seodata.dev

keyword

100 dollar bill 1988 security features

Monthly search volume and cost-per-click data for "100 dollar bill 1988 security features" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=100+dollar+bill+1988+security+features&country=us" +--------------+------------------+ | volume | 40 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-22 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
old 100 dollar bill 22,200 $0.06 13/20
100 dollar bill real 9,900 $0.2 11/20
how to tell if a hundred dollar bill is real 9,900 $2.52 11/20
old 100 dollar bill real or fake 1,600 $2.27 14/20
fake old 100 dollar bill 1,000 $0 11/20
old 100 bill security features 140 $0 11/20
1988 series 100 dollar bill security features 70 $0 16/20
1988 series 100 bill security features 70 $0 14/20
1988 hundred dollar bill security features 50 $0 14/20
1988 one hundred dollar bill security features 40 $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/keyword?q=100+dollar+bill+1988+security+features&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