keyword

airplanes history

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

$ curl "https://api.seodata.dev/v1/keyword?q=airplanes+history&country=us" +--------------+------------------+ | volume | 50 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-18 | +--------------+------------------+

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
when were planes invented	12,100	$10.31	20/20
when were airplanes invented	12,100	$10.31	17/20
when was planes invented	3,600	$0	16/20
when was invented the airplane	3,600	$0	14/20
invention of airplanes	2,400	$1.62	14/20
history of planes	1,600	$2.12	20/20
history of the airplane	1,600	$4.69	20/20
history of airplanes	1,000	$4.32	20/20
the history of the airplane	1,000	$4.32	20/20
airplane history	320	$3.14	20/20

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=airplanes+history&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