//POST https://api.base39.io/v1/settings
{
  "validations": {
    "pix": {
      "credentials": {
        "url": "https://api-auth.sandbox.qitech.app",
        "apiKey": "abcdef12345",
        "privateKey": "$private",
        "publicKey": "$public",
        "ccbPrefix": "AAA"
      },
      "type": "qitech"
    }
  }
}