curl --request GET \
  --url https://flatbay.fr/fr/api/search \
  --header 'Content-Type: application/json' \
  --data '
{
  "rentsellType": "property.rentsellType.rent",
  "page": 0,
  "etablissementId": 1,
  "search": "Rue de Rivoli",
  "distance": 10,
  "lat": 48.8257157,
  "lng": 2.2935099
}
'

import requests

url = "https://flatbay.fr/fr/api/search"

payload = {
    "rentsellType": "property.rentsellType.rent",
    "page": 0,
    "etablissementId": 1,
    "search": "Rue de Rivoli",
    "distance": 10,
    "lat": 48.8257157,
    "lng": 2.2935099
}
headers = {"Content-Type": "application/json"}

response = requests.get(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'GET',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    rentsellType: 'property.rentsellType.rent',
    page: 0,
    etablissementId: 1,
    search: 'Rue de Rivoli',
    distance: 10,
    lat: 48.8257157,
    lng: 2.2935099
  })
};

fetch('https://flatbay.fr/fr/api/search', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://flatbay.fr/fr/api/search",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_POSTFIELDS => json_encode([
    'rentsellType' => 'property.rentsellType.rent',
    'page' => 0,
    'etablissementId' => 1,
    'search' => 'Rue de Rivoli',
    'distance' => 10,
    'lat' => 48.8257157,
    'lng' => 2.2935099
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://flatbay.fr/fr/api/search"

	payload := strings.NewReader("{\n  \"rentsellType\": \"property.rentsellType.rent\",\n  \"page\": 0,\n  \"etablissementId\": 1,\n  \"search\": \"Rue de Rivoli\",\n  \"distance\": 10,\n  \"lat\": 48.8257157,\n  \"lng\": 2.2935099\n}")

	req, _ := http.NewRequest("GET", url, payload)

	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://flatbay.fr/fr/api/search")
  .header("Content-Type", "application/json")
  .body("{\n  \"rentsellType\": \"property.rentsellType.rent\",\n  \"page\": 0,\n  \"etablissementId\": 1,\n  \"search\": \"Rue de Rivoli\",\n  \"distance\": 10,\n  \"lat\": 48.8257157,\n  \"lng\": 2.2935099\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://flatbay.fr/fr/api/search")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"rentsellType\": \"property.rentsellType.rent\",\n  \"page\": 0,\n  \"etablissementId\": 1,\n  \"search\": \"Rue de Rivoli\",\n  \"distance\": 10,\n  \"lat\": 48.8257157,\n  \"lng\": 2.2935099\n}"

response = http.request(request)
puts response.read_body

{
  "page": 123,
  "nbbypage": 123,
  "nb": 123,
  "properties": [
    {
      "id": 123,
      "name": "<string>",
      "cp": "<string>",
      "city": "<string>",
      "lat": 123,
      "surface": 123,
      "meuble": true,
      "lng": 123,
      "type": 123,
      "nbRoom": "<string>",
      "nbDouche": "<string>",
      "nbWc": "<string>",
      "loyer": "<string>",
      "charge": "<string>",
      "nbPiece": "<string>",
      "colocOnly": "<string>",
      "frais": "<string>",
      "rentsellType": "<string>",
      "prix": "<string>",
      "addresscache": "<string>",
      "diagnostic": "<string>",
      "status": "<string>",
      "favori": "<string>",
      "etablissementName": "<string>",
      "roomId": "<string>",
      "roomLoyer": "<string>",
      "roomCharge": "<string>",
      "distance": "<string>",
      "dpeGesLetter": "A"
    }
  ]
}

{
  "error": "<string>"
}

{
  "error": "<string>"
}