seodata.dev

keyword

is a 1988 twenty dollar bill worth anything

Monthly search volume and cost-per-click data for "is a 1988 twenty dollar bill worth anything" in US.

$ curl "https://app.seodata.dev/v1/search-volume?q=is-a-1988-twenty-dollar-bill-worth-anything" +--------------+------------------+ | volume | 40 | | 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
1988 a $20 bill 4,400 $0.06 8/20
20 dollar bill 1988 4,400 $0.04 8/20
1988 20 dollar bill 3,600 $0.08 7/20
series 1988 a 20 dollar bill 1,300 $0.26 6/20
20 dollar bill 1988 value 30 $0 6/20
is a 20 dollar bill from 1990 worth anything 20 $0 7/20
old 20 dollar bill 1985 worth 20 $0 7/20
how much is a 1950 series a $20 bill worth 20 $0 6/20
series 1985 $20 dollar bill worth 20 $0 6/20
old $20 dollar bill 1988 10 $0 12/20

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=is-a-1988-twenty-dollar-bill-worth-anything" 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