{
  "x402Version": 2,
  "id": 3917,
  "slug": "3917",
  "resource": "https://data.greeneris.io/v1/dev/hn-top",
  "description": "Current Hacker News front page via the official Firebase API, fanned out and merged into one payload: id, title, url, score, comment count and age in minutes per story. Query: ?n=20 (1-30 stories) &min_score=100 (optional score floor). Real-time tech signal for launch/incident/buzz detection. 5min cache.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x6ab8efe305cce67daa48c97bde29c04402822dff",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "2000",
      "maxTimeoutSeconds": 300
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  "outputSchema": {
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        "input": {
          "method": "GET",
          "queryParams": {
            "min_score": 100,
            "n": 10
          },
          "type": "http"
        },
        "output": {
          "example": {
            "count": 2,
            "source": "Hacker News official Firebase API (live front page)",
            "stories": [
              {
                "age_min": 254,
                "comments": 141,
                "id": 48888518,
                "score": 312,
                "title": "Show HN: A fast SQLite VFS",
                "url": "https://example.dev/sqlite-vfs"
              },
              {
                "age_min": 402,
                "comments": 87,
                "id": 48888193,
                "score": 205,
                "title": "PostgreSQL 19 released",
                "url": "https://postgresql.org/19"
              }
            ]
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          "type": "json"
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        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
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            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
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                  "HEAD",
                  "DELETE"
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                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "min_score": {
                    "default": 0,
                    "description": "Minimum upvote score",
                    "minimum": 0,
                    "type": "integer"
                  },
                  "n": {
                    "default": 20,
                    "description": "Number of stories",
                    "maximum": 30,
                    "minimum": 1,
                    "type": "integer"
                  }
                },
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "data.greeneris.io",
  "lastUpdated": "2026-09-12T07:02:10.521Z",
  "quality": {
    "calls30d": 2,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-09-12T07:02:10.094Z"
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  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "data.greeneris.io",
    "manifest_name": "data.greeneris.io",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}