api.kadec0.xyz
45 listed endpoints (+1 delisted) · free reliability snapshot (may be up to 24h old)
Base
A 36B 7C 2
endpoints
45
+1 delisted
avg trust score
81.9
ecosystem avg 52.0
avg 30-day uptime
92.3%
ecosystem avg 53.6%
avg latency (EU)
611 ms
measured from a single EU vantage point; includes network round-trip distance to the endpoint
price band
$0.005–$0.15
USDC per call
networks
1
At a glance
api.kadec0.xyz operates 45 listed x402 endpoints (plus 1 delisted, kept for history) across 1 network. 45 of them carry a computed trust score, averaging 81.9 of 100 (above the ecosystem average of 52.0). Average 30-day uptime across the measured endpoints is 92.3% (above the ecosystem average of 53.6%). Advertised prices range from $0.005 to $0.15 USDC per call. Best-scored endpoint: Academic Paper Search (grade A, 85.1).
Top endpoints by trust score
- Academic Paper Search/v1/papersAcademic and scientific paper search API. Search research papers and scholarly literature across arXiv, PubMed, OpenAlex, Crossref, and Semantic Scholar in o…→
- DeFi TVL & Protocol Data/v1/defi-tvlDeFi TVL for protocols and chains. Returns total value locked per DeFi protocol or per chain via DefiLlama, with category, supported chains, and TVL change o…→
- SEC EDGAR Filing Search/v1/sec-edgarSEC filings full-text search. Searches SEC EDGAR filings - 10-K, 10-Q, 8-K, and every other form type - by keyword, company name, ticker, or CIK, with date-r…→
- Web Scraper - Page to Markdown/v1/scrapeScrape any web page to clean markdown. A keyless web scraper that converts a single URL into LLM-ready markdown plus structured metadata (title, headings, li…→
- Related Paper Discovery/v1/related-papersLiterature review and related-paper discovery. Given a seed paper (arXiv id, DOI, or OpenAlex id) or a topic query, returns semantically similar and recommen…→
All endpoints
| endpoint▼ | grade▼ | uptime 30d▼ | conf.▼ | price▼ |
|---|---|---|---|---|
| /v1/cve CVE Vulnerability Lookup | A 84.7 | 95.4% | 1.00 | $0.01 |
| /v1/geocode Geocoding & Reverse Geocode | A 84.4 | 94.8% | 1.00 | $0.01 |
| /v1/enrich Company Domain Enrichment | A 84.6 | 95.4% | 1.00 | $0.15 |
| /v1/sec-edgar SEC EDGAR Filing Search | A 84.9 | 95.9% | 1.00 | $0.05 |
| /v1/whois-bulk Bulk WHOIS Lookup | A 84.7 | 95.6% | 1.00 | $0.05 |
| /v1/market-sentiment Market Fear & Greed Index | A 84.5 | 95.0% | 1.00 | $0.05 |
| /v1/congress-trades Congress Stock Trades | A 84.7 | 95.4% | 1.00 | $0.05 |
| /v1/yield-pools DeFi Yield & APY Pools | A 84.6 | 95.4% | 1.00 | $0.03 |
| /v1/permits Building Permit Records | A 84.5 | 94.9% | 1.00 | $0.03 |
| /v1/github GitHub Repo & User Data | A 84.7 | 95.6% | 1.00 | $0.02 |
| /v1/youtube YouTube Metadata & Transcript | C 55.0 | 39.7% | 1.00 | $0.03 |
| /v1/scrape Web Scraper - Page to Markdown | A 84.8 | 95.6% | 1.00 | $0.03 |
| /v1/serp Web Search (SERP) | A 83.6 | 94.7% | 1.00 | $0.05 |
| /v1/stablecoins Stablecoin Supply Data | A 84.7 | 95.4% | 1.00 | $0.02 |
| /v1/dns-propagation DNS Propagation Checker | A 84.7 | 95.4% | 1.00 | $0.03 |
| /v1/papers Academic Paper Search | A 85.1 | 96.3% | 1.00 | $0.02 |
| /v1/defi-tvl DeFi TVL & Protocol Data | A 85.0 | 96.0% | 1.00 | $0.02 |
| /v1/fda FDA Recalls & Adverse Events | A 84.6 | 95.2% | 1.00 | $0.02 |
| /v1/recalls Consumer Product Recalls | A 84.5 | 94.9% | 1.00 | $0.02 |
| /v1/gas-oracle Ethereum Gas Price Oracle | A 84.5 | 94.9% | 1.00 | $0.01 |
| /v1/token-price Crypto Token Price Data | A 84.2 | 94.1% | 1.00 | $0.01 |
| /v1/trending-coins Trending Crypto Coins | A 84.4 | 94.9% | 1.00 | $0.01 |
| /v1/nutrition USDA Nutrition Lookup | A 84.5 | 94.9% | 1.00 | $0.01 |
| /v1/hackernews Hacker News Stories & Search | A 84.7 | 95.4% | 1.00 | $0.01 |
| /v1/usgs-quakes USGS Earthquake Feed | A 84.7 | 95.4% | 1.00 | $0.005 |
| /v1/stackoverflow Stack Overflow Q&A Search | A 84.3 | 94.3% | 1.00 | $0.01 |
| /v1/weather Weather Forecast & Air Quality | A 84.7 | 95.4% | 1.00 | $0.005 |
| /v1/website-audit Website SEO & Perf Audit | A 83.9 | 93.5% | 1.00 | $0.08 |
| /v1/domain-info Domain WHOIS & DNS Lookup | A 84.5 | 95.0% | 1.00 | $0.02 |
| /v1/paper-details Citations, References, Cited-By | A 84.6 | 95.4% | 1.00 | $0.03 |
| /v1/related-papers Related Paper Discovery | A 84.8 | 95.8% | 1.00 | $0.03 |
| /v1/paper-fulltext Open-Access Paper Full Text | A 84.5 | 95.1% | 1.00 | $0.04 |
| /v1/lit-review Literature Review Map | A 84.2 | 94.5% | 1.00 | $0.08 |
| /v1/author-search Author & Researcher Search | A 84.3 | 94.7% | 1.00 | $0.02 |
| /v1/serp-read Web Search + Page Reader | A 83.2 | 95.1% | 1.00 | $0.08 |
| /v1/serp-multi Multi-Engine Web Search | A 83.3 | 95.2% | 1.00 | $0.05 |
| /v1/serp-batch Bulk Web Search | A 82.5 | 93.2% | 1.00 | $0.1 |
| /v1/time Current Time & Timezone API | C 51.3 | 38.3% | 1.00 | $0.005 |
| /v1/smart-search Smart Research Search | B 79.1 | 94.8% | 1.00 | $0.02 |
| /v1/topic-search Field & Topic Search | B 79.1 | 94.8% | 1.00 | $0.02 |
| /v1/email-validate Email Validation API | B 78.9 | 94.8% | 1.00 | $0.03 |
| /v1/related-topics Google Trends Related Topics | B 75.5 | 92.1% | 0.96 | $0.03 |
| /v1/interest-by-region Google Trends Interest by Region | B 75.7 | 92.7% | 0.96 | $0.03 |
| /v1/related-queries Google Trends Related Queries | B 75.5 | 92.1% | 0.96 | $0.03 |
| /v1/trend Google Trends Interest Over Time | B 75.7 | 92.7% | 0.96 | $0.05 |
| /v1/twitter (delisted) | C 55.0 | 70.4% | 1.00 | $0.05 |
Scores use reduced-density sampling; live probe, full 30-min density and 90-day history via the paid API. Provider-supplied names and descriptions are unverified claims; the grades are our independent measurement.