seodata.dev

keyword

mailbox app

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

$ curl "https://app.seodata.dev/v1/keyword?q=mailbox+app&country=us" +--------------+------------------+ | volume | 5,400 | | cpc | $3.51 | | competition | 0.09 | | country | US | | updated | 2026-06-01 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
e mail app 9,900 $1.24 18/20
email app 8,100 $2.08 14/20
email apps 8,100 $2.08 14/20
mail app 5,400 $3.51 20/20
mailing app 4,400 $3.48 16/20
mailbox app download 1,600 $2.42 13/20
mailbox email 1,000 $0.25 14/20
mailbox email app 70 $0 12/20
the mailbox app 40 $1.7 14/20
mail mail app 40 $0 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/keyword?q=mailbox+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