seodata.dev

keyword

rare old coins

Monthly search volume and cost-per-click data for "rare old coins" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=rare+old+coins&country=us" +--------------+------------------+ | volume | 1,000 | | cpc | $0.16 | | competition | 1 | | country | US | | updated | 2026-05-21 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
coin rare 27,100 $0.61 20/20
rare coins 27,100 $0.66 20/20
rarest coins 27,100 $0.61 20/20
rare us coins 6,600 $0.39 20/20
most valuable coins 4,400 $0.39 20/20
rare coins usa 3,600 $0.32 20/20
rare coins worth money 3,600 $0.85 19/20
old coins worth money 2,900 $1.34 20/20
rare coins value 1,900 $1.21 20/20
expensive coins 1,600 $0.47 20/20

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=rare+old+coins&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