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SEO keyword research

DataForSEO: pay-as-you-go SEO data API for keyword research, SERP data, and backlink analysis.

SEOCommunity

dataforseo.com

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API Key

About SEO keyword research

DataForSEO is a pay-as-you-go API platform providing raw SEO data to developers, agencies, and SaaS builders. It covers keyword research (search volume, CPC, difficulty), SERP analysis across Google, Bing, Yahoo, Baidu, YouTube, and Amazon, backlink data, site audits, and rank tracking. Pricing is purely usage-based with no monthly subscription. The Keywords Data API pulls from Google Ads, Bing, Amazon, and Google Trends data sources.

AI Agent Use Cases

- Keywords Data API: search volume, CPC, competition scores from Google Ads and Bing

- DataForSEO Labs API: keyword difficulty, related keywords, ranked keywords per domain, SERP intersection

- SERP API: real-time and cached results across 230+ locations including AI Overviews, PAA, and featured snippets

- Backlink API: referring domains, anchor text, and link history

- On-page and site audit API

- Pay-as-you-go with no subscription lock-in; minimum $50 deposit, $1 free credit at signup