Suggest BE postalCode

Suggest a Belgium address field.
Note: This is the documentation for the v2 API which is still in beta.
This application gives the following result:
200: Postal code suggestion(s) available
[
  {
    "lat": 50.85644,
    "lng": 4.32586,
    "municipality": "Sint-Jans-Molenbeek",
    "municipalityTranslations": [
      {
        "lang": "nl",
        "name": "Sint-Jans-Molenbeek"
      },
      {
        "lang": "fr",
        "name": "Molenbeek-Saint-Jean"
      },
      {
        "lang": "de",
        "name": "Molenbeek-Saint-Jean"
      }
    ],
    "postalCode": "1080",
    "province": "Brussel",
    "provinceTranslations": [
      {
        "lang": "nl",
        "name": "Brussel"
      },
      {
        "lang": "fr",
        "name": "Bruxelles"
      },
      {
        "lang": "de",
        "name": "Brüssel"
      }
    ],
    "region": "Brussel",
    "regionTranslations": [
      {
        "lang": "nl",
        "name": "Brussel"
      },
      {
        "lang": "fr",
        "name": "Bruxelles"
      },
      {
        "lang": "de",
        "name": "Brüssel"
      }
    ],
    "settlements": [
      "Sint-Jans-Molenbeek"
    ],
    "settlementsTranslations": [
      [
        {
          "lang": "nl",
          "name": "Sint-Jans-Molenbeek"
        },
        {
          "lang": "fr",
          "name": "Molenbeek-Saint-Jean"
        },
        {
          "lang": "de",
          "name": "Molenbeek-Saint-Jean"
        }
      ]
    ]
  },
  {
    "lat": 50.86239,
    "lng": 4.32583,
    "municipality": "Koekelberg",
    "municipalityTranslations": [
      {
        "lang": "nl",
        "name": "Koekelberg"
      },
      {
        "lang": "fr",
        "name": "Koekelberg"
      },
      {
        "lang": "de",
        "name": "Koekelberg"
      }
    ],
    "postalCode": "1081",
    "province": "Brussel",
    "provinceTranslations": [
      {
        "lang": "nl",
        "name": "Brussel"
      },
      {
        "lang": "fr",
        "name": "Bruxelles"
      },
      {
        "lang": "de",
        "name": "Brüssel"
      }
    ],
    "region": "Brussel",
    "regionTranslations": [
      {
        "lang": "nl",
        "name": "Brussel"
      },
      {
        "lang": "fr",
        "name": "Bruxelles"
      },
      {
        "lang": "de",
        "name": "Brüssel"
      }
    ],
    "settlements": [
      "Koekelberg"
    ],
    "settlementsTranslations": [
      [
        {
          "lang": "nl",
          "name": "Koekelberg"
        },
        {
          "lang": "fr",
          "name": "Koekelberg"
        },
        {
          "lang": "de",
          "name": "Koekelberg"
        }
      ]
    ]
  },
  {
    "lat": 50.86456,
    "lng": 4.29399,
    "municipality": "Sint-Agatha-Berchem",
    "municipalityTranslations": [
      {
        "lang": "nl",
        "name": "Sint-Agatha-Berchem"
      },
      {
        "lang": "fr",
        "name": "Berchem-Sainte-Agathe"
      },
      {
        "lang": "de",
        "name": "Berchem-Sainte-Agathe"
      }
    ],
    "postalCode": "1082",
    "province": "Brussel",
    "provinceTranslations": [
      {
        "lang": "nl",
        "name": "Brussel"
      },
      {
        "lang": "fr",
        "name": "Bruxelles"
      },
      {
        "lang": "de",
        "name": "Brüssel"
      }
    ],
    "region": "Brussel",
    "regionTranslations": [
      {
        "lang": "nl",
        "name": "Brussel"
      },
      {
        "lang": "fr",
        "name": "Bruxelles"
      },
      {
        "lang": "de",
        "name": "Brüssel"
      }
    ],
    "settlements": [
      "Sint-Agatha-Berchem"
    ],
    "settlementsTranslations": [
      [
        {
          "lang": "nl",
          "name": "Sint-Agatha-Berchem"
        },
        {
          "lang": "fr",
          "name": "Berchem-Sainte-Agathe"
        },
        {
          "lang": "de",
          "name": "Berchem-Sainte-Agathe"
        }
      ]
    ]
  },
  {
    "lat": 50.87289,
    "lng": 4.31366,
    "municipality": "Ganshoren",
    "municipalityTranslations": [
      {
        "lang": "nl",
        "name": "Ganshoren"
      },
      {
        "lang": "fr",
        "name": "Ganshoren"
      },
      {
        "lang": "de",
        "name": "Ganshoren"
      }
    ],
    "postalCode": "1083",
    "province": "Brussel",
    "provinceTranslations": [
      {
        "lang": "nl",
        "name": "Brussel"
      },
      {
        "lang": "fr",
        "name": "Bruxelles"
      },
      {
        "lang": "de",
        "name": "Brüssel"
      }
    ],
    "region": "Brussel",
    "regionTranslations": [
      {
        "lang": "nl",
        "name": "Brussel"
      },
      {
        "lang": "fr",
        "name": "Bruxelles"
      },
      {
        "lang": "de",
        "name": "Brüssel"
      }
    ],
    "settlements": [
      "Ganshoren"
    ],
    "settlementsTranslations": [
      [
        {
          "lang": "nl",
          "name": "Ganshoren"
        },
        {
          "lang": "fr",
          "name": "Ganshoren"
        },
        {
          "lang": "de",
          "name": "Ganshoren"
        }
      ]
    ]
  }
]