API & data files

Everything on ColorSwoop is available as plain data. No key, no rate limit beyond fair use, CC0 licensed.

Endpoints

• /api/palettes.json — all 3,219 palettes: id, name, url, colors (4 hex), tags, curated.
• /api/tags.json — the collections with counts and descriptions.
• /llms-full.txt — the same catalog as one plain-text file, written for LLM agents.
• /llms.txt — short site overview and navigation guide.
• /sitemap-index.xml — every page URL.

Example

fetch('https://colorswoop.com/api/palettes.json')
  .then(r => r.json())
  .then(d => d.palettes.filter(p => p.tags.includes('pastel')).slice(0, 5));

Attribution

Not required. If you cite a palette, link its page (url) so readers can copy the codes and see contrast data.