/v1/validate
Validate a grid
Try it live
10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.
It works. Grab an API key and use it in your project.
Get an API keyCode snippets
curl "https://api.oanor.com/sudoku-api/v1/validate" \ -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/sudoku-api/v1/validate", {
headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/sudoku-api/v1/validate");
curl_setopt($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/sudoku-api/v1/validate",
headers={"x-oanor-key": "oanor_test_..."}
)
Example response
A real response from this endpoint, captured by the latest health check.
{
"data": {
"valid": true,
"complete": false,
"conflicts": [],
"empty_cells": 51,
"filled_cells": 30
},
"meta": {
"timestamp": "2026-05-30T18:17:11.874Z",
"request_id": "28528651-bac7-4c9f-a3e0-d34000258b58"
},
"status": "ok",
"message": "OK",
"success": true
}