seodata.dev

keyword

1981 series 100 dollar bill

Monthly search volume and cost-per-click data for "1981 series 100 dollar bill" in US.

$ curl "https://app.seodata.dev/v1/search-volume?q=1981-series-100-dollar-bill" +--------------+------------------+ | volume | 1,600 | | cpc | $0.05 | | competition | 0.25 | | country | US | | updated | 2026-03-29 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
series 1981 a 100 dollar bill 2,400 $0.06 20/20
1981 $100 bill 1,600 $0.07 20/20
100 dollar bill from 1981 1,600 $0.06 17/20
1981 100 bill 1,600 $0.06 16/20
1981 100 dollar bill 1,600 $0.07 16/20
1981 a 100 dollar bill 1,600 $0.06 16/20
1981 hundred dollar bill 1,600 $0.06 16/20
1981 us $100 bill 1,600 $0.06 16/20
1981 100 dollar bill value 170 $0.02 16/20
1981 series 100 dollar bill value 110 $1.42 16/20

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=1981-series-100-dollar-bill" 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