Schedule Food Photo Sharing to Pinterest with Gpt-3.5 Captions and Google Sheets

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 →

{
  "id": "AhLdSHGzYENHBtdk",
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "name": "Automated Food Photo Sharing with AI Captions \u2013 Pinterest Scheduler",
  "tags": [],
  "nodes": [
    {
      "id": "adea325f-884b-4fc9-9582-74c97e9c3473",
      "name": "Daily Post Scheduler",
      "type": "n8n-nodes-base.scheduleTrigger",
      "position": [
        0,
        0
      ],
      "parameters": {
        "rule": {
          "interval": [
            {}
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "id": "1866b165-64c4-45ce-b9a5-e19e810272c4",
      "name": "Fetch Food Photos from Sheet",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
        220,
        0
      ],
      "parameters": {
        "resource": "spreadsheet",
        "operation": "get"
      },
      "credentials": {
        "googleApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "522fc6bc-88a1-4c52-a16e-7a72c9ce8b62",
      "name": "Filter 4+ Star Dishes",
      "type": "n8n-nodes-base.if",
      "position": [
        440,
        0
      ],
      "parameters": {
        "conditions": {
          "string": [
            {
              "value1": "{{$node['Google Sheets'].json['Status']}}",
              "value2": "Pending"
            },
            {
              "value1": "{{$node['Google Sheets'].json['Rating']}}",
              "value2": 4,
              "operation": "largerEqual"
            }
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "id": "0818f0bb-a769-4e64-a951-106dcd3b12c6",
      "name": "AI Caption Generator",
      "type": "n8n-nodes-base.openAi",
      "position": [
        660,
        0
      ],
      "parameters": {
        "model": "gpt-3.5-turbo",
        "prompt": "Generate a concise, engaging Pinterest caption for a food photo based on this customer feedback: '{{$node['Google Sheets'].json['Feedback']}}'. Keep it under 100 characters and include a positive tone.",
        "options": {},
        "requestOptions": {}
      },
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "1e7a31cd-e6be-48f1-aad1-6af1c56ccbab",
      "name": "Upload to Pinterest",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        880,
        0
      ],
      "parameters": {
        "url": "https://api.pinterest.com/v5/pins",
        "options": {},
        "requestMethod": "POST",
        "authentication": "headerAuth",
        "jsonParameters": true,
        "bodyParametersJson": "{\"title\":\"{{$node['Google Sheets'].json['Pin Title']}}\",\"description\":\"{{$node['Generate Caption'].json['text']}}\",\"link\":\"{{$node['Google Sheets'].json['Destination URL']}}\",\"board_id\":\"{{$node['Google Sheets'].json['Board ID']}}\",\"media_source\":{\"source_type\":\"image_url\",\"url\":\"{{$node['Google Sheets'].json['Image URL']}}\"}}"
      },
      "credentials": {
        "httpHeaderAuth": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "cc06c3aa-e57a-4b01-9614-e2f5a4876dcf",
      "name": "Mark as Posted in Sheet",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
        1100,
        0
      ],
      "parameters": {
        "resource": "spreadsheet",
        "operation": "update"
      },
      "credentials": {
        "googleApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "62bec8d6-0535-425c-8151-af312a20e98e",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -40,
        -260
      ],
      "parameters": {
        "color": 6,
        "width": 180,
        "height": 420,
        "content": "Triggers the workflow at a scheduled time (e.g., once daily) to check for new food photos to post.\n\n"
      },
      "typeVersion": 1
    },
    {
      "id": "007ca09a-8d6a-4fa3-b02b-a066cc9a8999",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        400,
        -260
      ],
      "parameters": {
        "color": 3,
        "width": 180,
        "height": 420,
        "content": "Filters only those food entries with high ratings (4 stars or above) and unposted status.\n\n"
      },
      "typeVersion": 1
    },
    {
      "id": "107ef438-5954-4230-af66-b12ebaac449f",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        620,
        -260
      ],
      "parameters": {
        "width": 180,
        "height": 420,
        "content": "Uses AI (e.g., GPT/OpenAI) to create engaging and relevant captions for selected food photos.\n\n"
      },
      "typeVersion": 1
    },
    {
      "id": "2990e8da-40e2-47aa-959a-b1c70741aec4",
      "name": "Sticky Note3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        840,
        -260
      ],
      "parameters": {
        "color": 5,
        "width": 180,
        "height": 420,
        "content": "Automatically posts the food photo with the generated caption to Pinterest via API.\n\n"
      },
      "typeVersion": 1
    },
    {
      "id": "14b92980-38cc-47bf-8e03-f1d530f276b3",
      "name": "Sticky Note4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1060,
        -260
      ],
      "parameters": {
        "color": 3,
        "width": 180,
        "height": 420,
        "content": "Updates the Google Sheet to reflect that the photo has been successfully shared.\n\n"
      },
      "typeVersion": 1
    },
    {
      "id": "4997f1e2-a34f-4aa3-8580-a63042f4aac9",
      "name": "Sticky Note5",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        180,
        -260
      ],
      "parameters": {
        "color": 4,
        "width": 180,
        "height": 420,
        "content": "Retrieves rows from the Google Sheet that contain food photos and metadata like rating and status.\n\n"
      },
      "typeVersion": 1
    },
    {
      "id": "ba50326f-70f6-4af4-a213-34752536cd40",
      "name": "Sticky Note6",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        160,
        -520
      ],
      "parameters": {
        "width": 720,
        "height": 140,
        "content": "## Purpose: Automatically share highly-rated food photos from a spreadsheet to Pinterest with AI-generated captions, and mark them as posted."
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "71cb591a-be5f-4ed4-adaf-a5df321d922c",
  "connections": {
    "Upload to Pinterest": {
      "main": [
        [
          {
            "node": "Mark as Posted in Sheet",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "AI Caption Generator": {
      "main": [
        [
          {
            "node": "Upload to Pinterest",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Daily Post Scheduler": {
      "main": [
        [
          {
            "node": "Fetch Food Photos from Sheet",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Filter 4+ Star Dishes": {
      "main": [
        [
          {
            "node": "AI Caption Generator",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Fetch Food Photos from Sheet": {
      "main": [
        [
          {
            "node": "Filter 4+ Star Dishes",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

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.

• googleApi
• httpHeaderAuth
• openAiApi

About this workflow

In this guide, we’ll walk you through setting up an AI-driven workflow that automatically processes highly-rated food photos from a Google Sheet, generates AI-powered captions, shares them to Pinterest, and updates the sheet to reflect the posts. Ready to automate your food…

Source: https://n8n.io/workflows/5989/ — original creator credit. Request a take-down →

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