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FontFYI

Comprehensive font reference for developers and designers. 1,925 Google Fonts with AI-powered pairing recommendations, font comparisons, CSS generation tools, typography glossary, and use-case guides. Free JSON API, no auth required.

For agents: Font reference for developers and designers covering 1,925 Google Fonts, with pairings, comparisons, CSS generation and a free JSON API requiring no auth.

google fontsfont pairingcss generatorfont comparisontypography api

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-21T14:35:17.178Z. Cached copy · Source on fontfyi.com

# FontFYI

> Comprehensive font reference for developers and designers. 1,925 Google Fonts with AI-powered pairing recommendations, font comparisons, CSS generation tools, typography glossary, and use-case guides. Free JSON API, no auth required.

## Data Scope
- 1,925 fonts from Google Fonts, GitHub, and custom sources
- 14 curated font pairings with AI-generated rationale
- 30 font tags (mood/style classification)
- 5 categories: Sans Serif, Serif, Display, Handwriting, Monospace
- 14 subcategories/styles: Geometric Sans, Humanist Sans, Neo-grotesque, Slab Serif, etc.
- 83 typography glossary terms across 8 categories
- 110 blog posts on typography guides and font reviews
- 10 interactive tools (pairing generator, type scale, CSS generator, etc.)
- 17 use-case guides (resume, blog, e-commerce, mobile app, etc.)
- Available in 15 languages

## URL Patterns
- Append `.md` to any URL for plain-text markdown format.
- i18n: URL prefix `/{lang}` for non-English (ko, ja, zh-hans, es, pt, fr, de, ru, ar, hi, th, vi, id, tr).
- `/font/{slug}/` — Font detail page (e.g. `/font/inter/`)
- `/font/{slug}/download/` — Font download page (e.g. `/font/inter/download/`)
- `/font/{slug}/pairings/` — Font pairings page (e.g. `/font/inter/pairings/`)
- `/compare/{font1}-vs-{font2}/` — Font comparison (2 fonts) (e.g. `/compare/inter-vs-roboto/`)
- `/compare/{font1}-vs-{font2}-vs-{font3}/` — Font comparison (3 fonts) (e.g. `/compare/inter-vs-roboto-vs-poppins/`)
- `/pairings/` — All font pairings (e.g. `/pairings/`)
- `/pairings/{slug}/` — Pairing detail (e.g. `/pairings/inter-plus-merriweather/`)
- `/category/{slug}/` — Category page (e.g. `/category/sans-serif/`)
- `/style/{slug}/` — Subcategory/style page (e.g. `/style/geometric-sans/`)
- `/tag/{slug}/` — Font tag page (e.g. `/tag/modern/`)
- `/designer/{slug}/` — Designer page (e.g. `/designer/google/`)
- `/fonts/{slug}/` — Language/script fonts (e.g. `/fonts/korean/`)
- `/use-case/{slug}/` — Use-case recommendation (e.g. `/use-case/resume/`)
- `/glossary/{slug}/` — Glossary term detail (e.g. `/glossary/kerning/`)
- `/blog/{slug}/` — Blog post (e.g. `/blog/complete-guide-font-pairing/`)
- `/tools/{slug}/` — Interactive tool (e.g. `/tools/css-generator/`)

## Browse Fonts
- [All Fonts — Popular](https://fontfyi.com/popular/)
- [Trending Fonts](https://fontfyi.com/trending/)
- [Recently Added](https://fontfyi.com/new/)
- [Sans Serif](https://fontfyi.com/category/sans-serif/)
- [Serif](https://fontfyi.com/category/serif/)
- [Display](https://fontfyi.com/category/display/)
- [Handwriting](https://fontfyi.com/category/handwriting/)
- [Monospace](https://fontfyi.com/category/monospace/)
- [Font Tags](https://fontfyi.com/tag/)
- [Designers](https://fontfyi.com/designer/)
- [Language/Script Fonts](https://fontfyi.com/fonts/)

## Font Pairings
- [All Pairings](https://fontfyi.com/pairings/)
- [Inter Pairings](https://fontfyi.com/font/inter/pairings/)
- [Roboto Pairings](https://fontfyi.com/font/roboto/pairings/)

## Comp
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1. POST https://agentwebmap.com/v1/sites/fontfyi.com/claims and keep claim_id and claim_secret private.
2. Publish the proof: add the line "AgentWebMap ownership: <token>" (token from step 1) to https://fontfyi.com/llms.txt, or use the DNS, meta-tag or well-known method the response describes.
3. POST https://agentwebmap.com/v1/sites/fontfyi.com/verify with {"claim_id": "...", "claim_secret": "..."}.
4. Save the api_key from the answer; it manages the listing (PATCH https://agentwebmap.com/v1/sites/fontfyi.com).
MCP equivalent: tools begin_ownership_claim, then verify_domain, at https://agentwebmap.com/mcp. Docs: https://agentwebmap.com/docs#verify

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