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keyword

1977 $20 dollar bill serial number lookup

Monthly search volume and cost-per-click data for "1977 $20 dollar bill serial number lookup" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=1977+$20+dollar+bill+serial+number+lookup&country=us" +--------------+------------------+ | volume | 170 | | cpc | $1.66 | | competition | 0.08 | | country | US | | updated | 2026-05-23 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
20 dollar bill 1977 2,900 $0.02 18/20
1977 20 dollar bill worth 1,300 $0.07 14/20
20 dollar bill 1977 value 880 $0.1 15/20
20 dollar bill 1977 worth 880 $0.41 11/20
20 dollar bill serial number lookup value 720 $1.41 12/20
1981 $20 dollar bill serial number lookup 260 $1.48 12/20
1977 series 20 dollar bill 210 $0.02 12/20
1974 $20 dollar bill serial number lookup 140 $1.61 12/20
1977 20 dollar bill serial number lookup 110 $1.85 15/20
1988 series a $20 dollar bill serial number lookup 90 $0.72 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=1977+$20+dollar+bill+serial+number+lookup&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