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Unicode Normalizer & Script Analyzer
x402
Unicode Normalizer & Script Analyzer is a paid API for AI agents from api.24klabs.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-13).
Apply NFC/NFD/NFKC/NFKD Unicode normalization to a string and return per-codepoint metadata (name, category, script) while flagging mixed-script and potential homoglyph strings.
Price / call$0.001
Success—
StatusUnknown
How this service works
Apply NFC/NFD/NFKC/NFKD normalization and report per-codepoint name, category and script, flagging mixed-script (possible homoglyph) strings.
Output
Returns the normalized form of the input string under the chosen normalization form (NFC/NFD/NFKC/NFKD), a per-codepoint breakdown including Unicode name, general category, and script property, plus a boolean mixed-script flag and any homoglyph/confusable warnings for the overall string.
Example use cases
Homoglyph phishing URL detection
“Check this domain name for homoglyph tricks — normalize it to NFKC and tell me which codepoints are suspicious or from mixed scripts: 'аррlе.com'”
Username script policy enforcement
“I need to validate this new username 'МаrkSmith99' — apply NFKC normalization and flag if it mixes Cyrillic and Latin characters, and give me the script for each codepoint.”
Canonical text normalization for search index
“Normalize this user-submitted product title to NFC so I can store a canonical version in my search index: 'Ñoño café résumé' — and show me the per-codepoint breakdown.”
Technical details
Endpoint
POSThttps://api.24klabs.ai/api/unicode-normalizeWhen to prefer
Choose this endpoint when you need both normalization and security analysis in a single call — specifically when you want to detect mixed-script strings or homoglyph attacks alongside standard Unicode normalization. Prefer it over a simple client-side normalization library when you also need per-codepoint metadata (name, category, script) or when building a pipeline that flags potentially confusable identifiers like usernames, domain names, or passwords.
Side effects
- Invalid or unsupported normalization form enum value returns a 400 error
- Empty or null input string returns a validation error
- Extremely long strings may be rejected or truncated
- Non-UTF-8 encoded input may cause parse errors
- Rate limit or payment failure returns a 402/429 error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| form | string | |
| text | string |
Output
Schema · Response
{
"type": "json",
"example": {
"normalized": "file"
}
}Tags
x402
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