SEMrush Content Gap Analysis - Find Missing Keywords
Pricing
from $0.01 / 1,000 results
SEMrush Content Gap Analysis - Find Missing Keywords
Find content gaps and untapped keyword opportunities using SEMrush data and your own API key (BYOK). Discover keywords your competitors rank for that you don't, and identify weak spots where you rank lower Missing Keywords Weak Keywords Untapped Keywords
Pricing
from $0.01 / 1,000 results
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Developer

John Rippy
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1
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3 days ago
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What is SEMrush?
SEMrush is a leading SEO and digital marketing platform used by over 10 million marketers. This actor connects to the official SEMrush API to extract data.
Important: You need a SEMrush account with API access. The API is available on Business plans and higher.
How to Get Your SEMrush API Key
- Log in to SEMrush
- Go to your profile (top right) → Subscription Info
- Find your API key in the API section
- Copy the key and paste it in the
semrushApiKeyfield
Discover content gaps - keywords competitors rank for that you don't. Find untapped keyword opportunities with SEMrush data. BYOK (Bring Your Own Key) - use your SEMrush API key.
Features
- Automated data collection
- Structured output format
- Error handling
- Pay-per-event billing
Quick Start
{"input": "your input here"}
Demo Mode
Set demoMode: true to test with sample data (no charges). When you're ready for real results, set demoMode: false or omit it.
{"demoMode": true,...}
Input Parameters
| Parameter | Type | Default | Description |
|---|---|---|---|
semrushApiKey | string | - | Your SEMrush API key |
yourDomain | string | - | Your domain |
competitors | array | - | Competitor domains (up to 4) |
database | string | us | Country database |
gapType | string | missing | missing, weak, untapped, all |
keywordLimit | integer | 100 | Max keywords to return |
minVolume | integer | 100 | Minimum search volume |
maxDifficulty | integer | 70 | Maximum keyword difficulty |
webhookUrl | string | - | Webhook endpoint |
webhookPlatform | string | custom | zapier, make, n8n, custom |
demoMode | boolean | true | Return sample data |
Output Format
{"data": [...]}
Pricing
This actor uses pay-per-event billing:
| Event | Description | Price |
|---|---|---|
| Actor start | Base cost per run | $0.05 |
| Gap analysis complete | Per analysis | $0.05 |
| Webhook sent | Per notification | $0.01 |
Use Cases
Content Strategy
Build a content calendar based on proven competitor topics.
SEO Optimization
Find quick wins to improve existing content.
Competitive Intelligence
Understand competitor content strategy.
Client Proposals
Show prospects what opportunities they're missing.
Content Auditing
Identify gaps in your content coverage.
Common Problems & Solutions
"Invalid API key" error
Cause: Your API key is wrong, expired, or doesn't have the right permissions. Fix: Double-check your API key. Make sure you copied it exactly without extra spaces.
"Rate limit exceeded" error
Cause: You've hit the API's rate limits. Fix: Wait a few minutes, then try again. Consider reducing the number of concurrent requests.
Empty or incomplete results
Cause: The target may have anti-scraping protection or the data doesn't exist. Fix:
- Check if the URL/search query is correct
- Try with different parameters
- Some sites may block automated access
Demo data showing instead of real results
Cause: demoMode is still set to true.
Fix: Set demoMode: false and provide your API key(s).
Built by John Rippy | Actor Arsenal