValidation": true,
"options": {}
}
},
{
"id": "extract_items",
"name": "Extract Items",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
660,
240
],
"parameters": {
"jsCode": "var items=$json.leads||[]; return items.map(function(item){ return {json:item}; });"
}
},
{
"id": "loop_items",
"name": "Loop Items",
"type": "n8n-nodes-base.splitInBatches",
"typeVersion": 3,
"position": [
880,
240
],
"parameters": {
"batchSize": 1,
"options": {}
}
},
{
"id": "send_sms",
"name": "Send Queued SMS",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
1100,
300
],
"parameters": {
"method": "POST",
"url": "https://api.close.com/api/v1/activity/sms/",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ JSON.stringify({lead_id: $json.closeLeadId, remote_phone: $json.phone, local_phone: \"+15555550100\", text: $json.smsText, status: \"outbox\"}) }}",
"authentication": "predefinedCredentialType",
"nodeCredentialType": "closeApi",
"options": {}
},
"onError": "continueRegularOutput"
},
{
"id": "mark_complete",
"name": "Mark Complete",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
1320,
300
],
"parameters": {
"method": "POST",
"url": "https://YOUR_CONVEX_DEPLOYMENT/api/sms-queue-complete",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ JSON.stringify({queue_id: $('Loop Items').first().json._id}) }}",
"options": {}
}
},
{
"id": "sticky_note",
"name": "WF-TV-SMS-QUEUE Overview",
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
-60,
100
],
"parameters": {
"content": "## WF-TV-SMS-QUEUE: Delayed SMS Sender\n\nSends SMS blocked by WF-OB-2's 6-hour cooldown. Cron (30min) -> Fetch due from Convex smsQueue -> Send via Close CRM -> Mark complete. Credential: title-close (Laura, +15555550100)."
}
},
{
"id": "log_sms_cost",
"name": "Log SMS Cost to CC",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
1100,
450
],
"parameters": {
"method": "POST",
"url": "https://YOUR_CONVEX_DEPLOYMENT/api/service-expenses/create",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "{\"serviceName\": \"Close SMS\", \"productId\": \"voicesdr\", \"date\": \"{{ $now.format('yyyy-MM-dd') }}\", \"amount\": 0.02, \"units\": 1, \"unitType\": \"sms\", \"notes\": \"Queued SMS sent\", \"source\": \"n8n\"}",
"options": {}
},
"onError": "continueRegularOutput"
}
],
"connections": {
"Every 30 Minutes": {
"main": [
[
{
"node": "Fetch Due Items",
"type": "main",
"index": 0
}
]
]
},
"Fetch Due Items": {
"main": [
[
{
"node": "Has Items?",
"type": "main",
"index": 0
}
]
]
},
"Has Items?": {
"main": [
[
{
"node": "Extract Items",
"type": "main",
"index": 0
}
],
[]
]
},
"Extract Items": {
"main": [
[
{
"node": "Loop Items",
"type": "main",
"index": 0
}
]
]
},
"Loop Items": {
"main": [
[],
[
{
"node": "Send Queued SMS",
"type": "main",
"index": 0
}
]
]
},
"Send Queued SMS": {
"main": [
[
{
"node": "Mark Complete",
"type": "main",
"index": 0
},
{
"node": "Log SMS Cost to CC",
"type": "main",
"index": 0
}
]
]
},
"Mark Complete": {
"main": [
[
{
"node": "Loop Items",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1"
},
"active": false
}
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About this workflow
WF-TV-SMS-QUEUE: Delayed SMS Sender. Uses httpRequest. Scheduled trigger; 9 nodes.
Source: https://github.com/rafiulislam4246/voice-sdr-title-agent/blob/main/workflows/voice-06-delayed-sms-queue.json — original creator credit. Request a take-down →
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