Similar Videos

The Similar Videos API enables you to discover YouTube videos that are related to a given video. This powerful tool helps identify content recommendations, competitive analysis, and related videos within the same niche using advanced similarity algorithms.

Overview

Use this API to find videos that share similar content, topics, or characteristics with a target video. This resource analyzes video attributes and returns a list of similar videos ranked by relevance, helping you understand content relationships and discover related videos.

Quick Start

Get started in 3 simple steps:

1. Install NexLev: Add the NexLev node to your n8n instance (Installation Guide)
2. Get API Key: Create your API key at API Key
3. Make Your First Request:
   • Add NexLev node → Select "Similar Video" → Choose "Get Similar Videos"
   • Enter a Video ID (e.g., eLDq5TflHys)
   • Execute to get similar videos

Example Result: You'll receive a list of videos similar to your target video, ranked by similarity score.

Endpoint Details

• Resource: Similar Video
• Operations: Get Similar Videos
• Authentication: Required (API Key)
• Pagination: ❌ No
• Returns: Array of similar videos
• Quota Cost: 🥞 10 quota per request

API Reference

Endpoint: POST /api/external/similar-videos/videos · Quota Cost: 🥞 10 — see Rate Limits & Quota

Configuration

Parameters

Setup Steps

Step 1: Add NexLev Node

• Add the NexLev node to your workflow
• See Quickstart Guide for installation instructions

Step 2: Configure Resource

• Under Resource, select Similar Video

Step 3: Select Operation

• Under Operation, select Get Similar Videos

Step 4: Authentication

• Under Credential to connect with, select your NexLev account
• If not configured, create one using your API Key

Step 5: Enter Video ID ✅ Required

• In the Video ID field, enter the YouTube video ID you want to find similar videos for
• Video IDs are typically 11 characters long (e.g., eLDq5TflHys)

Execution

Click Execute step to retrieve a list of similar videos ranked by relevance.

Response

Use Cases

Leverage similar video discovery in your workflows for:

• Content Research: Find related videos to understand what content performs well in your niche
• Competitive Analysis: Identify similar videos from competitors to analyze their strategies
• Content Recommendations: Build recommendation systems for your audience or platform
• Video Database Building: Create comprehensive databases of related videos with full metadata
• Trend Analysis: Discover trending topics and content patterns by analyzing similar videos
• SEO Research: Study how similar videos optimize titles, descriptions, and tags
• Collaboration Opportunities: Find creators making similar content for partnership opportunities
• Gap Analysis: Identify content opportunities by analyzing what similar videos cover
• Playlist Creation: Automatically generate playlists of related content
• Audience Insights: Understand what type of content attracts similar audiences

Best Practices

Performance Optimization

• Filter by similarity score: Focus on videos with similarity scores above 70 for best matches
• Combine with video details: Use the Similar Videos API with Video Content API for complete analysis
• Cache results: Similar video relationships change slowly, consider caching for 24-48 hours
• Monitor quota usage: Each request costs 🥞 10 quota — cache results and batch wisely to stay within your plan

Common Mistakes to Avoid

❌ Don't: Use similar videos as the only metric for content decisions ✅ Do: Combine similarity data with performance metrics and audience insights

❌ Don't: Ignore the format_score when analyzing video similarities ✅ Do: Consider both similarity_score and format_score for comprehensive analysis

❌ Don't: Process similar videos without filtering by relevance ✅ Do: Set minimum similarity thresholds to ensure quality results

Workflow Examples

These examples show how to implement common use cases in n8n. Each workflow builds on the previous concepts, starting with simple queries and progressing to advanced implementations.

Example 1: Basic Similar Videos Workflow

Difficulty: Beginner | Time: 5 minutes | Use Case: Content discovery

1. Add a Manual Trigger or Schedule Trigger node
2. Add the NexLev node and configure it for Get Similar Videos operation
3. Add a Code node to filter videos by criteria (e.g., similarity_score > 70)
4. Add an output node (e.g., Google Sheets, Airtable, Webhook)

Next Steps: Once you have similar videos, try analyzing their performance metrics.

Example 2: Competitive Content Analysis

Difficulty: Intermediate | Time: 15 minutes | Use Case: Competitor research

1. Add a Manual Trigger node with a competitor's popular video ID
2. Add the NexLev node to get similar videos
3. Add a Loop node to process each similar video
4. Add another NexLev node inside the loop to get video analytics for each result
5. Add a Code node to aggregate and analyze competitor data
6. Add a Google Sheets or Notion node to save the analysis

Next Steps: Combine with channel data to build comprehensive competitor profiles.

Content Recommendation System

1. Add a Webhook Trigger node to receive video ID requests
2. Add the NexLev node to find similar videos
3. Add a Filter node to select high-quality videos (e.g., view count > 10,000)
4. Add a Code node to format the response
5. Add a Respond to Webhook node to return recommendations

Video Research Database

1. Add a Schedule Trigger node (e.g., daily)
2. Add a Google Sheets node to read a list of seed video IDs
3. Add a Loop node to process each video
4. Add the NexLev node inside the loop to find similar videos for each seed
5. Add a Code node to deduplicate and format video data
6. Add an Airtable or Database node to store the video database

Trend Discovery Workflow

1. Add a Manual Trigger node with a trending video ID
2. Add the NexLev node to find similar videos
3. Add a Code node to extract common keywords from titles and descriptions
4. Add a Filter node to select recently published videos (e.g., within last 30 days)
5. Add a Google Sheets node to track trending topics and patterns

Related Resources

• Quickstart Guide - Learn how to set up NexLev with n8n
• Video Content - Get comprehensive video information
• Similar Thumbnails - Find videos with similar thumbnails
• Channel Content - Retrieve channel information and video lists
• Channel Analytics - Get detailed performance metrics for channels
• Similar Channels - Find channels similar to a target channel

Support

If you encounter issues or have questions about the Similar Videos API, please contact our support team at contact@nexlev.io or refer to our troubleshooting guide.