Echo JSON

Unauthenticated echo probe with a flat response shape. Send any valid JSON and receive it back under echo, useful for verifying JSON serialization end to end. Invalid JSON returns a flat 400 { "ok": false, "error": "<string>" }.

POST /sandbox

Echo JSON

cURL

curl --request POST \
  --url https://aropay.aro.media/api/v1/sandbox \
  --header 'Content-Type: application/json' \
  --data '
{
  "hello": "aropay"
}
'

200

{
  "ok": true,
  "service": "aropay-sandbox",
  "version": "v1",
  "echo": {
    "hello": "aropay"
  },
  "timestamp": "2026-08-13T09:00:00.000Z"
}

Body

application/json

Any valid JSON value.

Response

200

application/json

Echoed payload.

ok · any · required

service · string · required

version · string · required

echo · any · required

The request body, returned verbatim.

timestamp · string<date-time> · required