/v1/flatten
Flatten nested JSON to dot-notation
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/flatten-api/v1/flatten" \ -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/flatten-api/v1/flatten", {
headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/flatten-api/v1/flatten");
curl_setopt($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/flatten-api/v1/flatten",
headers={"x-oanor-key": "oanor_test_..."}
)
Example response
A real response from this endpoint, captured by the latest health check.
{
"data": {
"keys": 2,
"flattened": {
"a.b.c": 1,
"list.0.x": 1
}
},
"meta": {
"timestamp": "2026-06-02T16:51:53.757Z",
"request_id": "f15803e1-f8eb-46ed-b9ae-7a05bbbbe8fb"
},
"status": "ok",
"message": "Flatten nested JSON",
"success": true
}