keyword

100 dollar bill marker

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

$ curl "https://api.seodata.dev/v1/keyword?q=100+dollar+bill+marker&country=us" +--------------+------------------+ | volume | 90 | | cpc | $0.46 | | competition | 0.92 | | country | US | | updated | 2026-06-07 | +--------------+------------------+

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
counterfeit marker	6,600	$0.44	18/20
counterfeit money marker	3,600	$1.39	14/20
counterfeit money detector pen	3,600	$1.39	13/20
counterfeit pen	3,600	$0.87	13/20
counterfeit money pen	3,600	$0.26	12/20
counterfeit detector pen	2,900	$1.26	14/20
money pen	1,600	$0.32	17/20
money checker pen	1,600	$0.26	12/20
100 dollar bill checker pen	30	$0.11	14/20
fake 100 dollar bill pen	10	$0.17	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=100+dollar+bill+marker&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