keyword

most expensive banknote

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

$ curl "https://app.seodata.dev/v1/search-volume?q=most-expensive-banknote" +--------------+------------------+ | 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
most expensive bank note	70	$1.77	16/20
most valuable banknote	70	$1.77	12/20
most valuable banknotes	70	$0	12/20
most valuable paper currency	70	$1.77	9/20
most valuable bill	50	$0	10/20
most valuable banknote in the world	30	$0	13/20
most valuable banknotes in the world	30	$0	11/20
highest value banknote	30	$0	10/20
highest value banknote in the world	30	$0	10/20
most valuable bill in the world	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://app.seodata.dev/v1/search-volume?q=most-expensive-banknote" 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