https://nichedata.dev/v1/niche/:keyword
KDP niche intelligence for AI agents — get demand scores, competition analysis, BSR ranges, revenue estimates, and pricing data for any Kindle publishing niche. $0.03 USDC per query, no API keys needed.
Start with a quote-only recipe. Payment signing stays in your project.
const response = await fetch("https://nichedata.dev/v1/niche/:keyword", {
method: "GET",
});
console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));
// A valid 402 is a quote, not a completed paid call.This sends no payment. Inspect the 402 response before adding a wallet-enabled client.
- Exact route checked
not safely testable · unresolved-url-template
- Origin reachable
OPTIONS https://nichedata.dev/ returned 405.
- Observed in cdp-bazaar
The registry record was observed and retained with provenance.
- Observed in 402-index
Discovered through bazaar.
- Registry record checked
Registry health: degraded.
EVIDENCE
Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call.