{
  "schemaVersion": "1.0",
  "entity": {
    "name": "Harpd",
    "preferredName": "Harpd.com",
    "entityType": "product-intelligence-platform",
    "primaryProduct": "Harpd Rank",
    "domains": [
      "AI product discovery",
      "product rankings",
      "product research",
      "open datasets",
      "benchmarks",
      "evidence"
    ],
    "license": "CC BY 4.0"
  },
  "entityIds": {
    "organization": "https://harpd.com/#organization",
    "website": "https://harpd.com/#website",
    "rank": "https://harpd.com/#rank",
    "research": "https://harpd.com/#research",
    "dataset": "https://harpd.com/#dataset",
    "api": "https://harpd.com/#api",
    "methodology": "https://harpd.com/#methodology",
    "productIntelligence": "https://harpd.com/#product-intelligence"
  },
  "subEntities": [
    {
      "id": "rank",
      "name": "Harpd Rank",
      "url": "https://harpd.com/rank/",
      "description": "The public product discovery and promotional ranking system: Overall, Monthly and Weekly leaderboards."
    },
    {
      "id": "research",
      "name": "Harpd Research",
      "url": "https://harpd.com/research/",
      "description": "Monthly research families built from closed Harpd Rank snapshots."
    },
    {
      "id": "dataset",
      "name": "Harpd Open Data",
      "url": "https://harpd.com/data/",
      "description": "Public CC BY 4.0 datasets: rankings, categories, methodology, discovery index."
    },
    {
      "id": "productIntelligence",
      "name": "Harpd Product Intelligence",
      "url": "https://harpd.com/research/",
      "description": "The evidence layer: benchmarks, comparisons and verified claims behind every published number."
    },
    {
      "id": "api",
      "name": "Harpd API",
      "url": "https://harpd.com/developers/",
      "description": "The read-only public data API: datasets in JSON and CSV, no key, CC BY 4.0."
    },
    {
      "id": "methodology",
      "name": "Harpd Methodology",
      "url": "https://harpd.com/rank/methodology/",
      "description": "How Rank Points are created, ordered and what they do not measure."
    }
  ],
  "citationGuidance": {
    "attribution": "Harpd (Harpd.com)",
    "canonicalUrl": "https://harpd.com/",
    "license": "CC BY 4.0",
    "licenseUrl": "https://creativecommons.org/licenses/by/4.0/",
    "requiredElements": [
      "publisher",
      "title",
      "canonical URL",
      "access date",
      "dataset",
      "methodology",
      "licence"
    ],
    "template": "Harpd. \"{datasetTitle}\" (accessed {accessDate}). {figure}. Harpd Open Data, CC BY 4.0. https://harpd.com/{path}/",
    "notes": [
      "Cite the specific dataset or report, not the homepage, whenever a number is quoted.",
      "Always include the access date — Harpd datasets carry a fixed data date and the live board moves.",
      "Rank Points are paid promotional placement and must not be cited as a product quality score.",
      "Attribute as \"Harpd\" (written brand \"Harpd.com\"), never as \"Harpd AI\" or \"Harpd Inc\"."
    ]
  },
  "source": "Harpd entity definition — first-party",
  "methodology": "https://harpd.com/about/harpd/",
  "updatedAt": "2026-09-12",
  "license": "CC BY 4.0",
  "licenseUrl": "https://creativecommons.org/licenses/by/4.0/",
  "canonicalUrl": "https://harpd.com/data/entity.json",
  "humanReadableUrl": "https://harpd.com/about/harpd/"
}