keyword

fake 100 dollar bill pen

Monthly search volume and cost-per-click data for "fake 100 dollar bill pen" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=fake+100+dollar+bill+pen&country=us" +--------------+------------------+ | volume | 10 | | cpc | $0.17 | | competition | 0.31 | | country | US | | updated | 2026-06-07 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
counterfeit marker	6,600	$0.44	16/20
counterfeit detector pen	3,600	$0.99	14/20
counterfeit pen	3,600	$0.87	13/20
counterfeit money marker	3,600	$0.11	12/20
money pen	1,600	$0.32	15/20
money checker pen	1,600	$0.26	12/20
marker for dollar bills	110	$0.53	12/20
what color does a fake bill turn when marked	110	$0	12/20
100 dollar bill marker	90	$0.46	15/20
how to tell counterfeit money with marker	40	$0	12/20

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=fake+100+dollar+bill+pen&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt