seodata.dev

keyword

letter app

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

$ curl "https://app.seodata.dev/v1/search-volume?q=letter-app&country=us" +--------------+------------------+ | volume | 320 | | cpc | $5.47 | | competition | 0.12 | | 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 12/20
writing letter apps 590 $2.98 11/20
apps for writing letters 590 $2.98 10/20
letter apps 320 $2.4 11/20
app to write letters 260 $4.34 12/20
app to write a letter 260 $4.34 11/20
app to type a letter 40 $2.71 11/20
type a letter app 30 $5.39 13/20
letter writing app free download 30 $5.71 11/20

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-app&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