Multi-Source News

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "error": "payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x54ebFCF3870439B9db62381848c5DabC05c70d5B",
      "amount": "5000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 60
    }
  ],
  "resource": {
    "url": "https://x402.professorsausages.com/news/timeline",
    "tags": [
      "news",
      "headlines",
      "search",
      "sentiment",
      "gdelt"
    ],
    "mimeType": "application/json",
    "description": "Volume of matching headlines over time (hour/day buckets) plus average GDELT sentiment per bucket — a local sentiment timeline over the pile",
    "serviceName": "Multi-Source News"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "q": "Query, ≤120 chars (same matching rules as /search).",
            "bucket": "hour | day (default day)."
          }
        },
        "output": {
          "type": "object",
          "required": [
            "query",
            "bucket",
            "total",
            "buckets",
            "freshness"
          ],
          "properties": {
            "query": {
              "type": "string"
            },
            "total": {
              "type": "integer"
            },
            "bucket": {
              "enum": [
                "hour",
                "day"
              ],
              "type": "string"
            },
            "buckets": {
              "type": "array",
              "items": {
                "type": "object",
                "required": [
                  "t",
                  "count"
                ],
                "properties": {
                  "t": {
                    "type": "string",
                    "description": "Bucket start (ISO date or ISO hour)."
                  },
                  "count": {
                    "type": "integer"
                  },
                  "avg_tone": {
                    "type": [
                      "number",
                      "null"
                    ],
                    "description": "Mean GDELT tone of matching articles in the bucket, or null."
                  }
                }
              }
            },
            "freshness": {
              "type": "object",
              "required": [
                "as_of",
                "window_hours",
                "source_count"
              ],
              "properties": {
                "as_of": {
                  "type": "string",
                  "description": "updated_at of the corpus this response was served from."
                },
                "source_count": {
                  "type": "integer",
                  "description": "Number of sources with ≥1 article in the current pile."
                },
                "window_hours": {
                  "type": "integer"
                }
              }
            }
          }
        }
      },
      "schema": {
        "type": "object",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object"
          },
          "output": {
            "type": "object"
          }
        }
      },
      "category": "news",
      "routeTemplate": "https://x402.professorsausages.com/news/timeline"
    },
    "sample": {
      "url": "https://x402.professorsausages.com/news/sample",
      "hint": "A real cached response from this API (with its capture timestamp), free — judge the data quality before paying."
    },
    "catalog": {
      "message": "29 more agent-ready APIs you can call the same way (x402 pay-per-call). Full free catalog at the catalog URL; each serves a FREE real sample record (freeSample link) — taste before you pay. A few you might want:",
      "services": [
        {
          "call": "/token-safety?ref=xsell&v=menu&from=news",
          "name": "Token Safety Check",
          "summary": "On-chain token risk screening for agents",
          "freeSample": "/token-safety/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/address-screen?ref=xsell&v=menu&from=news",
          "name": "Address Risk Screen",
          "summary": "Crypto address risk screening for agents",
          "freeSample": "/address-screen/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/sanctions-screen?ref=xsell&v=menu&from=news",
          "name": "OFAC Sanctions Name Screen",
          "summary": "Fuzzy OFAC name screening for agents with compliance duties",
          "freeSample": "/sanctions-screen/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/email-check?ref=xsell&v=menu&from=news",
          "name": "Email Deliverability Check",
          "summary": "Part of the Trust & Verification suite — verify anything, pay-per-check",
          "freeSample": "/email-check/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/domain-intel?ref=xsell&v=menu&from=news",
          "name": "Domain Intel (RDAP + DNS)",
          "summary": "Domain registration truth + DNS posture for agents, pay-per-check — part of the Trust & Verification suite…",
          "freeSample": "/domain-intel/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/url-screen?ref=xsell&v=menu&from=news",
          "name": "Malicious URL Screen",
          "summary": "Phishing & malicious-URL screening for agents — hand over any http(s) URL and get a structured risk verdict…",
          "freeSample": "/url-screen/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/phone-check?ref=xsell&v=menu&from=news",
          "name": "Phone Number Validation",
          "summary": "Phone-number validation for agents — is this number real, what region and line type, and its canonical E.16…",
          "freeSample": "/phone-check/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/swap-quote?ref=xsell&v=menu&from=news",
          "name": "DEX Swap Quote",
          "summary": "Read-only on-chain swap pricing for agents",
          "freeSample": "/swap-quote/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/gas-oracle?ref=xsell&v=menu&from=news",
          "name": "Multichain Gas Oracle",
          "summary": "Live multi-chain gas oracle for on-chain agents",
          "freeSample": "/gas-oracle/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/prices?ref=xsell&v=menu&from=news",
          "name": "Crypto Prices (Chainlink)",
          "summary": "Decentralized crypto spot prices + oracle price history for on-chain agents, read DIRECTLY from Chainlink p…",
          "freeSample": "/prices/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/ens-resolve?ref=xsell&v=menu&from=news",
          "name": "ENS Resolver",
          "summary": "Spoof-safe ENS resolution for on-chain agents",
          "freeSample": "/ens-resolve/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/company?ref=xsell&v=menu&from=news",
          "name": "Company Enrichment (SEC EDGAR)",
          "summary": "Company enrichment for agents — hand over a ticker, CIK, or name and get ground-truth SEC identity plus fin…",
          "freeSample": "/company/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/sec-10k?ref=xsell&v=menu&from=news",
          "name": "SEC Annual Report (10-K)",
          "summary": "U.S",
          "freeSample": "/sec-10k/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/sec-10q?ref=xsell&v=menu&from=news",
          "name": "SEC Quarterly Report (10-Q)",
          "summary": "U.S",
          "freeSample": "/sec-10q/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/sec-8k?ref=xsell&v=menu&from=news",
          "name": "SEC Current Report (8-K)",
          "summary": "U.S",
          "freeSample": "/sec-8k/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/insider-trades?ref=xsell&v=menu&from=news",
          "name": "Insider Trades",
          "summary": "SEC Form 4 insider transactions made agent-ready — who's buying and selling their own company's stock, norm…",
          "freeSample": "/insider-trades/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/13f-holdings?ref=xsell&v=menu&from=news",
          "name": "13F Institutional Holdings",
          "summary": "What every institutional manager actually holds, made agent-ready — normalized SEC 13F-HR portfolios for ~8…",
          "freeSample": "/13f-holdings/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/macro?ref=xsell&v=menu&from=news",
          "name": "US Macro Indicators",
          "summary": "WIP / FREE (BETA) — currently free while data coverage and freshness are expanded; pricing returns once pro…",
          "freeSample": "/macro/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/patent?ref=xsell&v=menu&from=news",
          "name": "US Patent Search",
          "summary": "WIP / FREE (BETA) — currently free; the corpus is a small curated slice of landmark patents while the full…",
          "freeSample": "/patent/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/ipo-calendar?ref=xsell&v=menu&from=news",
          "name": "IPO Calendar",
          "summary": "The US IPO pipeline straight from SEC EDGAR — public domain, no paid feed",
          "freeSample": "/ipo-calendar/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/fx-rates?ref=xsell&v=menu&from=news",
          "name": "FX Reference Rates",
          "summary": "Daily reference FX rates for commerce and accounting agents",
          "freeSample": "/fx-rates/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/weather?ref=xsell&v=menu&from=news",
          "name": "Weather & Forecast",
          "summary": "Weather for agents — the canonical tool call, pay-per-use",
          "freeSample": "/weather/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/reader?ref=xsell&v=menu&from=news",
          "name": "Web Reader & Screenshot",
          "summary": "Give your agent a real browser",
          "freeSample": "/reader/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/convert?ref=xsell&v=menu&from=news",
          "name": "Document Convert (PDF/Image → Text)",
          "summary": "Document conversion tools for agents — hand over any PDF or image (public URL, base64, or raw POSTed bytes,…",
          "freeSample": "/convert/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/nft?ref=xsell&v=menu&from=news",
          "name": "NFT Insight (Scam Check, Owners)",
          "summary": "NFT collection intelligence for agents — Ethereum now, Base next",
          "freeSample": "/nft/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/sfx?ref=xsell&v=menu&from=news",
          "name": "8-bit SFX Generator",
          "summary": "Deterministic 8-bit sound-effect synthesis for agents — game-ready WAVs from a seed or preset in one paid c…",
          "freeSample": "/sfx/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/icons?ref=xsell&v=menu&from=news",
          "name": "Icon Search",
          "summary": "Inline SVG icons for agents building UIs without CDN access — CSP blocks icon CDNs and hand-drawn path data…",
          "freeSample": "/icons/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/pokemon?ref=xsell&v=menu&from=news",
          "name": "Pokemon API",
          "summary": "Pokemon knowledge base for agents",
          "freeSample": "/pokemon/sample?ref=xsell&v=menu&from=news"
        },
        {
          "call": "/minecraft?ref=xsell&v=menu&from=news",
          "name": "Minecraft Data",
          "summary": "Minecraft game data for agents — look up any block or item by name with properties, ids and metadata, list…",
          "freeSample": "/minecraft/sample?ref=xsell&v=menu&from=news"
        }
      ],
      "strategy": "menu",
      "catalogUrl": "https://x402.professorsausages.com/?ref=402&v=menu&from=news"
    },
    "suggest": {
      "url": "https://x402.professorsausages.com/suggest",
      "hint": "Missing data you'd pay for? POST {want, would_pay_usd} — free. The most-requested datasets get built first."
    },
    "discount": {
      "off": "50%",
      "hint": "Send X-Intent: <40+ chars describing what you're building and what data you need> for 50% off this call.",
      "header": "X-Intent"
    }
  },
  "x402Version": 2
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0x54ebFCF3870439B9db62381848c5DabC05c70d5B",
    "amount": "30000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 60
  }
]

Extensions

{
  "help": {
    "docs": "https://x402.professorsausages.com/news",
    "sample": "https://x402.professorsausages.com/news/sample",
    "example": "https://x402.professorsausages.com/news/timeline",
    "openapi": "https://x402.professorsausages.com/news/openapi.json"
  },
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "queryParams": {
          "q": "Search terms. Same matching rules as /news/search.",
          "to": "Upper bound on publish time.",
          "from": "Lower bound on publish time.",
          "bucket": "Aggregation granularity."
        }
      }
    },
    "schema": {
      "type": "object",
      "required": [
        "input"
      ],
      "properties": {
        "input": {
          "type": "object"
        }
      }
    },
    "category": "news",
    "routeTemplate": "https://x402.professorsausages.com/news/timeline"
  }
}

Provenance

Seen in the source catalog

2026-09-22 06:18Z

Last indexed by Roundhouse

2026-09-24 07:40Z

Last enriched (probe, favicon, geo)

2026-09-10 11:45Z

x402 version

2

Max timeout

60s

Liveness probe

HTTP 400