POST/v1/seo/keywords/ideas

Keyword Ideas API

Generate hundreds of keyword ideas from any seed keyword with volume, CPC, and difficulty scores. Content planning and topic expansion from $0.03/call.

Enter one seed keyword and get back a list of related keyword ideas with search volume, CPC, and difficulty data. Perfect for expanding content calendars and finding long-tail opportunities.

Full Docs Get API Key — Free $5 Credit $0.02 / call

Try it live

Fill in the fields and hit Run to see a real response.

POST/v1/seo/keywords/ideaskeywords-ideas$0.02/call (+$0.02 per 100 results)

Response

Example response — hit "Send Request" to see a live result

{
  "ok": true,
  "data": [
    {
      "keyword": "react framework comparison",
      "searchVolume": 2400,
      "cpc": 1.8,
      "difficulty": 38
    },
    {
      "keyword": "best react framework 2026",
      "searchVolume": 6600,
      "cpc": 2.1,
      "difficulty": 42
    },
    {
      "keyword": "react framework for beginners",
      "searchVolume": 1900,
      "cpc": 0.9,
      "difficulty": 28
    }
  ]
}

Features

✓Generate up to 700 keyword ideas from a single seed

✓Each idea includes search volume, CPC, and difficulty

✓Configurable result limit

✓Location and language targeting

✓Clean camelCase response format

Use cases

Content Calendar Planning

Generate months of blog topics from a single seed keyword, each backed by real search demand data.

Long-Tail Discovery

Uncover low-competition, high-intent keyword variations that are easier to rank for and drive qualified traffic.

Topic Cluster Expansion

Build comprehensive content hubs by discovering every related subtopic around your core pillar pages.

Niche Market Research

Validate new market opportunities by analyzing the breadth and depth of keyword demand in any vertical.

Blog Post Ideation

Stop guessing what to write — generate hundreds of content ideas ranked by search volume and competition.

Quick start

Copy this snippet and start making calls.

const res = await fetch('https://api.yepapi.com/v1/seo/keywords/ideas', {
  method: 'POST',
  headers: {
    'x-api-key': 'YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "keyword": "react framework",
    "limit": 50,
    "location_code": 2840,
    "language": "en"
  }),
});
const data = await res.json();
console.log(data);

What developers say

“Switched from SerpAPI and cut our SERP costs by 80%. Same data quality, way simpler billing.”
Marcus T.
SEO Platform Founder

“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”
Priya S.
Full-Stack Developer

“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”
Jake R.
Indie Hacker

Frequently asked questions

Enter one seed keyword and get back a list of related keyword ideas with search volume, CPC, and difficulty data. Perfect for expanding content calendars and finding long-tail opportunities.

Each API call costs $0.02 (+$0.02 per 100 results). No monthly minimums or subscriptions — you only pay for what you use.

Sign up for a free API key, then send a POST request to /v1/seo/keywords/ideas. Check the code example above for a ready-to-use snippet in JavaScript, cURL, or Python.

YepAPI bundles SEO, AI, and web scraping APIs under one key with no monthly minimums. You get lower per-call pricing, a unified dashboard, and one billing account instead of managing multiple providers.