seodata.dev

keyword

when was radio invented

Monthly search volume and cost-per-click data for "when was radio invented" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=when+was+radio+invented&country=us" +--------------+------------------+ | volume | 8,100 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-23 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
radio was invented by 14,800 $0 20/20
the invention of radio 14,800 $0 20/20
when radio was invented 8,100 $0 20/20
when the radio was invented 8,100 $0 20/20
when was the radio invented 8,100 $0 20/20
who invented the radio 5,400 $0 20/20
invention of the radio 2,900 $0 20/20
invention radio 2,900 $0 20/20
radio invention 2,900 $0 20/20
radio inventor 2,900 $0 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://app.seodata.dev/v1/keyword?q=when+was+radio+invented&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