keyword

free api documentation

Monthly search volume and cost-per-click data for "free api documentation" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=free+api+documentation&country=us" +--------------+------------------+ | volume | 20 | | cpc | $6.87 | | competition | 0.11 | | country | US | | updated | 2026-06-25 | +--------------+------------------+

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
tools to document api	30	$0	10/20
api documentation online tool	20	$8.76	13/20
web api documentation tool	20	$0	12/20
web api documentation tools	20	$0	12/20
api documentation framework	20	$7.5	11/20
api documentation platform	20	$12.16	11/20
api documentation tool online	20	$14.75	11/20
api reference generator	20	$7.5	11/20
hosted api documentation	20	$9.75	10/20
json documentation tool	10	$5.46	10/20

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=free+api+documentation&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