seodata.dev

keyword

hardest crossword puzzles

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

$ curl "https://app.seodata.dev/v1/keyword?q=hardest+crossword+puzzles&country=us" +--------------+------------------+ | volume | 6,600 | | cpc | $0.24 | | competition | 0.05 | | country | US | | updated | 2026-05-16 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
hard crossword puzzles 6,600 $1.92 18/20
difficult crossword puzzles 5,400 $1.27 20/20
crossword puzzle difficult 5,400 $1.27 13/20
crossword puzzles hard 5,400 $2.78 12/20
hard crossword 2,400 $0.11 18/20
difficult crossword 390 $0 15/20
difficult crosswords 390 $0 13/20
extremely hard crossword puzzles 70 $0.16 11/20
hard crossword puzzles with answers 70 $0 11/20
really hard crosswords 70 $0.16 11/20

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+puzzles&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