seodata.dev

keyword

mail header reader

Monthly search volume and cost-per-click data for "mail header reader" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=mail+header+reader&country=us" +--------------+------------------+ | volume | 140 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-27 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
email header analyzer 5,400 $4.21 20/20
email headers analyzer 5,400 $4.21 20/20
analyse email header 5,400 $4.71 18/20
email header analyser 5,400 $4.21 17/20
header analyzer 2,900 $0 20/20
headers analyzer 2,900 $0 20/20
message header analyzer 2,400 $1.48 20/20
mail header check 390 $0 17/20
email header reader 90 $2.63 18/20
email header checker tool 50 $0 19/20

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=mail+header+reader&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