SEMrush Competitor Analysis - Discover & Compare Competitors

"Find Your Competitors and Analyze Their Strategy" by John Rippy | johnrippy.link

🏆 2025 Zapier Automation Hero of the Year — Project Phoenix: A 95-step AI sales pipeline cutting development time by 50%. Read more →

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Discover and analyze your competitors with SEMrush data using your own API key (BYOK). Find organic and paid competitors, compare traffic and keywords, and understand competitive positioning.

What You Get

Competitor Discovery

• Organic Competitors: Sites competing for same organic keywords
• Paid Competitors: Sites bidding on same paid keywords
• Competition Level: How closely you compete (0-100%)
• Common Keywords: Number of shared keywords

Competitor Metrics

• Authority Score: Domain authority
• Organic Traffic: Estimated monthly organic visitors
• Organic Keywords: Total ranking keywords
• Paid Traffic: Estimated PPC visitors
• Paid Keywords: Active ad keywords

Common Keywords Analysis

• Top shared keywords between you and each competitor
• Your position vs competitor position
• Search volume, CPC, competition

Input Parameters

Parameter	Type	Default	Description
semrushApiKey	string	-	Your SEMrush API key
domain	string	-	Your domain to analyze
database	string	us	Country database
competitorType	string	organic	organic, paid, or both
competitorLimit	integer	20	Max competitors to find
includeCommonKeywords	boolean	true	Get shared keywords
commonKeywordsLimit	integer	10	Max common keywords
webhookUrl	string	-	Webhook endpoint
webhookPlatform	string	custom	zapier, make, n8n, custom
demoMode	boolean	true	Return sample data

Example Usage

Basic Competitor Discovery

{
  "semrushApiKey": "your-api-key",
  "domain": "yoursite.com",
  "database": "us",
  "demoMode": false
}

Organic Competitors Only

{
  "semrushApiKey": "your-api-key",
  "domain": "yoursite.com",
  "competitorType": "organic",
  "competitorLimit": 30,
  "demoMode": false
}

Both Organic & Paid

{
  "semrushApiKey": "your-api-key",
  "domain": "yoursite.com",
  "competitorType": "both",
  "competitorLimit": 40,
  "demoMode": false
}

Deep Analysis with Keywords

{
  "semrushApiKey": "your-api-key",
  "domain": "yoursite.com",
  "includeCommonKeywords": true,
  "commonKeywordsLimit": 25,
  "demoMode": false
}

With Webhook

{
  "semrushApiKey": "your-api-key",
  "domain": "client-site.com",
  "webhookUrl": "https://hooks.zapier.com/hooks/catch/123/abc",
  "webhookPlatform": "zapier",
  "demoMode": false
}

Output Example

{
  "sourceDomain": "yoursite.com",
  "competitorDomain": "competitor.com",
  "competitorType": "organic",
  "competitionLevel": 78.5,
  "commonKeywords": 1250,
  "organicTraffic": 150000,
  "organicKeywords": 8500,
  "paidTraffic": 5000,
  "paidKeywords": 350,
  "authorityScore": 72,
  "topCommonKeywords": [
    {
      "keyword": "project management software",
      "searchVolume": 12000,
      "yourPosition": 5,
      "competitorPosition": 3,
      "cpc": 8.50,
      "competition": 0.92
    },
    {
      "keyword": "team collaboration tools",
      "searchVolume": 6500,
      "yourPosition": 8,
      "competitorPosition": 2,
      "cpc": 5.20,
      "competition": 0.85
    }
  ],
  "database": "us",
  "analysisDate": "2025-01-01T12:00:00.000Z"
}

Competition Level Explained

Range	Meaning
80-100%	Direct competitors - very similar audience
60-80%	Strong competitors - significant overlap
40-60%	Moderate competitors - some shared keywords
20-40%	Weak competitors - minimal overlap
0-20%	Peripheral - tangential relationship

SEMrush API Units

API Call	Units
Organic Competitors	10 per request
Paid Competitors	10 per request
Domain Rank	10 per domain
Common Keywords	40 per pair

Typical analysis: 50-200 units depending on options

Pricing

Event	Description	Price
Actor start	Base cost per run	$0.05
Domain analyzed	Per domain	$0.05
Organic competitors fetched	Per batch	$0.02
Paid competitors fetched	Per batch	$0.02
Webhook sent	Per notification	$0.01

Use Cases

Competitive Intelligence

Discover who you're really competing against.

Market Analysis

Understand your competitive landscape.

Keyword Gap Analysis

Find keywords competitors rank for that you don't.

PPC Strategy

Identify who's bidding on your keywords.

Client Onboarding

Quickly assess competitive environment for new clients.

Getting Your SEMrush API Key

1. Log in to SEMrush
2. Go to My Profile → API → Subscription Info
3. Copy your API key
4. Paste into the semrushApiKey input field

Limitations

• API rate limits depend on your SEMrush subscription
• Common keywords feature uses more API units
• Results depend on SEMrush database coverage

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Built by John Rippy | johnrippy.link

🏆 2025 Zapier Automation Hero of the Year — Project Phoenix: A 95-step AI sales pipeline cutting development time by 50%. Read more →

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Keywords

semrush competitors, competitor analysis, organic competitors, paid competitors, common keywords, competitive intelligence, market analysis, semrush api, byok semrush, zapier integration, make integration, n8n integration