curl --request POST \
  --url https://api.globalwebindex.com/v2/splitters/filter \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '{
  "splitters": [
    {
      "namespace_code": "<string>"
    }
  ]
}'

{
  "splitters": [
    {
      "accessible": true,
      "code": "<string>",
      "name": "<string>",
      "namespace_code": "<string>",
      "segments": [
        {
          "accessible": true,
          "code": "<string>",
          "name": "<string>"
        }
      ]
    }
  ]
}