keyword

the most expensive dollar bill

Monthly search volume and cost-per-click data for "the most expensive dollar bill" in US.

$ curl "https://app.seodata.dev/v1/search-volume?q=the-most-expensive-dollar-bill" +--------------+------------------+ | volume | 70 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-03-29 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
rare dollar bills	4,400	$0.08	17/20
1 dollar bills worth money	3,600	$0.3	10/20
one dollar bill rare	2,400	$0.05	13/20
most expensive dollar bill	390	$0.02	13/20
most valuable dollar bill	320	$0.34	13/20
what is the most expensive dollar bill	170	$0	12/20
what is the most rare dollar bill	50	$0	13/20
most expensive dollar bill in the world	30	$0	15/20
most valuable dollar bill in the world	30	$0	14/20
world's most expensive dollar bill	30	$0	14/20

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=the-most-expensive-dollar-bill" 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