Newest headlines from a deduped, tiered direct-feed pile (official press + wires/majors +

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x54ebFCF3870439B9db62381848c5DabC05c70d5B",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "maxTimeoutSeconds": 60
  }
]

{
  "bazaar": {
    "category": "news",
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "category": "Restrict to one topical category.",
          "lang": "ISO-639-1 language code.",
          "limit": "How many articles to return.",
          "source": "Restrict to one ingestion source. gnews is retired (archived articles only)."
        },
        "type": "http"
      },
      "output": {
        "properties": {
          "articles": {
            "items": {
              "properties": {
                "categories": {
                  "items": {
                    "type": "string"
                  },
                  "type": "array"
                },
                "cluster": {
                  "description": "Story-cluster id — articles sharing one are the SAME story from different outlets. The served window already keeps only one article per cluster, so this is provenance, not a filter you must apply. null when the headline was too short to cluster safely.",
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "country": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "domain": {
                  "type": "string"
                },
                "feed": {
                  "description": "Human feed label, e.g. \"BBC World\", \"Hacker News\", \"GDELT: technology\".",
                  "type": "string"
                },
                "id": {
                  "description": "sha1(normalized url) hex, first 16 chars — the dedupe key.",
                  "type": "string"
                },
                "lang": {
                  "description": "ISO-639-1 language, best-effort.",
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "published": {
                  "description": "ISO-8601 publish time (best-effort).",
                  "type": "string"
                },
                "seen_at": {
                  "type": "string"
                },
                "snippet": {
                  "description": "Short plain-text description from the feed (≤240 chars); absent when the feed carries none.",
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "source": {
                  "enum": [
                    "gdelt",
                    "hn",
                    "rss",
                    "gnews",
                    "sitemap"
                  ],
                  "type": "string"
                },
                "tier": {
                  "description": "Reputability tier of the feed: official (Fed/SEC/White House/BLS/ECB press), major (wires + major outlets), trade (quality trade press), social (Hacker News), enrichment (GDELT-discovered, reputation-gated). Absent on records archived before the tiered portfolio.",
                  "enum": [
                    "official",
                    "major",
                    "trade",
                    "social",
                    "enrichment",
                    null
                  ],
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "title": {
                  "type": "string"
                },
                "tone": {
                  "description": "GDELT document tone (negative = adverse), attached by URL match from GDELT's 15-minute files — present on any source GDELT also saw; null otherwise.",
                  "type": [
                    "number",
                    "null"
                  ]
                },
                "url": {
                  "type": "string"
                }
              },
              "required": [
                "id",
                "title",
                "url",
                "domain",
                "source",
                "feed",
                "published",
                "categories",
                "seen_at"
              ],
              "type": "object"
            },
            "type": "array"
          },
          "count": {
            "type": "integer"
          },
          "freshness": {
            "properties": {
              "as_of": {
                "description": "updated_at of the corpus this response was served from.",
                "type": "string"
              },
              "coverage": {
                "properties": {
                  "articles": {
                    "description": "Articles covering that span.",
                    "type": "integer"
                  },
                  "hours": {
                    "description": "newest − oldest in hours — the searchable depth, usually far below window_hours.",
                    "type": "number"
                  },
                  "newest_published": {
                    "description": "Newest publish time held.",
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "oldest_published": {
                    "description": "Oldest publish time held; the real floor of any date filter.",
                    "type": [
                      "string",
                      "null"
                    ]
                  }
                },
                "required": [
                  "oldest_published",
                  "newest_published",
                  "hours",
                  "articles"
                ],
                "type": "object"
              },
              "source_count": {
                "description": "Number of sources with ≥1 article in the current pile.",
                "type": "integer"
              },
              "window_hours": {
                "description": "Retention POLICY in hours (72). NOT the searchable depth — see coverage.hours.",
                "type": "integer"
              }
            },
            "required": [
              "as_of",
              "window_hours",
              "source_count",
              "coverage"
            ],
            "type": "object"
          },
          "updated_at": {
            "type": "string"
          },
          "window_hours": {
            "type": "integer"
          }
        },
        "required": [
          "updated_at",
          "window_hours",
          "count",
          "articles",
          "freshness"
        ],
        "type": "object"
      }
    },
    "routeTemplate": "https://x402.professorsausages.com/news/headlines",
    "schema": {
      "properties": {
        "input": {
          "type": "object"
        },
        "output": {
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  },
  "catalog": {
    "catalogUrl": "https://x402.professorsausages.com/?ref=402&v=related&from=news",
    "message": "You called Multi-Source News. Agents doing news work commonly also use these — same pay-per-call model, each with a FREE real sample record (freeSample link):",
    "related": [
      {
        "call": "/token-safety?ref=xsell&v=related&from=news",
        "freeSample": "/token-safety/sample?ref=xsell&v=related&from=news",
        "name": "Token Safety Check",
        "summary": "On-chain token risk screening for agents"
      },
      {
        "call": "/address-screen?ref=xsell&v=related&from=news",
        "freeSample": "/address-screen/sample?ref=xsell&v=related&from=news",
        "name": "Address Risk Screen",
        "summary": "Crypto address risk screening for agents"
      },
      {
        "call": "/sanctions-screen?ref=xsell&v=related&from=news",
        "freeSample": "/sanctions-screen/sample?ref=xsell&v=related&from=news",
        "name": "OFAC Sanctions Name Screen",
        "summary": "Fuzzy OFAC name screening for agents with compliance duties"
      }
    ],
    "strategy": "related"
  },
  "discount": {
    "header": "X-Intent",
    "hint": "Send X-Intent: <40+ chars describing what you're building and what data you need> for 50% off this call.",
    "off": "50%"
  },
  "help": {
    "docs": "https://x402.professorsausages.com/news",
    "example": "https://x402.professorsausages.com/news/headlines",
    "openapi": "https://x402.professorsausages.com/news/openapi.json",
    "sample": "https://x402.professorsausages.com/news/sample"
  },
  "sample": {
    "hint": "A real cached response from this API (with its capture timestamp), free — judge the data quality before paying.",
    "url": "https://x402.professorsausages.com/news/sample"
  },
  "suggest": {
    "hint": "Missing data you'd pay for? POST {want, would_pay_usd} — free. The most-requested datasets get built first.",
    "url": "https://x402.professorsausages.com/suggest"
  }
}

curl "https://x402.professorsausages.com/news/headlines"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://x402.professorsausages.com/news/headlines");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://x402.professorsausages.com/news/headlines")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header