seodata.dev

keyword

100 best books of 21st century

Monthly search volume and cost-per-click data for "100 best books of 21st century" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=100+best+books+of+21st+century&country=us" +--------------+------------------+ | volume | 4,400 | | cpc | $0.45 | | competition | 0.01 | | country | US | | updated | 2026-06-16 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
the best books of the 21st century 6,600 $0.4 12/20
top 100 books of the 21st century 4,400 $0.45 20/20
100 best books of the 21st century 3,600 $0.21 20/20
100 best books 1,900 $0.85 14/20
nyt best books of 21st century 1,900 $0 14/20
new york times top 100 books of all time 1,600 $0.52 14/20
100 best novels 21st century 170 $0.19 14/20
top 100 novels 21st century 50 $1.89 13/20
the best 100 books of the 21st century 40 $0 13/20
100 greatest books of the 21st century 30 $0 13/20

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=100+best+books+of+21st+century&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