seodata.dev

keyword

capital letters

Monthly search volume and cost-per-click data for "capital letters" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=capital+letters&country=us" +--------------+------------------+ | volume | 18,100 | | cpc | $0.22 | | competition | 0.01 | | country | US | | updated | 2026-06-08 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
capital letter 18,100 $0.22 20/20
capital letters and 18,100 $0.28 20/20
capitalized letter 18,100 $0.28 20/20
capitalize letters 18,100 $0.28 18/20
capitalizing letters 18,100 $0.22 15/20
letters uppercase 3,600 $0.2 16/20
uppercase letters 3,600 $0.25 16/20
uppercase letter 3,600 $0.25 15/20
upper letter 3,600 $0.25 14/20
upper case letter 1,600 $0.2 14/20

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=capital+letters&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt