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Auto-schedule Instagram & Facebook posts from Google Sheets

Dinakar SelvakumarDinakar Selvakumar
247 views
2/3/2026
ExportData TransformationNotionDatabaseCSV
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How it works

This workflow automatically publishes Instagram and Facebook posts using Google Sheets as a content calendar. Users add post details to a sheet, and the workflow handles scheduling, image processing, posting, and status updates without manual intervention.

Step-by-step

Scheduled Trigger The workflow runs automatically at a fixed interval (for example, every 15 minutes) to check for posts that are ready to be published.

Configuration & Credentials A configuration step stores reusable values such as spreadsheet ID, sheet name, and platform settings, keeping the workflow easy to customize and secure.

Data Retrieval & Filtering Posts are read from Google Sheets and filtered to include only rows marked as “Pending” and scheduled for the current time or earlier.

Image Handling If an image link is provided, the workflow downloads the image from Google Drive. If no image is present, the post continues as text-only.

Platform Routing Based on the selected platform (Instagram, Facebook, or both), the workflow routes the post to the appropriate publishing path.

Social Media Publishing The post is published to Instagram and/or Facebook using the connected business account credentials.

Status Update After publishing, the workflow updates the original Google Sheet with the post status (Success or Failed), published timestamp, and error message if applicable.

n8n Workflow: Automated Social Media Post Scheduling from Google Sheets

This n8n workflow automates the process of scheduling social media posts (specifically to Facebook) by reading post details from a Google Sheet and fetching associated images from Google Drive. It allows for conditional posting based on a "Posted" status in the sheet, preventing duplicate posts.

What it does:

  1. Triggers on a Schedule: The workflow runs automatically at predefined intervals (e.g., daily, hourly) to check for new posts.
  2. Reads Google Sheet: It connects to a specified Google Sheet to retrieve a list of social media posts, including their content, image file names, and a "Posted" status.
  3. Filters for Unposted Content: It checks the "Posted" column in the Google Sheet and processes only those entries that have not yet been marked as "Posted".
  4. Fetches Images from Google Drive: For each unposted item, it searches Google Drive for the image file specified in the Google Sheet.
  5. Prepares Post Data: It combines the text content and the fetched image data into a format suitable for social media posting.
  6. Posts to Facebook: It publishes the prepared content and image to a specified Facebook Page.
  7. Updates Google Sheet: After a successful post, it updates the "Posted" column in the Google Sheet for that specific row, preventing it from being posted again.

Prerequisites/Requirements:

  • n8n Instance: A running n8n instance.
  • Google Sheets Account: A Google account with access to the Google Sheet containing your social media post schedule.
  • Google Drive Account: A Google account with access to the Google Drive folder where your post images are stored.
  • Facebook Page: A Facebook Page where the posts will be published.
  • Facebook Graph API Credentials: An n8n credential configured for the Facebook Graph API with appropriate permissions to post to your page.
  • Google Sheets Credentials: An n8n credential configured for Google Sheets (OAuth 2.0 recommended).
  • Google Drive Credentials: An n8n credential configured for Google Drive (OAuth 2.0 recommended).

Setup/Usage:

  1. Import the Workflow: Import the provided JSON into your n8n instance.
  2. Configure Credentials:
    • Set up a Google Sheets credential.
    • Set up a Google Drive credential.
    • Set up a Facebook Graph API credential.
  3. Configure Google Sheets Node (ID: 18):
    • Select your Google Sheets credential.
    • Specify the Spreadsheet ID and Sheet Name where your post data is located.
    • Ensure the column names for content, image file name, and "Posted" status match your sheet.
  4. Configure Google Drive Node (ID: 58):
    • Select your Google Drive credential.
    • Adjust the "File Name" expression to correctly reference the image file name from your Google Sheet data.
  5. Configure Facebook Graph API Node (ID: 314):
    • Select your Facebook Graph API credential.
    • Specify the Page ID where the posts should be published.
    • Ensure the "Message" and "Photo" fields correctly reference the data from previous nodes.
  6. Configure "Edit Fields (Set)" Nodes (ID: 38):
    • Review and adjust the fields being set to ensure they match the structure required for your Facebook posts and the update to Google Sheets.
  7. Configure "If" Node (ID: 20):
    • Verify the condition for checking the "Posted" status in your Google Sheet. It should typically check if the "Posted" column is empty or a specific value indicating "not posted".
  8. Activate the Workflow: Once configured, activate the workflow. It will run according to the schedule defined in the "Schedule Trigger" node (ID: 839).

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