keyword

1990s $100 dollar bill value

Monthly search volume and cost-per-click data for "1990s $100 dollar bill value" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=1990s+$100+dollar+bill+value&country=us" +--------------+------------------+ | volume | 70 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-16 | +--------------+------------------+

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
old $100 bills	27,100	$0.07	14/20
old $100 dollar bill	27,100	$0.07	14/20
100 dollar bill old	27,100	$0.07	12/20
old $100 dollar bills	27,100	$0.05	12/20
1990 $100 bill	8,100	$0.04	19/20
1990 one hundred dollar bill	8,100	$0.04	13/20
100 dollar bill 1990	6,600	$0.05	19/20
series 1981 a 100 dollar bill	2,400	$0.06	13/20
1990 series 100 dollar bill	1,300	$0.03	20/20
how much is a 1990 series $100 bill worth	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://api.seodata.dev/v1/keyword?q=1990s+$100+dollar+bill+value&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