keyword

callsign

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

$ curl "https://api.seodata.dev/v1/keyword?q=callsign&country=us" +--------------+------------------+ | volume | 2,900 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-08-16 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
call sign	6,600	$0.55	19/20
call signs	6,600	$0	14/20
call signs military	4,400	$0.01	10/20
callsign military	4,400	$0	10/20
military callsigns	4,400	$0	10/20
callsigns	2,900	$0	16/20
pilot callsigns	1,300	$0	10/20
best callsigns	1,000	$0	13/20
callsign meaning	720	$0	10/20
callsign or call sign	40	$0	10/20

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://api.seodata.dev/v1/keyword?q=callsign&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt