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Best keyword density APIs

YouTube Keyword Explorer API

Get suggestions for popular keywords on YouTube, showing current search terms and their volume to optimize content.

Search & Discovery Free 7-Day Trial

100% uptime 248ms avg MCP ready

SEO Word Metrics API

Receives a keyword and returns volume, CPC, competition, and score for multiple related terms, optimizing SEO and PPC research.

Data & Analytics Free 7-Day Trial

100% uptime 533ms avg MCP ready

Keyword Density Analyzer API

The Keyword Density Analyzer API evaluates the frequency of keywords within the text, offering valuable information to strategically optimize content and improve search engine visibility.

Natural Language Processing (NLP)

100% uptime 662ms avg MCP ready

Content Keyword Density API

The Content Keyword Density API assesses keyword frequency in text, providing strategic insights to optimize content and enhance search engine visibility.

Natural Language Processing (NLP)

100% uptime 735ms avg MCP ready

Text Keywords Density API

The Text Keywords Density API analyzes the frequency of keywords within text, offering valuable insights to improve content optimization and boost search engine ranking.

Natural Language Processing (NLP) Free 7-Day Trial

100% uptime 379ms avg MCP ready

Keyword Search Volume API

Access real-time search volume and CPC data to optimize your campaigns effectively.

Search & Discovery Free 7-Day Trial

100% uptime 40ms avg MCP ready

URL Keyword Finder API

Receives a URL and returns keywords related to search volume, competition level, advertising bids, and historical trends.

Search & Discovery Free 7-Day Trial

100% uptime 832ms avg MCP ready

Keyword Volume Information API

Find SEO opportunities with keyword metrics like global/local volume, difficulty, CPC, user intent, and SERP features to guide content strategies.

Search & Discovery Free 7-Day Trial

100% uptime 49ms avg MCP ready

Global Keywords Stats API

Get global and local keyword insights, including volume, CPC, difficulty, intent, and SERP data for informed SEO and advertising decisions.

Data & Analytics Free 7-Day Trial

100% uptime 36ms avg MCP ready

Keyword Rank Scope API

Powerful keyword intelligence API delivering search volume, cost-per-click, competition, trends, and SERP results by region with actionable SEO insights.

Search & Discovery Free 7-Day Trial

100% uptime 60ms avg MCP ready

Keyword Scope Data API

API for real-time keyword tracking with monthly trends, search intent segmentation, CPC, difficulty score, and SERP result enrichment per country.

Search & Discovery Free 7-Day Trial

100% uptime 297ms avg MCP ready

SEO Difficulty Tracker API

Uncover search demand, keyword competitiveness, regional performance, and intent breakdown with this high-precision keyword analysis and SERP intelligence API.

Search & Discovery Free 7-Day Trial

100% uptime 342ms avg MCP ready

Keyword Data Retrieval Engine API

Access comprehensive keyword data with the Keyword Data Retrieval Engine API to optimize your online presence.

Data & Analytics Free 7-Day Trial

100% uptime 399ms avg MCP ready

Keyword Information Extractor API

Extract detailed keyword information effortlessly with the Keyword Information Extractor API, boosting your SEO game.

Data & Analytics Free 7-Day Trial

100% uptime 518ms avg MCP ready

SEO Keywords Analyzer API

The SEO Keywords Analyzer API assesses keyword frequency in text, providing crucial insights for optimizing content strategically and enhancing search engine visibility.

Data & Analytics

100% uptime 1,512ms avg MCP ready

Keyword Occurrences and Density Checker API

Use this API to recognize the number of times a keyword appears in a given text, and also the density of that keyword on the text.

Natural Language Processing (NLP) Free 7-Day Trial

100% uptime 780ms avg MCP ready

Keyword Analytics Data API

Unlock powerful keyword insights to boost your e-commerce sales with the Keyword Analytics Data API.

Data & Analytics Free 7-Day Trial

100% uptime 660ms avg MCP ready

Text Keyword Evaluator API

The Text Keyword Evaluator API evaluates keyword occurrence within text, delivering valuable insights to refine content and improve search engine visibility.

Natural Language Processing (NLP)

100% uptime 874ms avg MCP ready

Keyword Data Engine API

Get CPC, competition, and monthly search volume trends by keyword — perfect for SEO, PPC planning, and market analysis tools.

Data & Analytics Free 7-Day Trial

100% uptime 4,932ms avg MCP ready

Keyword Alchemy Discovery API

This Keyword Magic Tool API Find millions of keyword suggestions for your SEO. find Keyword, Volume, CPC (USD), Intent, Keyword Difficulty, SERP Features,Trend.

Search & Discovery Free 7-Day Trial

100% uptime 2,592ms avg MCP ready

Advanced SEO Keywords API

Get detailed keyword research data including volume, CPC, intent, difficulty, trends, SERP insights, and SEO recommendations by country and globally.

Search & Discovery Free 7-Day Trial

100% uptime 3,825ms avg MCP ready

SEO Keyword Optimization API

The SEO Keyword Optimization API evaluates keyword frequency within text, offering essential insights to strategically optimize content and improve search engine visibility.

Search & Discovery