seodata.dev

keyword

foundation trilogy

Monthly search volume and cost-per-click data for "foundation trilogy" in US.

$ curl "https://app.seodata.dev/v1/search-volume?q=foundation-trilogy&country=us" +--------------+------------------+ | volume | 2,400 | | cpc | $0.42 | | competition | 0.6 | | country | US | | updated | 2026-03-30 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
foundation book series 14,800 $1.37 20/20
foundation series 14,800 $1.37 18/20
foundation books 9,900 $0.29 14/20
foundation isaac asimov series 6,600 $0.58 19/20
isaac asimov foundation 6,600 $0.58 16/20
foundation isaac asimov 4,400 $0.7 14/20
asimov foundation 2,900 $1.03 15/20
foundation trilogy asimov 2,400 $0.49 20/20
the foundation series 1,300 $2.41 20/20
the foundation trilogy 880 $0.59 16/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/search-volume?q=foundation-trilogy&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt