seodata.dev

keyword

complicated books

Monthly search volume and cost-per-click data for "complicated books" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=complicated+books&country=us" +--------------+------------------+ | volume | 50 | | cpc | $0 | | competition | 0.09 | | country | US | | updated | 2026-05-21 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
challenging books 2,900 $0.36 20/20
hardest book to read 2,400 $0.46 20/20
hardest books to read 2,400 $0.36 20/20
hardest novels to read 2,400 $0.46 20/20
most difficult books to read 2,400 $0.46 20/20
difficult book to read 2,400 $0.36 14/20
hard novels to read 2,400 $0.36 14/20
books that are difficult to read 170 $0 15/20
difficult novels 70 $0.01 15/20
challenging books to read 50 $0 14/20

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/keyword?q=complicated+books&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt