keyword

100 dollar bill 1981 value

Monthly search volume and cost-per-click data for "100 dollar bill 1981 value" in US.

$ curl "https://app.seodata.dev/v1/search-volume?q=100-dollar-bill-1981-value" +--------------+------------------+ | volume | 170 | | cpc | $0.02 | | competition | 0.02 | | country | US | | updated | 2026-03-30 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
series 1981 a 100 dollar bill	2,400	$0.06	20/20
1981 $100 bill	1,600	$0.07	20/20
1981 series 100 dollar bill	1,600	$0.05	20/20
1981 100 dollar bill worth	170	$0.02	17/20
1981 hundred dollar bill value	170	$0.06	17/20
1981 one hundred dollar bill value	170	$0.06	17/20
1981 100 dollar bill value	170	$0.02	16/20
1981 series 100 dollar bill value	110	$1.42	16/20
how much is a $100 bill from 1981 worth	90	$0.02	16/20
how much is a 100 dollar bill from 1981 worth	90	$0.02	16/20

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/search-volume?q=100-dollar-bill-1981-value" 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