seodata.dev

keyword

best seller in the world

Monthly search volume and cost-per-click data for "best seller in the world" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=best+seller+in+the+world&country=us" +--------------+------------------+ | volume | 30 | | cpc | $0 | | competition | 0.35 | | country | US | | updated | 2026-05-25 | +--------------+------------------+

# 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 13/20
best sold book of all time 12,100 $0.65 12/20
top sold books of all time 12,100 $0.78 12/20
best selling books of all times 12,100 $0.78 11/20
best seller book of all time 9,900 $2 14/20
the best seller book of all time 9,900 $2 12/20
best seller novel 590 $0.3 11/20
most seller book 110 $2.66 13/20
best selling literature 50 $0.98 11/20
which is the best seller book in the world 10 $0 12/20

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+seller+in+the+world&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