keyword

friendship letter

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

$ curl "https://api.seodata.dev/v1/keyword?q=friendship+letter&country=us" +--------------+------------------+ | volume | 4,400 | | cpc | $5 | | competition | 0.07 | | country | US | | updated | 2026-06-24 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
friendship letters	4,400	$5	18/20
best friends letter	3,600	$0	18/20
letter for a friend	2,400	$0.29	18/20
a letter to a friend	2,400	$0.36	17/20
letters for friends	2,400	$0.36	17/20
friendship letter to best friend	1,600	$0.24	17/20
to my best friend letter	1,300	$0	20/20
letter for my best friend	1,000	$0.19	17/20
letter of best friend	1,000	$0.24	17/20
letter to my best friends	590	$0.11	17/20

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://api.seodata.dev/v1/keyword?q=friendship+letter&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