seodata.dev

keyword

pen douglas

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

$ curl "https://app.seodata.dev/v1/keyword?q=pen+douglas&country=us" +--------------+------------------+ | volume | 50 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-15 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
penelope douglas 22,200 $0.34 16/20
penelope douglas author 22,200 $0.45 16/20
author penelope douglas 22,200 $0.34 11/20
penelope douglas books 9,900 $0.32 11/20
penelope douglas books in order 1,300 $0.21 7/20
penelope douglas new book 140 $0.11 7/20
penelope douglas new books 140 $0.11 6/20
penelope douglas wikipedia 110 $0 7/20
penelope douglas website 40 $0 9/20
penelope douglas new releases 30 $0 6/20

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=pen+douglas&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