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keyword

martin luther king jr jail letter

Monthly search volume and cost-per-click data for "martin luther king jr jail letter" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=martin+luther+king+jr+jail+letter&country=us" +--------------+------------------+ | volume | 30 | | 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
letter from birmingham jail 33,100 $3.54 20/20
birmingham letter 33,100 $3.64 13/20
city of birmingham jail 2,900 $0 17/20
letter from birmingham jail summary 2,900 $0.91 17/20
martin luther king letter from birmingham jail 1,900 $2.24 19/20
birmingham jail 1,300 $0 19/20
king letters from birmingham jail 880 $3.04 13/20
the letter from birmingham jail 590 $2.25 17/20
dr martin luther king jr letter from birmingham jail 390 $3.09 15/20
mlk jr birmingham jail letter 70 $0.99 15/20

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=martin+luther+king+jr+jail+letter&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