seodata.dev

keyword

world's rarest coins

Monthly search volume and cost-per-click data for "world's rarest coins" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=world's+rarest+coins&country=us" +--------------+------------------+ | volume | 2,900 | | cpc | $0.2 | | competition | 0.86 | | country | US | | updated | 2026-06-07 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
rarest coins 27,100 $0.61 14/20
most expensive coins in the world 3,600 $0.16 19/20
most expensive coins 3,600 $0.16 18/20
most expensive coin in world 3,600 $0.15 15/20
most valuable coins in the world 3,600 $0.16 15/20
rare coins of the world 2,900 $0.2 20/20
rare coin in the world 2,900 $0.21 15/20
rare coins in the world 2,900 $0.21 15/20
rarest coin in world 2,900 $0.2 14/20
most rare coin in world 10 $0 15/20

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=world's+rarest+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