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Cross-Platform Brand Monitoring & Analysis with AnySite API and GPT

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Created by: Andrey || kulia

Andrey

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Last update 13 hours ago

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Overview

This n8n workflow automates brand monitoring across social media platforms (Reddit, LinkedIn, X, and Instagram) using the AnySite API.
It searches posts mentioning your defined keywords, stores results in n8n Data Tables, analyzes engagement and sentiment, and generates a detailed AI-powered social media report automatically sent to your email.

Key Features

  • Multi-Platform Monitoring: Reddit, LinkedIn, X (Twitter), and Instagram
  • Automated Post Collection: Searches for new posts containing tracked keywords
  • Data Persistence: Saves all posts and comments in structured Data Tables
  • AI-Powered Reporting: Uses GPT (OpenAI API) to summarize and analyze trends, engagement, and risks
  • Automated Email Delivery: Sends comprehensive daily/weekly reports via Gmail
  • Comment Extraction: Collects and formats post comments for deeper sentiment analysis
  • Scheduling Support: Can be executed manually or automatically (e.g., every night)

How It Works

Triggers

The workflow runs:

  • Automatically (via Schedule Trigger) — e.g., once daily
  • Manually (via Manual Trigger) — for testing or on-demand analysis

Data Collection Process

  1. Keyword Loading:
    Reads all keywords from the Data Table “Brand Monitoring Words”

  2. Social Media Search:
    For each keyword, the workflow calls the AnySite API endpoints:

    • api/reddit/search/posts
    • api/linkedin/search/posts
    • api/twitter/search/posts (X)
    • api/instagram/search/posts

  3. Deduplication:
    Before saving, checks if a post already exists in the “Brand Monitoring Posts” table.

  4. Data Storage:
    Inserts new posts into the Data Table with fields like type, title, url, vote_count, comment_count, etc.

  5. Comments Enrichment:
    For Reddit and LinkedIn, retrieves and formats comments into JSON strings, then updates the record.

  6. AI Analysis & Report Generation:
    The AI Agent (OpenAI GPT model) aggregates posts, analyzes sentiment, engagement, risks, and generates a structured HTML email report.

  7. Email Sending:
    Sends the final report via Gmail using your connected account.

Setup Instructions

Requirements

  • Self-hosted or cloud n8n instance
  • AnySite API key – https://AnySite.io
  • OpenAI API key (GPT-4o or later)
  • Connected Gmail account (for report delivery)

Installation Steps

  1. Import the workflow
    Import the provided file:
    Social Media Monitoring.json

  2. Configure credentials

    • AnySite API: Add access-token header with your API key
    • OpenAI: Add your OpenAI API key in the “OpenAI Chat Model” node
    • Gmail: Connect your Gmail account (OAuth2) in the “Send a message in Gmail” node

  3. Create required Data Tables

1️⃣ Brand Monitoring Words

Field Type Description
word string Keyword or brand name to monitor

Each row represents a single keyword to be tracked.

2️⃣ Brand Monitoring Posts

Field Type Description
type string Platform type (e.g., reddit, linkedin, x, instagram)
title string Post title or headline
url string Direct link to post
created_at string Post creation date/time
subreddit_id string (Reddit only) subreddit ID
subreddit_alias string (Reddit only) subreddit alias
subreddit_url string (Reddit only) subreddit URL
subreddit_description string (Reddit only) subreddit description
comment_count number Number of comments
vote_count number Votes, likes, or reactions count
subreddit_member_count number (Reddit only) member count
post_id string Unique post identifier
text string Post body text
comments string Serialized comments (JSON string)
word string Matched keyword that triggered capture

AI Reporting Logic

  • Collects all posts gathered during the run
  • Aggregates by keyword and platform
  • Evaluates sentiment, engagement, and risk signals
  • Summarizes findings with an executive summary and key metrics
  • Sends the Social Media Intelligence Report to your configured email

Customization Options

  • Schedule: Adjust the trigger frequency (daily, hourly, etc.)
  • Keywords: Add or remove keywords in the Brand Monitoring Words table
  • Report Depth: Modify system prompts in the “AI Agent” node to customize tone and analysis focus
  • Email Recipient: Change the target email address in the “Send a message in Gmail” node

Troubleshooting

Issue Solution
No posts found Check AnySite API key and keyword relevance
Duplicate posts Verify Data Table deduplication setup
Report not sent Confirm Gmail OAuth2 connection
AI Agent error Ensure OpenAI API key and model selection are correct

Best Practices

  • Use specific brand or product names in keywords for better precision
  • Run the workflow daily to maintain fresh insights
  • Periodically review and clean Data Tables
  • Adjust AI prompt parameters to refine analytical tone
  • Review AI-generated reports to ensure data quality

Author Notes

Created for automated cross-platform brand reputation monitoring, enabling real-time insights into how your brand is discussed online.