curl --request POST \
  --url https://api.iotools.cloud/v1/tool/json-flattener \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "input": "{\"user\":{\"name\":\"Ada\",\"roles\":[\"admin\",\"dev\"]},\"active\":true}",
  "mode": "flatten",
  "delimiter": "."
}
'

{
  "tool": "json-flattener",
  "tool_version": "1.0.1",
  "outputs": {
    "output": "{\n  \"user.name\": \"Ada\",\n  \"user.roles[0]\": \"admin\",\n  \"user.roles[1]\": \"dev\",\n  \"active\": true\n}"
  },
  "credits_used": 3,
  "credits_remaining": null
}