Text Encoding Cleanup
Repairs mojibake from double-decoded UTF-8, removes BOMs and zero-width characters, and normalises line endings, listing every fix applied.
POST /v1/text/encoding-cleanup $0.003 per call
Specification
- Endpoint
POST /v1/text/encoding-cleanup- Price
- $0.003 per call · tier
micro_data - Payment
-
x402 on X Layer (chain 196) · settled in USDG or USDT0 · schemes
exact,aggr_deferred - Data source
- Deterministic local computation on caller-supplied text
- Timeout
- 15 seconds
- Max request
- 1 MB
- Version
1.0.0
Calling it
The first call returns a 402 with the payment challenge. Retry with a
signed authorisation in the X-PAYMENT header — see
the payment guide for the exact shape.
curl -i -X POST "https://api.dana-edu.pp.ua/v1/text/encoding-cleanup" \
-H "content-type: application/json" \
-d '{ ... }' Response
Real output, captured by running this endpoint at build time — not written by hand. Volatile fields such as timestamps are elided. Captured 2026-07-30.
{
"text": "دانا test\n",
"changed": true,
"fixes_applied": [
{
"fix": "removed_zero_width",
"detail": "ZERO WIDTH SPACE",
"occurrences": 1
},
{
"fix": "removed_zero_width",
"detail": "ZERO WIDTH NO-BREAK SPACE (BOM)",
"occurrences": 1
},
{
"fix": "line_endings",
"detail": "CRLF/CR → LF",
"occurrences": 1
}
],
"original_length": 17,
"cleaned_length": 14,
"replacement_characters_present": 0
}
Every response is wrapped in the same envelope: data plus
warnings, sources, confidence,
informational_only and a measured processing_ms.
See the envelope reference.
Related endpoints
Unicode Normalization
Applies NFC, NFD, NFKC or NFKD normalisation and reports the codepoints that changed.
Kurdish Sorani Normalizer
Normalises Kurdish Sorani to standard orthography — Arabic yeh to Kurdish yeh, Arabic kaf to Kurdish kaf, correct heh/ae handling, Arabic-Indic to Latin numerals, tatweel and zero-width cleanup — reporting every substitution.
Arabic Normalizer
Normalises Arabic text — alef variants, teh marbuta, alef maqsura, diacritic removal, tatweel stripping and presentation-form folding.
Numeral System Converter
Converts between Latin, Arabic-Indic and Eastern Arabic-Indic digits in place, leaving surrounding text untouched.