seodata.dev

keyword

coolest pen

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

$ curl "https://api.seodata.dev/v1/keyword?q=coolest+pen&country=us" +--------------+------------------+ | volume | 4,400 | | cpc | $0.69 | | competition | 1 | | country | US | | updated | 2026-06-23 | +--------------+------------------+
All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
pens best 14,800 $0.97 13/20
best pen 12,100 $0.99 16/20
best pen to write 9,900 $0.91 20/20
best pen for writing 9,900 $0.8 19/20
best pen writing 9,900 $0.91 19/20
best pens for writing 9,900 $0.96 16/20
best writing pens 9,900 $0.85 15/20
coolest pens 4,400 $0.69 20/20
best ink pens 1,300 $0.85 18/20
best ink pen 1,300 $1.01 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://api.seodata.dev/v1/keyword?q=coolest+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