📘 Related Keywords API Documentation
Get keyword suggestions with CPC, search volume, competition level, and keyword relevance score.
The Related Keywords API helps you discover high-performing keyword suggestions based on a seed keyword. It returns semantically related keywords along with valuable SEO metrics like CPC (Cost per Click), search volume, competition, and an internal score representing keyword potential.
This API is ideal for SEO tools, content marketers, PPC advertisers, and keyword research platforms aiming to optimize organic and paid search strategies.
🎯 Key Benefits
-
🔍 Discover profitable long-tail keywords
-
📊 Get real-time search volume and CPC data
-
⚔️ Evaluate competition to plan your SEO/PPC campaigns
-
🎯 Optimize content with relevant keyword clusters
-
🚀 Ideal for keyword clustering, SERP analysis, and campaign targeting
🌐 Base URL
https://vebapi.com/api/seo/keywordresearch
📥 Input Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
keyword |
string | ✅ Yes | The main keyword to find related suggestions for. Example: email marketing |
country |
string | ✅ Yes | 2-letter country code (ISO Alpha-2). Example: us for United States, in for India |
Header:
Must include your API key in the request headers.
X-API-KEY: YOUR_API_KEY
📤 Output Response
The response is a JSON array of related keyword objects. Each object includes the following fields:
| Field | Type | Description |
|---|---|---|
text |
string | Suggested keyword text |
cpc |
string | Approximate cost-per-click in USD |
vol / v |
number | Monthly search volume |
competition |
string | Competition level: Low, Medium, or High |
score |
string | Internal relevance score (based on volume, CPC, and competition) |