keyword

n 400 application

Monthly search volume and cost-per-click data for "n 400 application" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=n+400+application&country=us" +--------------+------------------+ | volume | 14,800 | | cpc | $2.32 | | competition | 0.05 | | country | US | | updated | 2026-06-19 | +--------------+------------------+

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
n-400 form	22,200	$1.62	14/20
n 400 form	18,100	$2	15/20
n-400 application	14,800	$1.93	17/20
n400 application	14,800	$1.93	14/20
n 400 uscis	6,600	$2.2	14/20
uscis 400 form	6,600	$3.22	14/20
naturalization form	4,400	$1.63	15/20
uscis form n-400	1,600	$1.57	16/20
uscis form n 400	1,600	$2.03	14/20
uscis forms n400	1,600	$1.47	14/20

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=n+400+application&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