{"info":{"title":"Kadec0","version":"1.0.0"},"openapi":"3.1.0","paths":{"/v1/congress-trades":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"50000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Kadec0: V1 Congress Trades","intent":"charge","method":"evm","recipient":"0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA"}]},"summary":"US congressional stock trades. Stock transactions disclosed by members of the House and Senate under the STOCK Act — politician, ticker, amount, and date."}},"/v1/defi-tvl":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"20000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Kadec0: V1 Defi Tvl","intent":"charge","method":"evm","recipient":"0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA"}]},"summary":"DeFi TVL and protocol data. Total-value-locked for DeFi protocols and chains via DefiLlama — TVL, category, chains, and change."}},"/v1/domain-info":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"20000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Kadec0: V1 Domain Info","intent":"charge","method":"evm","recipient":"0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA"}]},"summary":"Domain WHOIS and DNS lookup. Registrar, creation and expiry dates, nameservers, and full DNS records (A, AAAA, MX, NS, TXT, CNAME) for a domain."}},"/v1/fda":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"20000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Kadec0: V1 Fda","intent":"charge","method":"evm","recipient":"0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA"}]},"summary":"FDA recalls and adverse events. Drug, device, and food recall and adverse-event records from openFDA with classification, recalling firm, and reason."}},"/v1/geocode":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"10000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Kadec0: V1 Geocode","intent":"charge","method":"evm","recipient":"0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA"}]},"summary":"Geocoding and reverse geocoding. Converts an address or place name to latitude/longitude, or coordinates back to an address."}},"/v1/github":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"20000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Kadec0: V1 Github","intent":"charge","method":"evm","recipient":"0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA"}]},"summary":"GitHub data. Repository stats, user profiles, and code-search results (stars, forks, language, topics, issues) via the GitHub REST API."}},"/v1/hackernews":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"10000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Kadec0: V1 Hackernews","intent":"charge","method":"evm","recipient":"0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA"}]},"summary":"Hacker News feed. Top, new, and best front-page stories plus full-text story search — titles, scores, comment counts, and author for tech and startup news."}},"/v1/market-sentiment":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"50000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Kadec0: V1 Market Sentiment","intent":"charge","method":"evm","recipient":"0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA"}]},"summary":"Market fear & greed index. Aggregated investor sentiment from CNN Fear & Greed, the crypto Fear & Greed index, and the VIX volatility gauge."}},"/v1/nutrition":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"10000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Kadec0: V1 Nutrition","intent":"charge","method":"evm","recipient":"0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA"}]},"summary":"Food nutrition lookup. Calories, macros, and micronutrients for any food from the USDA FoodData Central database."}},"/v1/papers":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"20000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Kadec0: V1 Papers","intent":"charge","method":"evm","recipient":"0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA"}]},"summary":"Academic and scientific paper search API. Search research papers and scholarly literature across arXiv, PubMed, OpenAlex, Crossref, and Semantic Scholar in one call, deduplicated into a ranked result set: title, authors, year, venue, abstract, citation count, DOI, and direct PDF link. Query by keyword or restrict to one source; filter by year range; sort by relevance, recency, or citations. Keyles"}},"/v1/serp":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"30000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Kadec0: V1 Serp","intent":"charge","method":"evm","recipient":"0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA"}]},"summary":"Web search results (SERP). Keyless web search returning ranked title, URL, and snippet for a query — with locale/region targeting, freshness filters (past day, week, month, year), pagination, a news mode that adds publish date and source, and selectable backend engine (auto rotation, or pin Brave, Yahoo, or Yandex)."}},"/v1/serp-read":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"80000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Kadec0: V1 Serp Read","intent":"charge","method":"evm","recipient":"0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA"}]},"summary":"Web search plus page reading in one call — answer with sources. Runs a web search, fetches the top results, and returns the ranked list together with each page's content as clean LLM-ready markdown, so an agent gets search results AND the underlying text without a second round of scraping calls. Per-page fetch errors are reported honestly per URL."}}},"x-service-info":{"description":"Kadec0 is an x402-native service at https://api.kadec0.xyz, indexed from the x402 Bazaar (Coinbase's public discovery directory). It charges callers itself in USDC on Base and is paid directly at its own wallet; Monex Protocol passes your request and payment headers through untouched. 12 endpoints listed."}}