keyword

401

Monthly search volume and cost-per-click data for "401" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=401&country=us" +--------------+------------------+ | volume | 49,500 | | cpc | $4.93 | | competition | 0.07 | | country | US | | updated | 2026-05-25 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
401 k	301,000	$5.41	18/20
401k what is	33,100	$3.32	20/20
what is 401k plan	33,100	$4.54	20/20
what is the 401 k plan	33,100	$4.54	20/20
what is 401	33,100	$3.32	18/20
how does 401k work	12,100	$2.6	18/20
what is 401k	12,100	$5.37	18/20
whats 401k	1,900	$6.5	19/20
what's a 401 k	1,600	$4.14	20/20
how 401k works	1,300	$2.52	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://app.seodata.dev/v1/keyword?q=401&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