seodata.dev

keyword

top selling books

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

$ curl "https://app.seodata.dev/v1/keyword?q=top+selling+books&country=us" +--------------+------------------+ | volume | 2,900 | | cpc | $0.43 | | competition | 0.91 | | country | US | | updated | 2026-05-29 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
best-selling book 27,100 $0.54 20/20
best-selling books 27,100 $0.62 20/20
best selling book 22,200 $0.36 20/20
best selling books 22,200 $0.36 20/20
best seller books 14,800 $0.41 20/20
bestselling books 14,800 $0.41 20/20
best sellers book 12,100 $0.59 20/20
best seller book 9,900 $0.55 20/20
books best seller 9,900 $0.55 20/20
best sellers book list 2,900 $0.67 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=top+selling+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