seodata.dev

keyword

pencil pen

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

$ curl "https://app.seodata.dev/v1/keyword?q=pencil+pen&country=us" +--------------+------------------+ | volume | 720 | | cpc | $0.81 | | competition | 1 | | country | US | | updated | 2026-06-14 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
pen 135,000 $9.09 5/20
pens 135,000 $9.54 4/20
japanese pens 3,600 $0.64 4/20
writing pens 2,400 $2.03 4/20
pen and pencil 1,600 $1.17 10/20
japanese pen 1,600 $0.6 4/20
pencil and pen 1,300 $0.87 15/20
pen pencil 1,300 $0.82 13/20
pen to pencil 1,300 $0.82 5/20
ball pen with pencil 50 $0.42 5/20

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=pencil+pen&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