{
  "name": "VideoUpscaler — Async Webhook Callback Pipeline (Batch & Long Videos)",
  "nodes": [
    {
      "parameters": {
        "content": "## How it works (Zero Polling)\nFor batch jobs or multi-minute 4K renders, pass `webhook_url` when submitting the job. VideoUpscaler immediately returns `status: processing` and sends an HTTP `POST` to your **Webhook Receiver** node the instant the 4K MP4 is ready on the CDN.\n\n- **Header**: `X-VideoUpscaler-Event: task.completed | task.failed`\n- **Body**: Full task JSON including `output_url`, `credits_cost`, and `duration_seconds`.",
        "height": 300,
        "width": 420
      },
      "id": "c2f4c110-0001-4000-8000-000000000001",
      "name": "How it works",
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [-240, 60]
    },
    {
      "parameters": {
        "content": "## Setup (2 minutes)\n1. Open **Receive VideoUpscaler Webhook** and copy its **Production URL**.\n2. Paste that URL into the `webhook_url` field in **Submit Async 4K Upscale**.\n3. Add your `Bearer vu_live_...` API key from [videoupscaler.co/settings/apikeys](https://videoupscaler.co/settings/apikeys) as a **Header Auth** credential.",
        "height": 240,
        "width": 420,
        "color": 4
      },
      "id": "c2f4c110-0002-4000-8000-000000000002",
      "name": "Setup",
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [-240, 380]
    },
    {
      "parameters": {},
      "id": "c2f4c110-1001-4000-8000-000000000001",
      "name": "Trigger Batch Job",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [260, 160]
    },
    {
      "parameters": {
        "method": "POST",
        "url": "https://videoupscaler.co/api/v1/upscale",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "Idempotency-Key",
              "value": "={{ $execution.id }}"
            }
          ]
        },
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={\n  \"video_url\": \"https://example.com/source-clip.mp4\",\n  \"resolution\": \"4k\",\n  \"webhook_url\": \"https://your-n8n-domain.example.com/webhook/videoupscaler-done\"\n}",
        "options": {
          "timeout": 300000
        }
      },
      "id": "c2f4c110-1002-4000-8000-000000000002",
      "name": "Submit Async 4K Upscale",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [500, 160]
    },
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "videoupscaler-done",
        "options": {}
      },
      "id": "c2f4c110-1003-4000-8000-000000000003",
      "name": "Receive VideoUpscaler Webhook",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 2,
      "position": [260, 420],
      "webhookId": "videoupscaler-done"
    },
    {
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "wh-task-id",
              "name": "task_id",
              "value": "={{ $json.body.id }}",
              "type": "string"
            },
            {
              "id": "wh-status",
              "name": "status",
              "value": "={{ $json.body.status }}",
              "type": "string"
            },
            {
              "id": "wh-output-url",
              "name": "output_url",
              "value": "={{ $json.body.output_url }}",
              "type": "string"
            },
            {
              "id": "wh-credits",
              "name": "credits_cost",
              "value": "={{ $json.body.credits_cost }}",
              "type": "number"
            }
          ]
        },
        "options": {}
      },
      "id": "c2f4c110-1004-4000-8000-000000000004",
      "name": "Extract Completed 4K Video URL",
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [500, 420]
    }
  ],
  "connections": {
    "Trigger Batch Job": {
      "main": [
        [
          {
            "node": "Submit Async 4K Upscale",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Receive VideoUpscaler Webhook": {
      "main": [
        [
          {
            "node": "Extract Completed 4K Video URL",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  }
}