seodata.dev

keyword

hardest crossword puzzle

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

$ curl "https://app.seodata.dev/v1/keyword?q=hardest+crossword+puzzle&country=us" +--------------+------------------+ | volume | 6,600 | | cpc | $1.92 | | competition | 0.02 | | country | US | | updated | 2026-05-20 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
hard crossword puzzles 6,600 $1.92 9/20
hardest crossword puzzles 5,400 $2.78 15/20
difficult crossword puzzles 5,400 $1.27 9/20
most difficult crossword puzzles 2,400 $0.74 10/20
most difficult crossword puzzle 2,400 $0.74 9/20
hardest crossword 2,400 $1.24 8/20
difficult crossword 390 $0 10/20
which crossword is the hardest 50 $0 9/20
hardest crossword puzzle in the world 30 $0 10/20
toughest crossword puzzles 30 $0 9/20

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+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