seodata.dev

keyword

best ever books

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

$ curl "https://app.seodata.dev/v1/keyword?q=best+ever+books&country=us" +--------------+------------------+ | volume | 40,500 | | cpc | $0.52 | | competition | 0.99 | | country | US | | updated | 2026-05-21 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
best book all time 40,500 $0.52 20/20
best book ever 33,100 $0.43 20/20
best books of all time 33,100 $0.43 20/20
top books of all time 33,100 $0.43 20/20
greatest books to read 8,100 $0.62 20/20
greatest book 5,400 $1.49 20/20
greatest books ever 5,400 $0.55 20/20
greatest books of all time 5,400 $0.37 20/20
best books ever 3,600 $0.71 20/20
must read books of all time 3,600 $0.43 20/20

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=best+ever+books&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