seodata.dev

keyword

the best seller book of all time

Monthly search volume and cost-per-click data for "the best seller book of all time" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=the+best+seller+book+of+all+time&country=us" +--------------+------------------+ | volume | 9,900 | | cpc | $2 | | competition | 0.91 | | country | US | | updated | 2026-03-30 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
most sold book of all time 12,100 $0.78 18/20
top sold books of all time 12,100 $0.47 15/20
all time best selling books 12,100 $0.78 14/20
top seller books of all time 1,000 $2.58 17/20
the best seller novels of all time 1,000 $2 15/20
best seller book of all time 590 $0 20/20
top best seller books of all time 90 $0 17/20
top bestseller books of all time 90 $0 17/20
bestselling novels ever 30 $0 16/20
most sold books all time 30 $0 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/keyword?q=the+best+seller+book+of+all+time&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