seodata.dev

keyword

most difficult crossword puzzle

Monthly search volume and cost-per-click data for "most difficult crossword puzzle" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=most+difficult+crossword+puzzle&country=us" +--------------+------------------+ | volume | 2,400 | | cpc | $0.74 | | competition | 0.01 | | country | US | | updated | 2026-03-31 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
hardest crossword puzzle 6,600 $1.92 9/20
hardest crossword puzzles 5,400 $2.78 11/20
most difficult crossword puzzles 2,400 $0.74 11/20
hardest crossword 2,400 $1.24 9/20
hardest crosswords 2,400 $0.74 6/20
which crossword is the hardest 50 $0 8/20
world's hardest crossword puzzle 30 $0 10/20
hardest crossword puzzle in the world 30 $0 9/20
toughest crossword puzzles 30 $0 7/20
world's hardest crossword 30 $0 7/20

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=most+difficult+crossword+puzzle&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