seodata.dev

keyword

purchase pens

Monthly search volume and cost-per-click data for "purchase pens" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=purchase+pens&country=us" +--------------+------------------+ | volume | 30 | | cpc | $0 | | competition | 0.76 | | country | US | | updated | 2026-06-23 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
pen 135,000 $9.09 14/20
pens 135,000 $9.54 12/20
pen store 4,400 $1.38 12/20
pen shop 1,000 $1.38 12/20
buy pens 480 $15.25 11/20
where to buy nice pen 260 $1.33 9/20
buying pens online 110 $6.59 10/20
buy pen 70 $9.62 10/20
pen to buy 70 $10.49 10/20
purchase pen 30 $11.29 13/20

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=purchase+pens&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