seodata.dev

keyword

collectible bills

Monthly search volume and cost-per-click data for "collectible bills" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=collectible+bills&country=us" +--------------+------------------+ | volume | 40 | | cpc | $0.47 | | competition | 0.98 | | country | US | | updated | 2026-05-24 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
old dollar bills 3,600 $0.16 14/20
old paper money for sale 2,900 $0.41 20/20
old paper money sale 2,900 $0.41 11/20
old currency for sale 480 $0.76 11/20
rare us notes 320 $0.25 11/20
collectable money 170 $1.16 11/20
collectible dollar bills 140 $0.15 11/20
collectible us dollar bills 140 $0.15 11/20
collectable bills 90 $0.17 11/20
collectible paper money 90 $0.73 11/20

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=collectible+bills&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