{
  "name": "VideoUpscaler — Upscale Video to 4K (Long-Polling Workflow)",
  "nodes": [
    {
      "parameters": {
        "content": "## How it works\nThis workflow submits a video URL (or YouTube link) to **VideoUpscaler** and waits for the enhanced 1080p, 2K, or 4K MP4 output URL.\n\n1. **Set Video Input** defines `video_url` and target `resolution` (`1080p`, `2k`, or `4k`).\n2. **Start Upscale** calls `POST /api/v1/upscale` with `Idempotency-Key: {{ $execution.id }}` so retries never double-charge.\n3. **Poll Task (Wait up to 45s)** holds the HTTP connection open up to 45 seconds per request (`?wait=45`) and returns immediately when the render finishes.\n4. **Output 4K Video URL** outputs the final `output_url`, `credits_cost`, and `duration_seconds`.",
        "height": 340,
        "width": 420
      },
      "id": "b1f4c110-0001-4000-8000-000000000001",
      "name": "How it works",
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [-260, -60]
    },
    {
      "parameters": {
        "content": "## Setup (about 2 minutes)\n1. **VideoUpscaler API Key**: Open [Settings -> API Keys](https://videoupscaler.co/settings/apikeys) and create a `vu_live_...` key.\n2. **Header Auth Credential**: In **Start Upscale** and **Poll Task**, select **Header Auth** credential:\n   - **Name**: `Authorization`\n   - **Value**: `Bearer vu_live_YOUR_API_KEY`\n3. **Optional — Official Community Node**: On self-hosted n8n or n8n Cloud, install `n8n-nodes-videoupscaler` in *Settings -> Community Nodes* to replace the HTTP loop with a single **VideoUpscaler** node.",
        "height": 300,
        "width": 420,
        "color": 4
      },
      "id": "b1f4c110-0002-4000-8000-000000000002",
      "name": "Setup",
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [-260, 300]
    },
    {
      "parameters": {
        "content": "## Customise\n- Swap the manual trigger for a **Google Drive Trigger**, **Webhook**, **Airtable**, or an AI video generator node (Kling / Runway / Veo / Sora).\n- Connect **Output 4K Video URL** to **Google Drive (Upload)**, **YouTube**, **TikTok**, **S3**, or **Google Sheets**.\n- For multi-minute 4K videos, pass `webhook_url` in **Start Upscale** so VideoUpscaler pushes the finished task directly to an n8n Webhook trigger.",
        "height": 260,
        "width": 420,
        "color": 5
      },
      "id": "b1f4c110-0003-4000-8000-000000000003",
      "name": "Customise",
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [-260, 620]
    },
    {
      "parameters": {},
      "id": "b1f4c110-1001-4000-8000-000000000001",
      "name": "When clicking 'Execute workflow'",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [240, 300]
    },
    {
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "video-url-field",
              "name": "video_url",
              "value": "https://example.com/clip.mp4",
              "type": "string"
            },
            {
              "id": "resolution-field",
              "name": "resolution",
              "value": "4k",
              "type": "string"
            }
          ]
        },
        "options": {}
      },
      "id": "b1f4c110-1002-4000-8000-000000000002",
      "name": "Set Video Input",
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [460, 300]
    },
    {
      "parameters": {
        "method": "POST",
        "url": "https://videoupscaler.co/api/v1/upscale",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "Idempotency-Key",
              "value": "={{ $execution.id }}"
            }
          ]
        },
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={\n  \"video_url\": {{ JSON.stringify($json.video_url) }},\n  \"resolution\": {{ JSON.stringify($json.resolution || '4k') }}\n}",
        "options": {
          "timeout": 300000
        }
      },
      "id": "b1f4c110-1003-4000-8000-000000000003",
      "name": "Start Upscale",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [680, 300]
    },
    {
      "parameters": {
        "url": "=https://videoupscaler.co/api/v1/tasks/{{ $json.id }}?wait=45",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "options": {
          "timeout": 55000
        }
      },
      "id": "b1f4c110-1004-4000-8000-000000000004",
      "name": "Poll Task (Wait up to 45s)",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [900, 300]
    },
    {
      "parameters": {
        "conditions": {
          "options": {
            "caseSensitive": true,
            "leftValue": "",
            "typeValidation": "strict",
            "version": 2
          },
          "conditions": [
            {
              "id": "completed-cond",
              "leftValue": "={{ $json.status }}",
              "rightValue": "completed",
              "operator": {
                "type": "string",
                "operation": "equals"
              }
            }
          ],
          "combinator": "and"
        },
        "options": {}
      },
      "id": "b1f4c110-1005-4000-8000-000000000005",
      "name": "Is Completed?",
      "type": "n8n-nodes-base.if",
      "typeVersion": 2.2,
      "position": [1120, 300]
    },
    {
      "parameters": {
        "conditions": {
          "options": {
            "caseSensitive": true,
            "leftValue": "",
            "typeValidation": "strict",
            "version": 2
          },
          "conditions": [
            {
              "id": "still-running-cond",
              "leftValue": "={{ $json.status }}",
              "rightValue": "failed",
              "operator": {
                "type": "string",
                "operation": "notEquals"
              }
            }
          ],
          "combinator": "and"
        },
        "options": {}
      },
      "id": "b1f4c110-1006-4000-8000-000000000006",
      "name": "Still Running?",
      "type": "n8n-nodes-base.if",
      "typeVersion": 2.2,
      "position": [1340, 420]
    },
    {
      "parameters": {
        "amount": 5,
        "unit": "seconds"
      },
      "id": "b1f4c110-1007-4000-8000-000000000007",
      "name": "Wait 5s",
      "type": "n8n-nodes-base.wait",
      "typeVersion": 1.1,
      "position": [1560, 420]
    },
    {
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "output-url-field",
              "name": "output_url",
              "value": "={{ $json.output_url }}",
              "type": "string"
            },
            {
              "id": "task-id-field",
              "name": "task_id",
              "value": "={{ $json.id }}",
              "type": "string"
            },
            {
              "id": "credits-cost-field",
              "name": "credits_cost",
              "value": "={{ $json.credits_cost }}",
              "type": "number"
            }
          ]
        },
        "options": {}
      },
      "id": "b1f4c110-1008-4000-8000-000000000008",
      "name": "Output 4K Video URL",
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [1340, 180]
    }
  ],
  "connections": {
    "When clicking 'Execute workflow'": {
      "main": [
        [
          {
            "node": "Set Video Input",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Set Video Input": {
      "main": [
        [
          {
            "node": "Start Upscale",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Start Upscale": {
      "main": [
        [
          {
            "node": "Poll Task (Wait up to 45s)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Poll Task (Wait up to 45s)": {
      "main": [
        [
          {
            "node": "Is Completed?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Is Completed?": {
      "main": [
        [
          {
            "node": "Output 4K Video URL",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Still Running?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Still Running?": {
      "main": [
        [
          {
            "node": "Wait 5s",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Wait 5s": {
      "main": [
        [
          {
            "node": "Poll Task (Wait up to 45s)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  }
}