Developer Center
Free Unicode API and developer resources. No authentication required.
Base URL
https://unicodefyi.com
Usage Notes
- ✓ Free to use — no API key or authentication required
- ✓ CORS enabled — call directly from the browser
- ✓ JSON and Markdown response formats
- ✓ Rate limiting applies — please be respectful
API Endpoints
GET
/api/search/
Universal search across characters, glossary terms, guides, collections, and series chapters. Returns up to 15 results.
Parameters
| 名称 | Type | Description |
|---|---|---|
| q | string | Search query (min 2 characters) |
Example
curl https://unicodefyi.com/api/search/?q=arrow
Example response
{
"results": [
{
"title": "RIGHTWARDS ARROW",
"subtitle": "U+2192 — Arrows",
"url": "/char/U+2192/",
"icon": "\u2192",
"type": "Character"
},
{
"title": "Arrow Symbols",
"subtitle": "Collections",
"url": "/collection/arrows/",
"icon": "\ud83d\udce6",
"type": "Collection"
}
]
}
GET
/char/U+{hex}.md
Get character information in plain Markdown. Includes name, codepoint, category, block, script, and encoding table.
Parameters
| 名称 | Type | Description |
|---|---|---|
| hex | string | Hex codepoint without U+ prefix (e.g., 2713, 1F600) |
Example
curl https://unicodefyi.com/char/U+2713.md
GET
/glossary/{slug}.md
Get glossary term definition in plain Markdown. Includes category, definition, enriched content, and related terms.
Parameters
| 名称 | Type | Description |
|---|---|---|
| slug | string | Term slug (e.g., utf-8, codepoint, bom) |
Example
curl https://unicodefyi.com/glossary/utf-8.md
Developer Resources
📄
OpenAPI Spec
/api/openapi.json
📡
RSS Feed
/feed/rss/
📡
Atom Feed
/feed/atom/
🗺
Sitemap
/sitemap.xml
🤖
llms.txt
AI-friendly site summary
🤖
llms-full.txt
Full site content for AI crawlers
🤖
robots.txt
Crawler access rules
🔒
security.txt
Security contact (RFC 9116)
Content Overview
| Content Type | Count | Endpoint |
|---|---|---|
| 字符 | ~154,998 | /char/U+{hex}/ |
| 合集 | 88 | /collection/{slug}/ |
| Unicode 区块 | 118 | /block/{slug}/ |
| 文字 | 52 | /script/{slug}/ |
| 指南 | 150 | /guide/{slug}/ |
| Glossary Terms | 123 | /glossary/{slug}/ |
| Signature Series | 5 series, 44 chapters | /series/{slug}/{chapter}/ |
| 对比 | 30 | /compare/{slug}/ |
| 工具 | 4 | /tool/{slug}/ |