This workflow follows the HTTP Request → Supabase recipe pattern — see all workflows that pair these two integrations.
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": "r2-URL-Refresh-Inactive",
"nodes": [
{
"parameters": {
"rule": {
"interval": [
{
"field": "weeks",
"triggerAtHour": 5,
"triggerAtMinute": null
}
]
}
},
"type": "n8n-nodes-base.scheduleTrigger",
"typeVersion": 1.3,
"position": [
0,
0
],
"id": "a120245d-0ab3-4008-864d-ef450685cb8b",
"name": "Schedule: Sunday 01:00"
},
{
"parameters": {
"operation": "getAll",
"tableId": "intake",
"limit": 1,
"filters": {
"conditions": [
{
"keyName": "status",
"condition": "eq",
"keyValue": "=inactive"
}
]
}
},
"type": "n8n-nodes-base.supabase",
"typeVersion": 1,
"position": [
240,
0
],
"id": "a2d842ee-2528-4a2c-8201-b5bdc17d38c6",
"name": "Supabase: Get Intake Stage",
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"operation": "getAll",
"tableId": "media_forensics",
"returnAll": true,
"filters": {
"conditions": [
{
"keyName": "retool_url_expires_at",
"condition": "lte",
"keyValue": "={{ DateTime.now().plus({days: 8}).toISO() }}"
},
{
"keyName": "retool_url_expires_at",
"condition": "is",
"keyValue": "null"
}
]
}
},
"type": "n8n-nodes-base.supabase",
"typeVersion": 1,
"position": [
656,
0
],
"id": "6af4c4b1-b78e-4dea-a9b0-79aedd590525",
"name": "Supabase: Get Expiring URLs",
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"jsCode": "const items = $input.all();\n\nreturn items.map(item => ({\n json: {\n intake_id: item.json.intake_id,\n }\n}));"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
448,
0
],
"id": "9e7aefd5-1636-4f79-9cee-1400efea5164",
"name": "Code: Extract Intake IDs"
},
{
"parameters": {
"jsCode": "const mediaItems = $input.all();\nconst intakeItems = $('Code: Extract Intake IDs').all();\n\nconst activeIntakeIds = new Set(intakeItems.map(i => i.json.intake_id));\n\nreturn mediaItems\n .filter(item => activeIntakeIds.has(item.json.intake_id))\n .map(item => ({\n json: {\n id: item.json.id,\n intake_id: item.json.intake_id,\n r2_object_key: item.json.r2_object_key\n }\n }));"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
864,
0
],
"id": "09bc57f5-f29e-43d5-8f45-ebd582803a44",
"name": "Code: Filter by Active Intake IDs"
},
{
"parameters": {
"jsCode": "const items = $input.all();\n\nreturn items.map(item => ({\n json: {\n ...item.json,\n expiry_seconds: 1209600\n }\n}));"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1072,
0
],
"id": "b2c99a58-30b0-43f9-81a3-026306e156a8",
"name": "Code: Determine Expiry"
},
{
"parameters": {
"method": "POST",
"url": "https://spx-r2-signer.spexai.workers.dev/sign",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={\n \"r2_object_key\": \"{{ $json.r2_object_key }}\",\n \"expiry_seconds\": {{ $json.expiry_seconds }}\n}",
"options": {}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.4,
"position": [
1280,
0
],
"id": "de72b715-a7f8-4a78-bbf9-ff9b2be4b3d9",
"name": "HTTP Request",
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"operation": "update",
"tableId": "media_forensics",
"filters": {
"conditions": [
{
"keyName": "id",
"condition": "eq",
"keyValue": "={{ $('Code: Filter by Active Intake IDs').item.json.id }}"
}
]
},
"fieldsUi": {
"fieldValues": [
{
"fieldId": "retool_signed_url",
"fieldValue": "={{ $json.retool_signed_url }}"
},
{
"fieldId": "retool_url_expires_at",
"fieldValue": "={{ $json.retool_url_expires_at }}"
}
]
}
},
"type": "n8n-nodes-base.supabase",
"typeVersion": 1,
"position": [
1488,
0
],
"id": "5093facc-12be-4e40-b315-66da3552f497",
"name": "Supabase: Update Signed URL",
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
0,
160
],
"id": "f5ee8245-b268-45b8-865c-f1726dbb8b63",
"name": "When clicking \u2018Execute workflow\u2019"
}
],
"connections": {
"Schedule: Sunday 01:00": {
"main": [
[
{
"node": "Supabase: Get Intake Stage",
"type": "main",
"index": 0
}
]
]
},
"Supabase: Get Intake Stage": {
"main": [
[
{
"node": "Code: Extract Intake IDs",
"type": "main",
"index": 0
}
]
]
},
"Code: Extract Intake IDs": {
"main": [
[
{
"node": "Supabase: Get Expiring URLs",
"type": "main",
"index": 0
}
]
]
},
"Supabase: Get Expiring URLs": {
"main": [
[
{
"node": "Code: Filter by Active Intake IDs",
"type": "main",
"index": 0
}
]
]
},
"Code: Filter by Active Intake IDs": {
"main": [
[
{
"node": "Code: Determine Expiry",
"type": "main",
"index": 0
}
]
]
},
"Code: Determine Expiry": {
"main": [
[
{
"node": "HTTP Request",
"type": "main",
"index": 0
}
]
]
},
"HTTP Request": {
"main": [
[
{
"node": "Supabase: Update Signed URL",
"type": "main",
"index": 0
}
]
]
},
"When clicking \u2018Execute workflow\u2019": {
"main": [
[
{
"node": "Supabase: Get Intake Stage",
"type": "main",
"index": 0
}
]
]
}
},
"active": false,
"settings": {
"executionOrder": "v1",
"binaryMode": "separate",
"availableInMCP": false
},
"versionId": "fdaca958-1a39-4712-a341-6fd2d4080171",
"meta": {
"templateCredsSetupCompleted": true
},
"id": "QDzl0ojgnphyJE98",
"tags": [
{
"updatedAt": "2026-04-11T17:19:07.684Z",
"createdAt": "2026-04-11T17:19:07.684Z",
"id": "0kHDvaC4AFK5HWaF",
"name": "systems_update"
},
{
"updatedAt": "2026-04-07T05:54:12.040Z",
"createdAt": "2026-04-07T05:54:12.040Z",
"id": "3ctqgxjHRVbu8uPR",
"name": "noir-test"
},
{
"updatedAt": "2026-04-07T05:54:41.309Z",
"createdAt": "2026-04-07T05:54:41.309Z",
"id": "617SY1s5iJZzmnko",
"name": "noir-collective-france"
},
{
"updatedAt": "2026-04-11T08:01:19.854Z",
"createdAt": "2026-04-11T08:01:19.854Z",
"id": "6QshQRR9Gq480E2s",
"name": "template"
},
{
"updatedAt": "2026-04-07T05:54:15.456Z",
"createdAt": "2026-04-07T05:54:15.456Z",
"id": "U5Z5J0HkLxUQA5hK",
"name": "prototype"
},
{
"updatedAt": "2026-04-11T17:19:17.815Z",
"createdAt": "2026-04-11T17:19:17.815Z",
"id": "n69dqzL4kSMo9qoo",
"name": "maintainence"
},
{
"updatedAt": "2026-04-11T08:02:56.129Z",
"createdAt": "2026-04-11T08:02:56.129Z",
"id": "vP2cQVtcEk5GKWoz",
"name": "_template"
},
{
"updatedAt": "2026-04-07T06:57:56.832Z",
"createdAt": "2026-04-07T06:57:56.832Z",
"id": "wAJsiiKAX1HZZKGW",
"name": "reference"
},
{
"updatedAt": "2026-04-07T06:58:06.901Z",
"createdAt": "2026-04-07T06:58:06.901Z",
"id": "xzkRjFgbGBkSMd3E",
"name": "demo"
}
]
}
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.
httpHeaderAuthsupabaseApi
Pro
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About this workflow
r2-URL-Refresh-Inactive. Uses supabase, httpRequest. Scheduled trigger; 9 nodes.
Source: https://github.com/dev-spai/spexecute-talent-prism-osr/blob/main/workflows/r2-URL-Refresh-Inactive.json — original creator credit. Request a take-down →
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