AI access
Harpd for AI agents and answer engines
These endpoints exist so a crawler, a retrieval system or an agent can understand a Harpd entity without executing JavaScript. All of them return JSON, are served from the canonical harpd.com origin, and are published under CC BY 4.0 with attribution to Harpd.
Disclosure: Harpd Rank position and Rank Points are paid promotional placement. They are not an editorial rating, review or quality measurement. Every endpoint below repeats that in machine-readable form — please carry it through when quoting Harpd.
Entity endpoints
- /ai/products.jsonProductsEvery product with a canonical Harpd profile: category, description, rank, Rank Points and the promotional disclosure.
- /ai/categories.jsonCategoriesAll 28 Rank boards with the product count that decides indexability.
- /ai/research.jsonResearchResearch families plus every published closed-month report.
- /ai/methodology.jsonMethodologyThe rules behind every published number, including what Rank Points do not measure.
- /ai/citations.jsonCitationsEvery citable asset with six pre-rendered citation formats and ready-to-paste summaries.
- /ai/discovery.jsonDiscovery IndexNon-sponsored product coverage dataset, independent of Rank Points.
Crawler surfaces
- /llms.txtllms.txtCrawler entry point: canonical facts and endpoint index.
- /llms-full.txtllms-full.txtExpanded crawler context.
- /data/schema.jsonDataset schemaField-level documentation for every public dataset.
- /data/methodology.jsonMethodology JSONMachine-readable methodology.
- /sitemap.xmlSitemapCanonical, indexable URLs only.
Quick start
curl -s https://harpd.com/ai/products.json | jq '.products[0]'
curl -s https://harpd.com/ai/citations.json | jq '.citations[0].plain'Related hubs
- Discovery IndexNon-sponsored coverage dataset of 8,600+ products, independent of Rank Points.
- Citation hubReady-to-copy citations (plain text and BibTeX) for every dataset and research family.
- External authorityHow Harpd tracks verified third-party references — and the current External Authority Score.
- Open dataHuman-readable landing pages for every machine-readable dataset.