keyword

1981 series 100 dollar bill have a security strip

Monthly search volume and cost-per-click data for "1981 series 100 dollar bill have a security strip" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=1981+series+100+dollar+bill+have+a+security+strip&country=us" +--------------+------------------+ | volume | 30 | | cpc | $0 | | competition | 0.61 | | 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
100 dollar bill 1996 series	2,400	$0.06	7/20
series 1996 hundred dollar bill	2,400	$0.07	7/20
fake old 100 dollar bill	1,000	$0	10/20
1981 series $100 dollar bill watermark	40	$0	11/20
1990 series 100 dollar bill security features	40	$0	7/20
does a 1981 hundred dollar bill have a security strip	30	$0	11/20
1981 series 100 dollar bill security features	30	$0	9/20
how to tell if 100 dollar bill is real old	30	$0	8/20
how to tell old 100 dollar bill is real	30	$0	8/20
1981 hundred dollar bill fake	20	$0	11/20

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=1981+series+100+dollar+bill+have+a+security+strip&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