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GET /v1/words

Inline word diff

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10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.

Custom headers (optional)
api.oanor.com/textdiff-api

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Code snippets

curl "https://api.oanor.com/textdiff-api/v1/words" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/textdiff-api/v1/words", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/textdiff-api/v1/words");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);
import requests
requests.get(
    "https://api.oanor.com/textdiff-api/v1/words",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "stats": {
            "words_added": 1,
            "words_removed": 1
        },
        "segments": [
            {
                "op": "equal",
                "value": "the "
            },
            {
                "op": "delete",
                "value": "quick"
            },
            {
                "op": "insert",
                "value": "slow"
            },
            {
                "op": "equal",
                "value": " brown fox"
            }
        ],
        "identical": false
    },
    "meta": {
        "timestamp": "2026-05-30T18:17:09.831Z",
        "request_id": "2ffe312f-c2c6-4592-a674-25e706640eca"
    },
    "status": "ok",
    "message": "OK",
    "success": true
}