seodata.dev

keyword

what is 401

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

$ curl "https://app.seodata.dev/v1/keyword?q=what+is+401&country=us" +--------------+------------------+ | volume | 33,100 | | cpc | $3.59 | | competition | 0.06 | | country | US | | updated | 2026-05-25 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
401k what is 33,100 $3.32 20/20
what is the 401k plan 33,100 $3.59 19/20
what is 401 k 12,100 $2.81 20/20
401k how does it work 12,100 $2.47 19/20
how do 401k work 12,100 $2.58 19/20
what's a 401k 2,400 $4.81 20/20
whats 401k 1,900 $6.5 20/20
what's a 401 k 1,600 $4.14 20/20
how to 401ks work 1,600 $2.41 19/20
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=what+is+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