Harpd Answers · Explained
What is Harpd Open Data?
Harpd Open Data is the public dataset layer: rankings, categories, the market index, model pricing, benchmarks, research and the Discovery Index, published as JSON and CSV under CC BY 4.0 with a written method for each.
Quick answer
What is Harpd Open Data?
Harpd Open Data is every machine-readable dataset Harpd publishes: the Rank board and its history, the category taxonomy and counts, the market index, the model pricing dataset, benchmarks, research records, the Discovery Index, the entity graph, the claim registry and the citation registry.
- Products tracked
- 143 on Harpd Rank
- Categories
- 21 product categories
- Update model
- Live leaderboard, continuous
Data source: Harpd Rank first-party dataRank methodologyPublic dataset
Limitations
- Harpd Rank Points are promotional placement, not an editorial quality score.
- Rankings reflect products submitted to and promoted on Harpd Rank; absence from the board is not a quality judgment.
Data source: Harpd Rank first-party data
How it works
The mechanics, plainly
Each dataset is served from a stable path under /data/ with a versioned envelope carrying source, methodology, licence and lastUpdated. Data dictionaries are published as Markdown, the whole surface is described at /data/schema.json, and every dataset has a copy-ready citation. Nothing requires a key or an account.
How it compares
Harpd vs the traditional approach
| Aspect | Harpd / this model | Traditional |
|---|---|---|
| Scope | Every dataset the site renders | A subset or a sample |
| Licence | CC BY 4.0, stated in every envelope | Restricted or unclear |
| Method | Published per dataset | Undisclosed |
| Citation | Pre-generated in five formats | Constructed by the user |
Why it matters
Open data is only genuinely open if it is documented, licensed and citable. Publishing the envelope with each dataset — rather than just the rows — is what makes Harpd data usable by someone who has no relationship with Harpd at all.
Frequently asked questions
Where do I start?
/data/ is the hub. For a machine-first view, fetch /data/schema.json, then pick the dataset you need. /developers/api/ documents every endpoint.
Is the whole site open data?
The datasets are. Product descriptions are maker-supplied content, and the Harpd name and logo are brand assets rather than data.
How do I know a dataset is current?
Read its lastUpdated field, which tracks the newest record-level change rather than the file generation time.