keyword

when was the perm invented

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

$ curl "https://app.seodata.dev/v1/keyword?q=when+was+the+perm+invented&country=us" +--------------+------------------+ | volume | 40 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-16 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
who invented perm	260	$0	11/20
who invented perms	260	$0	11/20
hair perm history	110	$0	15/20
history of hair perming	110	$0	13/20
history of the perm	110	$0	13/20
history of perms	110	$0	12/20
perms history	110	$0	12/20
perm history	110	$0	11/20
when were perms invented	90	$0	16/20
who made perms	30	$0	15/20

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+the+perm+invented&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