Generate Authentic Product Reviews with Openai for Woocommerce

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 →

{
  "nodes": [
    {
      "id": "37f90234-8233-495a-b9e5-394de7c76852",
      "name": "When clicking \u2018Execute workflow\u2019",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        0,
        -624
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "f91ce677-4b08-43f7-b742-a54f9c48e07c",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -128,
        -768
      ],
      "parameters": {
        "color": 2,
        "width": 1696,
        "height": 336,
        "content": "## Product AI Comment Generator\n\nThis workflow automatically generates short, natural-sounding product reviews using AI and posts them to your WooCommerce store. It fetches product data via the WooCommerce REST API, crafts a custom AI prompt for each product, and then submits the generated review as a product comment.\n\n"
      },
      "typeVersion": 1
    },
    {
      "id": "512931cd-db6a-4056-b8bc-4705ea1f7877",
      "name": "Fetch Products from WooCommerce",
      "type": "n8n-nodes-base.httpRequest",
      "maxTries": 5,
      "position": [
        224,
        -624
      ],
      "parameters": {
        "url": "https://example.com/wp-json/wc/v3/products?per_page=100",
        "options": {
          "timeout": 600000,
          "batching": {
            "batch": {
              "batchSize": 100
            }
          }
        },
        "authentication": "genericCredentialType",
        "genericAuthType": "httpBasicAuth"
      },
      "credentials": {
        "httpBasicAuth": {
          "name": "<your credential>"
        }
      },
      "retryOnFail": true,
      "typeVersion": 4.2,
      "waitBetweenTries": 2000
    },
    {
      "id": "aef7c79c-96aa-4252-bd69-d2f83b773661",
      "name": "Build Product Comment Prompt",
      "type": "n8n-nodes-base.set",
      "position": [
        464,
        -624
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "3af62c72-bd9b-433a-943c-4caafe23bdd5",
              "name": "prompt",
              "type": "string",
              "value": "=={{ `For the product \u201c${$json.name}\u201d, write a natural comment (one sentence). \nDescription: ${($json.short_description || $json.description || '').replace(/<[^>]*>/g,' ').slice(0,300)}` }}\nComment characteristics:\n- Some neutral, some positive, some negative, some questioning\n- Conversational tone, not formal\n- Occasionally include the brand name in the comment\n- Preferably short\n"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "849160e7-9df1-4337-a111-65fc9bd8d5e5",
      "name": "Generate Product Comment (AI)",
      "type": "@n8n/n8n-nodes-langchain.openAi",
      "position": [
        752,
        -624
      ],
      "parameters": {
        "modelId": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o-mini",
          "cachedResultName": "GPT-4O-MINI"
        },
        "options": {},
        "messages": {
          "values": [
            {
              "content": "={{$json.prompt}}\n"
            }
          ]
        }
      },
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      },
      "retryOnFail": true,
      "typeVersion": 1.8,
      "waitBetweenTries": 2000
    },
    {
      "id": "fb93ada6-17e2-46c8-8ca3-b24efcd67c97",
      "name": "Extract AI Output",
      "type": "n8n-nodes-base.set",
      "position": [
        1104,
        -624
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "18fe84dc-59b3-440b-830d-da161cd5e3da",
              "name": "review",
              "type": "string",
              "value": "={{$json.message?.content || $json.choices?.[0]?.message?.content || $json.content}}"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "3402a419-227b-446d-96dd-7e7bbc6eedd2",
      "name": "Post Review to Product",
      "type": "n8n-nodes-base.httpRequest",
      "maxTries": 5,
      "position": [
        1360,
        -624
      ],
      "parameters": {
        "url": "https://example.com/wp-json/wc/v3/products/reviews",
        "method": "POST",
        "options": {
          "timeout": 900000
        },
        "sendBody": true,
        "authentication": "genericCredentialType",
        "bodyParameters": {
          "parameters": [
            {
              "name": "product_id",
              "value": "={{ $('Fetch Products from WooCommerce').item.json.id }}"
            },
            {
              "name": "review",
              "value": "={{ $('Generate Product Comment (AI)').item.json.message.content }}"
            },
            {
              "name": "reviewer_email",
              "value": "={{ `guest+${$('Fetch Products from WooCommerce').item.json.id}-${Math.floor(Date.now()%100000)}@example.com`.toLowerCase() }}\n"
            },
            {
              "name": "reviewer",
              "value": "={{ (() => {\n  const first = ['John','Emily','Michael','Sophia','David','Olivia','Daniel','Ava','James','Isabella','Ethan','Mia','William','Charlotte','Benjamin','Amelia','Alexander','Harper','Lucas','Ella'];\n  const last  = ['Smith','Johnson','Williams','Brown','Jones','Garcia','Miller','Davis','Rodriguez','Martinez','Hernandez','Lopez','Gonzalez','Wilson','Anderson','Thomas','Taylor','Moore','Jackson','Martin'];\n  return `${first[Math.floor(Math.random()*first.length)]} ${last[Math.floor(Math.random()*last.length)]}`;\n})() }}\n"
            }
          ]
        },
        "genericAuthType": "httpBasicAuth"
      },
      "credentials": {
        "httpBasicAuth": {
          "name": "<your credential>"
        }
      },
      "retryOnFail": true,
      "typeVersion": 4.2,
      "waitBetweenTries": 5000
    }
  ],
  "connections": {
    "Extract AI Output": {
      "main": [
        [
          {
            "node": "Post Review to Product",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Build Product Comment Prompt": {
      "main": [
        [
          {
            "node": "Generate Product Comment (AI)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Generate Product Comment (AI)": {
      "main": [
        [
          {
            "node": "Extract AI Output",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Fetch Products from WooCommerce": {
      "main": [
        [
          {
            "node": "Build Product Comment Prompt",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "When clicking \u2018Execute workflow\u2019": {
      "main": [
        [
          {
            "node": "Fetch Products from WooCommerce",
            "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.

• httpBasicAuth
• openAiApi

About this workflow

This workflow automatically generates natural product comments using AI and posts them to your WooCommerce store. It helps boost engagement and makes product pages look more active and authentic.

Source: https://n8n.io/workflows/7579/ — original creator credit. Request a take-down →

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