seodata.dev

keyword

chapter 21

Monthly search volume and cost-per-click data for "chapter 21" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=chapter+21&country=us" +--------------+------------------+ | volume | 720 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-24 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
john 21 9,900 $0.02 2/20
luke 21 9,900 $0.1 2/20
board of nursing pennsylvania 8,100 $13.42 2/20
ch-21 720 $0 5/20
ch 21 720 $0 4/20
ch21 70 $0 4/20
it chapter 21 70 $0 3/20
what is chapter 21 30 $0 10/20
open board chapter 21 30 $0 3/20
chapter 21 section 1 20 $0 3/20

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=chapter+21&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