seodata.dev

keyword

sound barrier speed

Monthly search volume and cost-per-click data for "sound barrier speed" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=sound+barrier+speed&country=us" +--------------+------------------+ | volume | 3,600 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-08-18 | +--------------+------------------+
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
speed of sound barrier 3,600 $0 20/20
break sound barrier 2,900 $0 20/20
breaking the sound barrier 2,900 $0.02 20/20
breaking sound barrier 2,900 $0.02 19/20
breaking the sound barrier sound 2,900 $0.02 17/20
what is the sound barrier 1,900 $0 19/20
how fast is breaking the sound barrier 1,600 $0 20/20
how fast to break the sound barrier 1,600 $0 20/20
how fast is the sound barrier 1,000 $0 20/20
what is the sound barrier speed 720 $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://api.seodata.dev/v1/keyword?q=sound+barrier+speed&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