seodata.dev

keyword

first day fall

Monthly search volume and cost-per-click data for "first day fall" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=first+day+fall&country=us" +--------------+------------------+ | volume | 18,100 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-21 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
when does fall start 165,000 $0 12/20
first day of fall 135,000 $0.02 13/20
when is the first day of fall 135,000 $0 12/20
when is fall 74,000 $0 12/20
fall first day 18,100 $0.02 20/20
what is the first day of fall 14,800 $0 12/20
fall start 6,600 $0.03 13/20
when start the fall 6,600 $0.02 12/20
when the fall start 5,400 $0 13/20
when is the first day of autumn 4,400 $0.03 12/20

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=first+day+fall&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