Developers
Use Harpd Data
Harpd's datasets are open under CC BY 4.0: every machine-readable endpoint, every export format and every embed is free to use, redistribute and build on, with attribution. If you cite Harpd in research, a dashboard or an article, this page is the front door.
Bulk exports
API endpoints
/data/rank.json/data/rank.csv/data/products.json/data/categories.json/data/rank-history.json/data/market-index.json/data/top-products.json/data/rank-open-data.json/data/llm-pricing.json/data/llm-pricing.csv/data/benchmarks.json/data/benchmarks.csv/data/methodology.json/data/evidence.json/data/answers.json/data/comparisons.json/data/alternatives.json/data/research.json/data/claims.json/data/citations.json/data/schema.json
Embeddable widgets
- Rank widget docs →
<script src="https://harpd.com/embed/rank.js"></script>Live board with disclosure attached.
Methodology & citation
- Methodology registry → — scoring rules, inclusion criteria, revision history
- Citation registry → — every claim with its evidence chain
- Dataset schema →
Cite: Harpd. “Harpd Product Ranking Data” (retrieved 2026). https://harpd.com/data/ — CC BY 4.0.
Rank Points measure promotional ranking activity, not editorial quality. Position in any Harpd dataset reflects promotional spend, and every export carries the same disclosure.