seodata.dev

keyword

head letter

Monthly search volume and cost-per-click data for "head letter" in US.

$ curl "https://app.seodata.dev/v1/search-volume?q=head-letter" +--------------+------------------+ | volume | 4,400 | | cpc | $1.57 | | competition | 0.1 | | country | US | | updated | 2026-03-29 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
letterhead 40,500 $2.1 17/20
letterhead templates 9,900 $2.02 19/20
business letterhead 9,900 $2.23 17/20
letterhead template 9,900 $2.02 16/20
letterhead format 8,100 $0.91 17/20
company letterhead 8,100 $1.79 16/20
business letterhead template 6,600 $2.42 19/20
letterhead template free 1,900 $2.06 17/20
letterhead free template 1,900 $2.06 16/20
letter heading design 110 $0.89 18/20

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/search-volume?q=head-letter" 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