The JSON response is a dictionary whose keys are the numbers from 1 to n and where each element is itself a dictionary containing the following keys:
| Key | Value | In JSON response for all countries? | Format if in JSON response |
| Saisie | Text input (passed in parameter) used to search the street | Yes | STRING(255) |
| IDLocalite | Unique code for each city (Insee code for France) | Yes | STRING(20) |
| Pays | ISO country code | Yes | STRING(3) |
| CodePostal | City Postal Code | Yes | STRING(10) |
| Localite | Name of the city | Yes | STRING(50) |
| Roudis | Roudis code (France only) | No | NA |
| Instance | Number passed as a parameter during the call and returned in the response | Yes | STRING(3) |
| Cedex | Indicates whether it is a cedex or not (1 = CEDEX, 0 = not CEDEX) | No | STRING(1) |
| Latitude | Latitude code of the center of the locality | No | DECIMAL(8) |
| Longitude | Longitude code of the centre of the locality | No | DECIMAL(8) |
| IDVoie | Unique number to identify the street | Yes | STRING(20) |
| Voie | Street name | Yes | STRING(50) |
| Numero | Number in the street with the number complement (bis ter etc...) | Yes | STRING(10) |
| Num | Number in the street with the number complement (bis ter etc...) | No | STRING(10) |
| Nbnumero | Number of numbers in the street | No | STRING(4) |
| NbNumero | Number of numbers in the street | Yes | STRING(4) |
| ListeNumero | List of available numbers in the street (key available when the number entered is invalid or no number has been entered) | Yes | STRING(1024) |
| TypeVoie | Street type (street, avenue, etc.) | No | STRING(20) |
| CodeVoie | Unique number to identify the street | Yes | STRING(20) |
| Complement | Additional address information | No | STRING(150) |
| Complement2 | Additional address information 2 | No | STRING(50) |
| LieuDit | Dependent locality if applicable | Yes | STRING(50) |
| Entreprise | Company name | No | STRING(255) |
| label | Label to be presented for auto-completion. The number is enclosed in square brackets if it is invalid for this route. A pipe character (|) separates the route from the postcode/city pair, to simplify label formatting. | No | STRING(255) |
| Province | Region where the city is located. The type depends on the country in which the search is performed. | No | STRING(50) |
| Region1 | Region | No | STRING(50) |
| Region2 | County | No | STRING(50) |
| Region3 | County | No | STRING(50) |
| Suburb | Suburb | No | STRING(50) |
| valid_num |
1 : The number exists in the street 0 : The number does not exist in the street |
No | INTEGER(1) |