seodata.dev

keyword

john douglas book

Monthly search volume and cost-per-click data for "john douglas book" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=john+douglas+book&country=us" +--------------+------------------+ | volume | 1,300 | | cpc | $0.5 | | competition | 0.89 | | country | US | | updated | 2026-06-13 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
john douglas mindhunter 12,100 $0.34 13/20
john douglas 9,900 $4.72 12/20
john e douglas 8,100 $3.41 14/20
john douglas books 1,300 $0.65 14/20
books by john douglas 1,300 $0.39 13/20
john e douglas book 170 $0.38 14/20
john e douglas books 170 $0.23 14/20
books by john e douglas 110 $0.37 15/20
john douglass book 30 $0.36 13/20
john douglas latest book 10 $0 15/20

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=john+douglas+book&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