seodata.dev

keyword

100 dollar bill 1990

Monthly search volume and cost-per-click data for "100 dollar bill 1990" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=100+dollar+bill+1990&country=us" +--------------+------------------+ | volume | 6,600 | | cpc | $0.06 | | competition | 0.22 | | country | US | | updated | 2026-06-07 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
1990 $100 bill 8,100 $0.04 19/20
100 dollar bill from 1990 6,600 $0.05 19/20
1990 100 dollar bill 6,600 $0.06 17/20
1990 hundred dollar bill 6,600 $0.06 16/20
1990 series 100 dollar bill 1,300 $0.03 20/20
100 dollar bill series 1990 1,300 $0.03 16/20
us 100 dollar bill 1990 series 1,300 $0.03 16/20
series 1990 hundred dollar bill 1,300 $0.03 15/20
1990 dollar bill 70 $0.01 16/20
old 100 dollar bill 1990 50 $0.02 17/20

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/keyword?q=100+dollar+bill+1990&country=us" 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