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Web Search & Data API — SERP, page reader & scrapers

https://api.kadec0.xyz/v1/serp
● healthy search

Pay-per-call web search and web data for AI agents. Multi-engine SERP (web + news, batch, rank-fused), search-and-read (top hits to markdown in one call), URL-to-markdown scraping, Google Trends, structured data (WHOIS/DNS, enrichment, SEC filings, crypto/DeFi, geocoding, weather) and academic search. 43 endpoints from $0.005, USDC on Base, no key, no signup.

Category
search
Chains
base
Price
$0.0500 USDC / call

Quality grade

How grading works
B+ 87.6 / 100
Availability 40.0 / 40
Endpoint responded (HTTP 402)
Payability 20.0 / 20
  • ✓ Answers a real HTTP 402 challenge
  • ✓ Publishes a /.well-known/x402 descriptor
  • ✓ Payment address on record
  • ✓ Settlement network declared
  • ✓ Price declared
Demand 27.6 / 40
55 distinct payers, 4272 USDC transfers in the last 30 days
Owner verified 0.0 / 3
Nobody has claimed this listing yet
Endpoint last checked 2 h ago. On-chain activity last read 29 h ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

Paid endpoints

43 resource(s) advertised by this origin.

https://api.kadec0.xyz/v1/serp
https://api.kadec0.xyz/v1/serp-batch
https://api.kadec0.xyz/v1/serp-multi
https://api.kadec0.xyz/v1/serp-read
https://api.kadec0.xyz/v1/scrape
https://api.kadec0.xyz/v1/trend
https://api.kadec0.xyz/v1/related-queries
https://api.kadec0.xyz/v1/interest-by-region
https://api.kadec0.xyz/v1/related-topics
https://api.kadec0.xyz/v1/email-validate
https://api.kadec0.xyz/v1/market-sentiment
https://api.kadec0.xyz/v1/github
https://api.kadec0.xyz/v1/hackernews
https://api.kadec0.xyz/v1/stackoverflow
https://api.kadec0.xyz/v1/website-audit
https://api.kadec0.xyz/v1/domain-info
https://api.kadec0.xyz/v1/whois-bulk
https://api.kadec0.xyz/v1/dns-propagation
https://api.kadec0.xyz/v1/enrich
https://api.kadec0.xyz/v1/weather
https://api.kadec0.xyz/v1/cve
https://api.kadec0.xyz/v1/usgs-quakes
https://api.kadec0.xyz/v1/fda
https://api.kadec0.xyz/v1/nutrition
https://api.kadec0.xyz/v1/recalls
https://api.kadec0.xyz/v1/permits
https://api.kadec0.xyz/v1/sec-edgar
https://api.kadec0.xyz/v1/geocode
https://api.kadec0.xyz/v1/congress-trades
https://api.kadec0.xyz/v1/defi-tvl
https://api.kadec0.xyz/v1/stablecoins
https://api.kadec0.xyz/v1/yield-pools
https://api.kadec0.xyz/v1/token-price
https://api.kadec0.xyz/v1/trending-coins
https://api.kadec0.xyz/v1/gas-oracle
https://api.kadec0.xyz/v1/papers
https://api.kadec0.xyz/v1/paper-details
https://api.kadec0.xyz/v1/related-papers
https://api.kadec0.xyz/v1/author-search
https://api.kadec0.xyz/v1/paper-fulltext
https://api.kadec0.xyz/v1/lit-review
https://api.kadec0.xyz/v1/topic-search
https://api.kadec0.xyz/v1/smart-search

How to call

cURL · x402-fetch / x402-axios will auto-handle 402
curl -X POST https://api.kadec0.xyz/v1/serp
/.well-known/x402.json
https://api.kadec0.xyz/.well-known/x402

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