APIs › Kurdish, Arabic & Text Utilities › Unicode Normalization

Unicode Normalization

Applies NFC, NFD, NFKC or NFKD normalisation and reports the codepoints that changed.

POST /v1/text/unicode-normalize $0.003 per call

Specification

Endpoint

POST /v1/text/unicode-normalize

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/unicode-normalize" \
  -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": "file café .",
  "form": "NFKC",
  "changed": true,
  "already_normalised": false,
  "codepoints_before": 10,
  "codepoints_after": 11,
  "changes": [
    {
      "from": "fi",
      "from_codepoint": "U+FB01",
      "from_name": "LATIN SMALL LIGATURE FI",
      "to": "fi",
      "occurrences": 1
    },
    {
      "from": "．",
      "from_codepoint": "U+FF0E",
      "from_name": "FULLWIDTH FULL STOP",
      "to": ".",
      "occurrences": 1
    }
  ]
}

Every response is wrapped in the same envelope: data plus warnings, sources, confidence, informational_only and a measured processing_ms. See the envelope reference.

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