seodata.dev

keyword

message header

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

$ curl "https://app.seodata.dev/v1/keyword?q=message+header&country=us" +--------------+------------------+ | volume | 260 | | cpc | $1.54 | | competition | 0.01 | | country | US | | updated | 2026-06-01 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
email header 2,900 $3.57 20/20
email headers 2,900 $7.63 20/20
headers email 2,900 $33.04 12/20
message headers 260 $2.48 11/20
mail headers 140 $0 12/20
how to read a email header 140 $0 11/20
email message header 90 $0 13/20
email message headers 70 $0 12/20
email header info 50 $0 12/20
headers of the emails 40 $3.05 12/20

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=message+header&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