seodata.dev

keyword

best detergent free shampoo

Monthly search volume and cost-per-click data for "best detergent free shampoo" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=best+detergent+free+shampoo&country=us" +--------------+------------------+ | volume | 20 | | cpc | $0 | | competition | 1 | | country | US | | updated | 2026-05-20 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
sulfate free salon shampoo brands 30 $0 11/20
what's the best sulfate free shampoo 30 $2.53 10/20
which shampoo does not have sulfate 30 $1.95 10/20
best detergent-free shampoo 20 $0 18/20
best no suds shampoo 20 $3 12/20
best phosphate free shampoo 20 $2.31 11/20
best sulfate free smoothing shampoo 20 $8.04 11/20
best sulfate free 20 $0 10/20
what is a good sulfate and paraben free shampoo 20 $0 10/20
sulfate free brands 10 $1.98 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=best+detergent+free+shampoo&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