curl --request POST \
  --url https://seudominio.com/webhooks/on-condition \
  --header 'Content-Type: application/json' \
  --data '
{
  "country_code": "+57",
  "cellphone": "3161234567",
  "session_id": "abcsderfwer3252432423-1324325235",
  "conversation_id": 1234,
  "variable": {
    "name": "age",
    "value": "18"
  },
  "condition": {
    "operator": "EQ",
    "value": "18"
  },
  "user_session_keys": [
    {
      "key": "age",
      "value": "18",
      "type": null
    },
    {
      "key": "user_id",
      "value": "12345",
      "type": null
    }
  ]
}
'

import requests

url = "https://seudominio.com/webhooks/on-condition"

payload = {
    "country_code": "+57",
    "cellphone": "3161234567",
    "session_id": "abcsderfwer3252432423-1324325235",
    "conversation_id": 1234,
    "variable": {
        "name": "age",
        "value": "18"
    },
    "condition": {
        "operator": "EQ",
        "value": "18"
    },
    "user_session_keys": [
        {
            "key": "age",
            "value": "18",
            "type": None
        },
        {
            "key": "user_id",
            "value": "12345",
            "type": None
        }
    ]
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    country_code: '+57',
    cellphone: '3161234567',
    session_id: 'abcsderfwer3252432423-1324325235',
    conversation_id: 1234,
    variable: {name: 'age', value: '18'},
    condition: {operator: 'EQ', value: '18'},
    user_session_keys: [
      {key: 'age', value: '18', type: null},
      {key: 'user_id', value: '12345', type: null}
    ]
  })
};

fetch('https://seudominio.com/webhooks/on-condition', 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://seudominio.com/webhooks/on-condition",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'country_code' => '+57',
    'cellphone' => '3161234567',
    'session_id' => 'abcsderfwer3252432423-1324325235',
    'conversation_id' => 1234,
    'variable' => [
        'name' => 'age',
        'value' => '18'
    ],
    'condition' => [
        'operator' => 'EQ',
        'value' => '18'
    ],
    'user_session_keys' => [
        [
                'key' => 'age',
                'value' => '18',
                'type' => null
        ],
        [
                'key' => 'user_id',
                'value' => '12345',
                'type' => null
        ]
    ]
  ]),
  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://seudominio.com/webhooks/on-condition"

	payload := strings.NewReader("{\n  \"country_code\": \"+57\",\n  \"cellphone\": \"3161234567\",\n  \"session_id\": \"abcsderfwer3252432423-1324325235\",\n  \"conversation_id\": 1234,\n  \"variable\": {\n    \"name\": \"age\",\n    \"value\": \"18\"\n  },\n  \"condition\": {\n    \"operator\": \"EQ\",\n    \"value\": \"18\"\n  },\n  \"user_session_keys\": [\n    {\n      \"key\": \"age\",\n      \"value\": \"18\",\n      \"type\": null\n    },\n    {\n      \"key\": \"user_id\",\n      \"value\": \"12345\",\n      \"type\": null\n    }\n  ]\n}")

	req, _ := http.NewRequest("POST", 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.post("https://seudominio.com/webhooks/on-condition")
  .header("Content-Type", "application/json")
  .body("{\n  \"country_code\": \"+57\",\n  \"cellphone\": \"3161234567\",\n  \"session_id\": \"abcsderfwer3252432423-1324325235\",\n  \"conversation_id\": 1234,\n  \"variable\": {\n    \"name\": \"age\",\n    \"value\": \"18\"\n  },\n  \"condition\": {\n    \"operator\": \"EQ\",\n    \"value\": \"18\"\n  },\n  \"user_session_keys\": [\n    {\n      \"key\": \"age\",\n      \"value\": \"18\",\n      \"type\": null\n    },\n    {\n      \"key\": \"user_id\",\n      \"value\": \"12345\",\n      \"type\": null\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://seudominio.com/webhooks/on-condition")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"country_code\": \"+57\",\n  \"cellphone\": \"3161234567\",\n  \"session_id\": \"abcsderfwer3252432423-1324325235\",\n  \"conversation_id\": 1234,\n  \"variable\": {\n    \"name\": \"age\",\n    \"value\": \"18\"\n  },\n  \"condition\": {\n    \"operator\": \"EQ\",\n    \"value\": \"18\"\n  },\n  \"user_session_keys\": [\n    {\n      \"key\": \"age\",\n      \"value\": \"18\",\n      \"type\": null\n    },\n    {\n      \"key\": \"user_id\",\n      \"value\": \"12345\",\n      \"type\": null\n    }\n  ]\n}"

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

{}