# TLDFYI

> Comprehensive top-level domain reference for domain investors, web developers, and registrars. Covers TLD types (gTLD, ccTLD, new gTLD), registrars, pricing, registries, brand TLDs, domain hacks, TLD collections, use case recommendations, industry profiles, timeline, interactive tools, glossary, and in-depth guides. 15 languages supported.

## Data Scope
- TLDs with type, registry, restrictions, WHOIS, DNSSEC support
- Registrars with pricing, features, and supported TLDs
- TLD pricing comparison across registrars
- Registries with delegation history and policy details
- Industry profiles — which TLDs suit which industries
- Brand TLDs (.google, .apple, etc.) with ownership and usage
- Domain hacks — creative domain name patterns
- TLD collections curated by theme (short, memorable, geographic, etc.)
- Use case recommendations — best TLDs for blogs, startups, e-commerce
- TLD timeline — historical eras from ARPANET to new gTLDs
- Side-by-side TLD comparisons
- Registrar comparisons with feature matrices
- TLD statistics snapshots
- Interactive tools: domain availability, TLD suggest, TLD score
- Domain glossary with DNS and registration terminology
- In-depth guides organized by series

## URL Patterns
- Append `.md` to any URL for plain-text markdown format.
- i18n: URL prefix `/{lang}` for non-English (ko, ja, zh-hans, es, fr, de, pt, ru, vi, tr, ar, hi, th, id).
- `/tld/{slug}/` — TLD detail (e.g. `/tld/com/`)
- `/registrars/` — Browse registrars (e.g. `/registrars/`)
- `/registrars/{slug}/` — Registrar detail (e.g. `/registrars/cloudflare/`)
- `/industry/` — Industry profiles (e.g. `/industry/`)
- `/industry/{slug}/` — Industry detail (e.g. `/industry/technology/`)
- `/registry/` — TLD registries (e.g. `/registry/`)
- `/registry/{slug}/` — Registry detail (e.g. `/registry/verisign/`)
- `/collections/` — TLD collections (e.g. `/collections/`)
- `/collections/{slug}/` — Collection detail (e.g. `/collections/short-tlds/`)
- `/brands/` — Brand TLDs (e.g. `/brands/`)
- `/brands/{slug}/` — Brand TLD detail (e.g. `/brands/google/`)
- `/domain-hacks/` — Domain hacks (e.g. `/domain-hacks/`)
- `/domain-hacks/{slug}/` — Domain hack detail (e.g. `/domain-hacks/del-icio-us/`)
- `/best-tlds/` — Use case recommendations (e.g. `/best-tlds/`)
- `/best-tlds/{slug}/` — Use case detail (e.g. `/best-tlds/startups/`)
- `/timeline/` — TLD timeline (e.g. `/timeline/`)
- `/timeline/{slug}/` — Timeline era detail (e.g. `/timeline/new-gtld-era/`)
- `/compare/{slug}/` — TLD comparison (e.g. `/compare/com-vs-net/`)
- `/glossary/` — Domain glossary (e.g. `/glossary/`)
- `/glossary/{slug}/` — Glossary category (e.g. `/glossary/dns/`)
- `/guides/` — In-depth guides (e.g. `/guides/`)
- `/tools/` — Interactive tools (e.g. `/tools/`)
- `/tools/{slug}/` — Tool detail (e.g. `/tools/tld-suggest/`)
- `/faq/` — FAQ categories (e.g. `/faq/`)
- `/search/` — Search TLDs, terms, guides (e.g. `/search/?q=.dev`)

## TLD Database
- [All TLDs](https://tldfyi.com/)
- [Registrars](https://tldfyi.com/registrars/)
- [Registries](https://tldfyi.com/registry/)
- [TLD Comparisons](https://tldfyi.com/compare/)
- [TLD Statistics](https://tldfyi.com/stats/)

## Discovery
- [Brand TLDs](https://tldfyi.com/brands/)
- [Domain Hacks](https://tldfyi.com/domain-hacks/)
- [TLD Collections](https://tldfyi.com/collections/)
- [Best TLDs by Use Case](https://tldfyi.com/best-tlds/)
- [Industry Profiles](https://tldfyi.com/industry/)

## History & Reference
- [TLD Timeline](https://tldfyi.com/timeline/)
- [Glossary](https://tldfyi.com/glossary/)
- [Guides](https://tldfyi.com/guides/)
- [FAQ](https://tldfyi.com/faq/)

## Interactive Tools
- [All Tools](https://tldfyi.com/tools/)

## Embed Widget
- [TLDFYI Widget Docs](https://widget.tldfyi.com)
- [tldfyi-embed on npm](https://www.npmjs.com/package/tldfyi-embed)
- [tldfyi-embed on GitHub](https://github.com/fyipedia/tldfyi-embed)

## REST API

Free REST API. No authentication required. JSON responses. CORS enabled.

| Method | Endpoint | Description |
|--------|----------|-------------|
| GET | `/api/v1/rest/tlds/` | List all TLDs |
| GET | `/api/v1/rest/tlds/{slug}/` | TLD detail |
| GET | `/api/v1/rest/registrars/` | Registrars |
| GET | `/api/v1/rest/pricing/` | TLD pricing |
| GET | `/api/v1/rest/comparisons/` | TLD comparisons |
| GET | `/api/v1/rest/glossary-categories/` | Glossary categories |
| GET | `/api/v1/rest/glossary-terms/` | Glossary terms |
| GET | `/api/v1/rest/guide-series/` | Guide series |
| GET | `/api/v1/rest/guides/` | Guide articles |
| GET | `/api/v1/rest/tools/` | Interactive tools |
| GET | `/api/v1/rest/industries/` | Industry profiles |
| GET | `/api/v1/rest/registries/` | TLD registries |
| GET | `/api/v1/rest/collections/` | TLD collections |
| GET | `/api/v1/rest/brands/` | Brand TLDs |
| GET | `/api/v1/rest/domain-hacks/` | Domain hacks |
| GET | `/api/v1/rest/use-cases/` | Use case profiles |
| GET | `/api/v1/rest/timeline-eras/` | Timeline eras |
| GET | `/api/v1/rest/faqs/` | FAQs |
| GET | `/api/v1/rest/stat-snapshots/` | TLD statistics |

```bash
curl -s "https://tldfyi.com/api/v1/rest/tlds/"
```

[API Docs](https://tldfyi.com/developers/) · [OpenAPI Spec](https://tldfyi.com/api/v1/rest/schema/)

## Developer Tools
- **PyPI**: `pip install tldfyi` — [tldfyi](https://pypi.org/project/tldfyi/) — TLD registry and domain extensions API client

## Network FYI Family

Part of [FYIPedia](https://fyipedia.com) developer tools ecosystem.
- [CableFYI](https://cablefyi.com) — Submarine cables, connectors, standards
- [IPFYI](https://ipfyi.com) — IP geolocation, ASN lookup, CIDR ranges
- [StatusCodeFYI](https://statuscodefyi.com) — HTTP status codes, protocol references

## Full Index
- [Full content index](https://tldfyi.com/llms-full.txt)
- [XML Sitemap](https://tldfyi.com/sitemap.xml)