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keyword

1981 50 dollar bill security features

Monthly search volume and cost-per-click data for "1981 50 dollar bill security features" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=1981+50+dollar+bill+security+features&country=us" +--------------+------------------+ | volume | 40 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-23 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
old 50 dollar bill 3,600 $0.08 6/20
50 dollar bill real 1,600 $0.04 6/20
real $50 bill 1,600 $0.05 6/20
1985 50 dollar bill watermark 50 $0 8/20
1981 50 dollar bill real or fake 50 $0 6/20
1950 50 dollar bill fake 30 $0 8/20
fake 1985 50 dollar bill 30 $0 8/20
1977 $50 dollar bill watermark 30 $0 7/20
1985 50 dollar bill real or fake 30 $0 7/20
does a 1981 50 dollar bill have a security strip 20 $0 8/20

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=1981+50+dollar+bill+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