workflow.json

{
  "name": "Parserdata - Email to Google Sheets (Invoices)",
  "nodes": [
    {
      "parameters": {
        "pollTimes": {
          "item": [
            {
              "mode": "everyMinute"
            }
          ]
        },
        "simple": false,
        "filters": {},
        "options": {
          "downloadAttachments": true
        }
      },
      "id": "b0c961be-6dfc-4b39-b90e-3ea9e5929e1e",
      "name": "Gmail Trigger",
      "type": "n8n-nodes-base.gmailTrigger",
      "typeVersion": 1,
      "position": [
        -128,
        32
      ],
      "webhookId": "",
      "credentials": {
        "gmailOAuth2": {
          "id": "YOUR_GMAIL_CREDENTIAL_ID",
          "name": "Gmail account (replace in your n8n)"
        }
      }
    },
    {
      "parameters": {
        "operation": "append",
        "documentId": {
          "__rl": true,
          "value": "YOUR_SPREADSHEET_ID",
          "mode": "id"
        },
        "sheetName": {
          "__rl": true,
          "value": "gid=0",
          "mode": "list",
          "cachedResultName": "Sheet1",
          "cachedResultUrl": "https://docs.google.com/spreadsheets/d/YOUR_SPREADSHEET_ID/edit#gid=0"
        },
        "fieldsUi": {
          "fieldValues": [
            {
              "fieldId": "invoice_number",
              "fieldValue": "={{ $json.invoice_number }}"
            },
            {
              "fieldId": "invoice_date",
              "fieldValue": "={{ $json.invoice_date }}"
            },
            {
              "fieldId": "payment_due_date",
              "fieldValue": "={{ $json.due_date }}"
            },
            {
              "fieldId": "seller_name",
              "fieldValue": "={{ $json.supplier_name }}"
            },
            {
              "fieldId": "buyer_name",
              "fieldValue": "={{ $json.customer_name }}"
            },
            {
              "fieldId": "item_description",
              "fieldValue": "={{ $json.item_description }}"
            },
            {
              "fieldId": "quantity",
              "fieldValue": "={{ $json.quantity }}"
            },
            {
              "fieldId": "unit_price",
              "fieldValue": "={{ $json.unit_price }}"
            },
            {
              "fieldId": "tax_amount",
              "fieldValue": "={{ $json.tax_amount }}"
            },
            {
              "fieldId": "total_amount",
              "fieldValue": "={{ $json.total_amount }}"
            },
            {
              "fieldId": "sku",
              "fieldValue": "={{ $json.sku }}"
            }
          ]
        },
        "options": {}
      },
      "id": "25a68aee-5e53-49b9-ab82-5ce5200b247b",
      "name": "Google Sheets - Append Row",
      "type": "n8n-nodes-base.googleSheets",
      "typeVersion": 3,
      "position": [
        672,
        32
      ],
      "credentials": {
        "googleSheetsOAuth2Api": {
          "id": "YOUR_GOOGLE_SHEETS_CREDENTIAL_ID",
          "name": "Google Sheets (replace in your n8n)"
        }
      }
    },
    {
      "parameters": {
        "method": "POST",
        "url": "https://api.parserdata.com/v1/extract",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendBody": true,
        "contentType": "multipart-form-data",
        "bodyParameters": {
          "parameters": [
            {
              "name": "prompt",
              "value": "Extract the following fields from the invoice.\n\nInvoice-level fields (single values):\n- invoice_number\n- invoice_date\n- payment_due_date\n- seller_name\n- buyer_name\n- net_amount        (subtotal before tax)\n- tax_amount\n- total_amount\n\nLine items (one row per item in the invoice table):\n- sku\n- item_description\n- quantity\n- unit_price\n- line_total\n\nReturn JSON with this structure:\n\n{\n  \"result\": {\n    \"invoice_number\": \"...\",\n    \"invoice_date\": \"YYYY-MM-DD\",\n    \"payment_due_date\": \"YYYY-MM-DD\",\n    \"seller_name\": \"...\",\n    \"buyer_name\": \"...\",\n    \"net_amount\": ...,\n    \"tax_amount\": ...,\n    \"total_amount\": ...,\n    \"line_items\": [\n      {\n        \"sku\": \"...\",\n        \"item_description\": \"...\",\n        \"quantity\": ...,\n        \"unit_price\": ...,\n        \"line_total\": ...\n      }\n    ]\n  }\n}\n\nInvoice-level fields should be repeated logically for each line item when I later expand line_items."
            },
            {
              "name": "options",
              "value": "{   \"return_schema\": false,   \"return_selected_fields\": false }"
            },
            {
              "parameterType": "formBinaryData",
              "name": "file",
              "inputDataFieldName": "attachment_0"
            }
          ]
        },
        "options": {
          "timeout": 300000
        }
      },
      "name": "HTTP Request (Parserdata Extract)",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4,
      "position": [
        192,
        32
      ],
      "id": "9dd7ce74-4a48-4dfd-ba94-7f3d08979a58",
      "credentials": {
        "httpHeaderAuth": {
          "id": "YOUR_PARSERDATA_HTTP_HEADER_AUTH_ID",
          "name": "Parserdata API (HTTP header auth, replace)"
        }
      }
    },
    {
      "parameters": {
        "jsCode": "// We receive one item with Parserdata's response\nconst item = $json;\n\n// All extracted fields are under `result`\nconst header = item.result || {};\nconst lines = header.line_items || [];\n\n// Build one n8n item per line item, with header fields repeated\nreturn lines.map(line => {\n  return {\n    json: {\n      // Invoice-level fields\n      invoice_number: header.invoice_number,\n      invoice_date: header.invoice_date,\n      due_date: header.due_date,\n      supplier_name: header.supplier_name,\n      customer_name: header.customer_name,\n      net_amount: header.net_amount,\n      tax_amount: header.tax_amount,\n      total_amount: header.total_amount,\n\n      // Line-level fields\n      sku: line.sku,\n      item_description: line.item_description,\n      quantity: line.quantity,\n      unit_price: line.unit_price,\n      line_total: line.line_total\n    }\n  };\n});"
      },
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        400,
        32
      ],
      "id": "3baf9a45-a836-41b1-a9cd-2e7d0e61495b",
      "name": "Code in JavaScript"
    }
  ],
  "pinData": {},
  "connections": {
    "Gmail Trigger": {
      "main": [
        [
          {
            "node": "HTTP Request (Parserdata Extract)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "HTTP Request (Parserdata Extract)": {
      "main": [
        [
          {
            "node": "Code in JavaScript",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Code in JavaScript": {
      "main": [
        [
          {
            "node": "Google Sheets - Append Row",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {
    "executionOrder": "v1",
    "binaryMode": "separate",
    "availableInMCP": false
  },
  "versionId": "30c83e08-ce4a-45b6-b9ca-420427753969",
  "meta": {
    "templateCredsSetupCompleted": true,
    "instanceId": "YOUR_N8N_INSTANCE_ID"
  },
  "id": "YOUR_WORKFLOW_ID",
  "tags": []
}