seodata.dev

keyword

letter apps

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

$ curl "https://app.seodata.dev/v1/search-volume?q=letter-apps&country=us" +--------------+------------------+ | volume | 320 | | cpc | $2.4 | | competition | 0.09 | | country | US | | updated | 2026-03-31 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
app letters 1,900 $3.77 10/20
letter writing app 590 $3.06 10/20
writing letter apps 590 $2.98 9/20
apps for writing letters 590 $2.98 8/20
letter app 320 $5.47 11/20
letters app 320 $5.47 10/20
app to write a letter 260 $4.34 8/20
app to write letters 260 $4.34 8/20
letter writing apps 140 $3.88 8/20
type a letter app 30 $5.39 9/20

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=letter-apps&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