Skip to content
GET /v1/meta

Spec

Try it live

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

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

It works. Grab an API key and use it in your project.

Get an API key

Code snippets

curl "https://api.oanor.com/ndjson-api/v1/meta" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/ndjson-api/v1/meta", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/ndjson-api/v1/meta");
curl_setopt($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/ndjson-api/v1/meta",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

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

{
    "data": {
        "name": "NDJSON API",
        "notes": "Blank lines are ignored. to-array fails on the first invalid line; validate reports every line. Max 4 MB; send via POST.",
        "version": "v1",
        "endpoints": [
            {
                "path": "/v1/to-array",
                "params": {
                    "ndjson": "NDJSON text (required)"
                },
                "returns": "a JSON array of the parsed lines"
            },
            {
                "path": "/v1/to-ndjson",
                "params": {
                    "json": "a JSON array (required)"
                },
                "returns": "NDJSON text (one value per line)"
            },
            {
                "path": "/v1/validate",
                "params": {
                    "ndjson": "NDJSON text (required)"
                },
                "returns": "per-line validity with error messages"
            },
            {
                "path": "/v1/meta",
                "params": [],
                "returns": "this document"
            }
        ],
        "description": "Convert between NDJSON / JSON Lines (one JSON value per line) and a JSON array, in both directions, and validate an NDJSON stream line by line. NDJSON is the format used by logs, streaming APIs and LLM responses, jq, BigQuery and many data pipelines. Pure local, no key."
    },
    "meta": {
        "timestamp": "2026-06-03T01:09:44.176Z",
        "request_id": "5855095d-8978-4eab-bed2-2c3c2527a1da"
    },
    "status": "ok",
    "message": "Meta",
    "success": true
}