seodata.dev

keyword

hardest riddle

Monthly search volume and cost-per-click data for "hardest riddle" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=hardest+riddle&country=us" +--------------+------------------+ | volume | 49,500 | | cpc | $0.06 | | competition | 0.33 | | country | US | | updated | 2026-05-27 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
hardest riddles 49,500 $0.05 20/20
impossible riddle with answer 18,100 $0.07 20/20
difficult riddles with answer 18,100 $0.07 19/20
tough riddles with answers 18,100 $0.07 19/20
hardest riddle with answer 14,800 $0.05 20/20
world hardest riddle 6,600 $0.07 20/20
world's hardest riddle 6,600 $0.07 20/20
hardest riddle in the world 6,600 $0.04 19/20
difficult riddles 3,600 $0.05 19/20
very difficult riddles 1,000 $0.05 20/20

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=hardest+riddle&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