seodata.dev

keyword

1990 $100 bill

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

$ curl "https://app.seodata.dev/v1/keyword?q=1990+$100+bill&country=us" +--------------+------------------+ | volume | 8,100 | | cpc | $0.04 | | competition | 0.29 | | country | US | | updated | 2026-06-07 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
1990 one hundred dollar bill 8,100 $0.04 16/20
hundred dollar bill 1990 8,100 $0.04 14/20
100 dollar 1990 8,100 $0.04 12/20
100 dollar bill 1990 6,600 $0.05 18/20
old 100 dollar bill real or fake 1,600 $2.27 12/20
1990 series 100 dollar bill 1,300 $0.03 19/20
how much is a 1990 $100 bill worth 210 $0.12 12/20
90s 100 dollar bill 70 $0.03 12/20
1990s 100 dollar bill watermark 40 $0 12/20
1990s 100 dollar bill real 20 $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/keyword?q=1990+$100+bill&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