seodata.dev

keyword

oldest book in the world

Monthly search volume and cost-per-click data for "oldest book in the world" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=oldest+book+in+the+world&country=us" +--------------+------------------+ | volume | 3,600 | | cpc | $0.27 | | competition | 0 | | country | US | | updated | 2026-06-22 | +--------------+------------------+
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
oldest books in the world 3,600 $0.27 18/20
the oldest book in the world 3,600 $0.21 16/20
the oldest book of the world 3,600 $0.27 15/20
the oldest books in the world 3,600 $0.27 15/20
oldest book of the world 3,600 $0.27 14/20
oldest book of world 3,600 $0.27 14/20
oldest book on earth 3,600 $0.21 14/20
world oldest book 3,600 $0.27 14/20
what is the oldest book in the world 1,300 $0 20/20
oldest book 1,000 $2.55 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://api.seodata.dev/v1/keyword?q=oldest+book+in+the+world&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