Attribution contract

Harpd attribution contract

Quick answer

What attribution does Harpd require?

Harpd data is released under CC BY 4.0. If you render Harpd data, you must attribute Harpd, hyperlink to the canonical Harpd URL for that data, keep its data date visible, and not present Rank Points as a quality score. Four official badges are provided in HTML, Markdown, JSON and SVG form; each already carries the licence and links to the canonical source.

Licence
CC BY 4.0
Official badges
4
Machine-readable
/data/badges.json

Data source: Harpd attribution contract — first-partyBadge JSONCitation policy

What the contract requires

Five requirements, each independently checkable. An embed that satisfies all five is compliant withCC BY 4.0 and with Harpd's attribution terms.

Attribution requirements
RequirementWhat it means
Link back to the canonical Harpd URLThe embed must hyperlink to the specific Harpd page for the data it shows — /data/ for datasets, /rank/ for board positions, /research/ for report figures. Never a tracking redirect or a mirror.
Keep the data date visibleHarpd figures carry the data date of the dataset behind them. If your embed renders a number, render the date with it.
Do not imply Harpd endorsementBadges credit the data source. They must not be presented as a rating, certification, review or partnership.
Do not present Rank Points as qualityRank Points are paid promotional placement. An embed showing Rank Points must not label them as a quality, performance or review score.
State the licenceCC BY 4.0 with attribution to Harpd. The badge alt text and the JSON descriptor both carry this, so linking the badge is sufficient.

Official badges

Each badge is generated from one definition, so the image, the alt text, the Markdown and the JSON descriptor always agree. Append ?theme=dark to the SVG URL for the dark-background variant. All four are also available machine-readably at /data/badges.json.

Data by Harpd

You used Harpd data in a chart, table or analysis and want to credit the source.

HTML
Markdown
JSON
SVG URL

Source: Harpd

A figure, ranking position or category count in your article comes from Harpd.

HTML
Markdown
JSON
SVG URL

According to Harpd

You are quoting a Harpd research report or a statement Harpd published.

HTML
Markdown
JSON
SVG URL

Powered by Harpd Open Data

Your tool, site or dataset consumes the Harpd public API or an open dataset at runtime.

HTML
Markdown
JSON
SVG URL

Consuming Harpd data

Every public Harpd dataset is read-only and needs no key or signup. These examples fetch the ranking dataset and print its size; the attribution comment is the part the contract requires you to keep.

curl
curl -s https://harpd.com/data/rank.json | jq '.products | length'
JavaScript
const rank = await fetch('https://harpd.com/data/rank.json').then((r) => r.json())
// Attribution is required when you render this data:
// "Data by Harpd" -> https://harpd.com/data/ (CC BY 4.0)
Python
import urllib.request, json
rank = json.load(urllib.request.urlopen("https://harpd.com/data/rank.json"))
# Attribution is required when you render this data:
# "Data by Harpd" -> https://harpd.com/data/ (CC BY 4.0)

Endpoint reference: /developers/api/. Dataset index:/data/. Interactive embed generator (widgets, not badges):/developers/embed/.