Keyword Research APIs APIs

Search volume, CPC, and competition data for any keyword

Access Google Ads keyword data including exact search volumes, CPC, competition score, and historical trends. Also returns related keywords, autocomplete suggestions, and People Also Ask data.

Keyword difficulty, volume, and opportunity scoring

Moz's keyword API provides monthly search volume, difficulty scores, organic CTR opportunity, and priority scores to help you prioritize the right keyword targets.

Comprehensive keyword data from SEMrush's 20B keyword database

Query SEMrush's keyword database for volume, trend, CPC, competition, and SERP features. Access phrase match, related keywords, and keyword gap data programmatically.

Keywords Explorer data via Ahrefs' live index

Access Ahrefs' keyword data including volume, keyword difficulty, clicks, return rate, and SERP overview — covering parent topic, traffic potential, and related keyword suggestions.

Autocomplete-based keyword suggestions for 20+ platforms

Generate keyword ideas from Google, YouTube, Bing, Amazon, Instagram, Twitter, and App Store autocomplete. Great for discovering long-tail queries at scale.

Affordable search volume and CPC data across platforms

A cost-effective API for bulk search volume and CPC data. Supports Google, YouTube, Amazon, Etsy, eBay, and more. Popular with SEOs for its simple credit-based pricing.

Competitor keyword intelligence at scale

SpyFu's API reveals keywords any domain ranks for organically and in paid search. Uncover competitor strategies, winning ad copies, and untapped keyword opportunities.

Neil Patel's keyword research and content ideas API

Access keyword suggestions, search volume, SEO difficulty, paid difficulty, and content ideas via Ubersuggest's API. Good for budget-conscious teams needing reliable data.