2 of 2 routes on responsive origins1 CURATED ROUTEnichedata.dev
NicheData
Pay-per-query Kindle Direct Publishing niche intelligence: demand score, competition score, Amazon BSR range, monthly revenue estimate, review threshold to rank, and average book price. Cached results $0.03, live research $0.10. No API key; USDC on Base.
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resources
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data sources
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network identifiers
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registry calls / 30d