keyword

1988 series 100 dollar bill security features

Monthly search volume and cost-per-click data for "1988 series 100 dollar bill security features" in US.

$ curl "https://app.seodata.dev/v1/search-volume?q=1988-series-100-dollar-bill-security-features" +--------------+------------------+ | volume | 70 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-03-30 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
100 dollar bills	135,000	$0.24	12/20
100 dollars bill	135,000	$0.13	11/20
old $100 dollar bill	27,100	$0.07	12/20
old 100 dollar bill	22,200	$0.06	13/20
1988 100 dollar bill	2,400	$0.09	12/20
old 100 dollar bill real or fake	1,600	$2.27	14/20
1988 series 100 bill security features	70	$0	15/20
1988 hundred dollar bill security features	50	$0	16/20
100 dollar bill 1988 security features	40	$0	16/20
1988 one hundred dollar bill security features	40	$0	13/20

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=1988-series-100-dollar-bill-security-features" 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