Generate & Upload an Audio Summary of a Wordpress (or Woocommerce) Article

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 →

{
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "nodes": [
    {
      "id": "468084ed-ce7d-45c5-bf27-ea9c91d5898a",
      "name": "When clicking \u2018Test workflow\u2019",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        0,
        0
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "fbde6cfe-9fac-46d2-958a-f42c9ef383a3",
      "name": "Retrieve WordPress Article",
      "type": "n8n-nodes-base.wordpress",
      "position": [
        440,
        0
      ],
      "parameters": {
        "postId": "1032",
        "options": {},
        "operation": "get"
      },
      "credentials": {
        "wordpressApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "54241e39-7a5f-45f4-9dab-72b5424f4061",
      "name": "Generate Summary or Transcription",
      "type": "@n8n/n8n-nodes-langchain.chainLlm",
      "position": [
        680,
        0
      ],
      "parameters": {
        "text": "={{ $json.content }}",
        "messages": {
          "messageValues": [
            {
              "message": "Summarize or transcribe this article, depending on the workflow setting."
            }
          ]
        },
        "promptType": "define",
        "hasOutputParser": true
      },
      "typeVersion": 1.5
    },
    {
      "id": "49cfaab6-a0c1-4319-904d-c1e0a2c6aa91",
      "name": "Generate Speech",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        1120,
        0
      ],
      "parameters": {
        "url": "https://api.elevenlabs.io/v1/text-to-speech/voice_id",
        "method": "POST",
        "options": {},
        "sendBody": true,
        "authentication": "genericCredentialType",
        "bodyParameters": {
          "parameters": [
            {
              "name": "text",
              "value": "={{ $json.text }}"
            },
            {
              "name": "model_id",
              "value": "eleven_multilingual_v2"
            },
            {
              "name": "output_format",
              "value": "mp3_44100_128"
            }
          ]
        },
        "genericAuthType": "httpCustomAuth"
      },
      "credentials": {
        "httpCustomAuth": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "899abf3f-4ab6-48bd-90ba-0502cb23348e",
      "name": "Upload MP3",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        2060,
        0
      ],
      "parameters": {
        "url": "={{ $('settings').item.json['site_url'] }}wp-json/wp/v2/media",
        "method": "POST",
        "options": {},
        "sendBody": true,
        "contentType": "binaryData",
        "sendHeaders": true,
        "authentication": "predefinedCredentialType",
        "headerParameters": {
          "parameters": [
            {
              "name": "Content-Disposition",
              "value": "=attachment; filename=\"{{ $('Retrieve WordPress Article').item.json.slug }}.mp3\""
            }
          ]
        },
        "inputDataFieldName": "data",
        "nodeCredentialType": "wordpressApi"
      },
      "credentials": {
        "wordpressApi": {
          "name": "<your credential>"
        }
      },
      "retryOnFail": true,
      "typeVersion": 4.2
    },
    {
      "id": "590297c9-1f66-4071-8b47-230b08c379d4",
      "name": "Update WordPress Post",
      "type": "n8n-nodes-base.wordpress",
      "position": [
        2300,
        0
      ],
      "parameters": {
        "postId": "={{ $('Retrieve WordPress Article').item.json.id }}",
        "operation": "update",
        "updateFields": {
          "content": "=<!-- wp:audio {\"id\":{{ $json.id }}} -->\n<figure class=\"wp-block-audio\"><audio controls src=\"{{ $json.guid.rendered }}\"></audio><figcaption class=\"wp-element-caption\">\ud83d\udde3\ufe0f Listen to the summary or transcription. \ud83d\udc46</figcaption></figure>\n<!-- /wp:audio --><br>{{ $('Retrieve WordPress Article').item.json.content.rendered }}"
        }
      },
      "credentials": {
        "wordpressApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "5297d517-5dd9-4d4d-b201-0822af030c95",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1320,
        -340
      ],
      "parameters": {
        "color": 6,
        "width": 660,
        "height": 1000,
        "content": "## \ud83c\udf99\ufe0f Generate Text-to-Speech Using Eleven Labs via API\n\nSince there is no predefined node for Eleven Labs in n8n, we will use the **HTTP Request** module.\n\n### \ud83d\udee0\ufe0f Prerequisites:\n1. **Get an API Key**: Visit [Eleven Labs](https://try.elevenlabs.io/text-audio) to obtain your API key.\n2. **Choose a Suitable Voice**: Test different voices on [this demo page](https://try.elevenlabs.io/text-audio) to find the best fit for your use case.\n3. **Select the Right Model**: For multilingual usage, use:  \n   ~~~json\n   \"model_id\": \"eleven_multilingual_v2\"\n   ~~~\n4. **Set Output Format**: You can adjust the quality by modifying `output_format`, for example:  \n   ~~~json\n   \"output_format\": \"mp3_44100_128\"\n   ~~~\n\n\ud83d\udcd6 Refer to the full API documentation: [API Reference - Eleven Labs](https://try.elevenlabs.io/api-reference-text-to-speech)\n\n---\n## \ud83d\ude80 Step 1: Configure API Credentials in n8n\n\nAdd a custom authentication entry in n8n with the following structure: \n\n(Replace `\"your-elevenlabs-api-key\"` with your **actual API key**)\n\n~~~json\n{\n  \"headers\": {\n    \"xi-api-key\": \"your-elevenlabs-api-key\"\n  }\n}\n~~~\n---\n\n## \ud83d\udce9 Step 2: Send a POST Request to the API\n\nMake an HTTP POST request to the **webhook** of your workflow with the following parameters:\n\n- **`voice_id`**: The ID of the selected voice.\n- **`text`**: The text to convert into speech.\n\n---"
      },
      "typeVersion": 1
    },
    {
      "id": "8fecbb98-8120-4d94-82ce-15efa063394b",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        640,
        -340
      ],
      "parameters": {
        "width": 460,
        "height": 280,
        "content": "# Modify This Prompt\n\nHere you can modify this prompt. It is interesting because the neutral node might return HTML, and using a ChatGPT node allows you to clean or customize the output before sending it to text-to-speech.\n\nIn the example provided, I requested a summary. However, you could ask for the benefits or product advantages when using it for e-commerce or affiliate marketing. You could also request the full transcription of the article."
      },
      "typeVersion": 1
    },
    {
      "id": "06e66119-2b95-416b-8167-41dccbbd8612",
      "name": "OpenAI Chat Model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        640,
        220
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o-mini"
        },
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "47821853-b8f5-45f3-8e37-66365ba62422",
      "name": "settings",
      "type": "n8n-nodes-base.set",
      "position": [
        220,
        0
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "10c07d50-1310-4dd7-a143-b0c0e5cf1b70",
              "name": "site_url",
              "type": "string",
              "value": "https://mydomain.com/"
            }
          ]
        }
      },
      "typeVersion": 3.4
    }
  ],
  "connections": {
    "settings": {
      "main": [
        [
          {
            "node": "Retrieve WordPress Article",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Upload MP3": {
      "main": [
        [
          {
            "node": "Update WordPress Post",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Generate Speech": {
      "main": [
        [
          {
            "node": "Upload MP3",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "Generate Summary or Transcription",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Retrieve WordPress Article": {
      "main": [
        [
          {
            "node": "Generate Summary or Transcription",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Generate Summary or Transcription": {
      "main": [
        [
          {
            "node": "Generate Speech",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "When clicking \u2018Test workflow\u2019": {
      "main": [
        [
          {
            "node": "settings",
            "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.

• httpCustomAuth
• openAiApi
• wordpressApi

About this workflow

This workflow automates the process of summarizing or transcribing a WordPress article, converting the text into speech using Eleven Labs API, and uploading the resulting MP3 file back to WordPress.

Source: https://n8n.io/workflows/3028/ — original creator credit. Request a take-down →

More Content & Video workflows → · Browse all categories →

Related workflows

Workflows that share integrations, category, or trigger type with this one. All free to copy and import.