curl --request POST \
  --url https://api.livechatinc.com/v3.7/configuration/action/update_greeting \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "id": 123,
  "active": false,
  "name": "Updated welcome greeting",
  "rules": [
    {
      "condition": "and",
      "type": "url_current",
      "operator": "contains",
      "value": "product"
    }
  ],
  "properties": {
    "addon": "chat_widget",
    "is_exit_intent": "true"
  },
  "rich_message": {
    "template_id": "text",
    "elements": [
      {
        "title": "Updated greeting message!",
        "subtitle": "Can we help you find a product?"
      }
    ]
  }
}
'

import requests

url = "https://api.livechatinc.com/v3.7/configuration/action/update_greeting"

payload = {
    "id": 123,
    "active": False,
    "name": "Updated welcome greeting",
    "rules": [
        {
            "condition": "and",
            "type": "url_current",
            "operator": "contains",
            "value": "product"
        }
    ],
    "properties": {
        "addon": "chat_widget",
        "is_exit_intent": "true"
    },
    "rich_message": {
        "template_id": "text",
        "elements": [
            {
                "title": "Updated greeting message!",
                "subtitle": "Can we help you find a product?"
            }
        ]
    }
}
headers = {
    "Authorization": "Basic <encoded-value>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Basic <encoded-value>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    id: 123,
    active: false,
    name: 'Updated welcome greeting',
    rules: [
      {condition: 'and', type: 'url_current', operator: 'contains', value: 'product'}
    ],
    properties: {addon: 'chat_widget', is_exit_intent: 'true'},
    rich_message: {
      template_id: 'text',
      elements: [
        {
          title: 'Updated greeting message!',
          subtitle: 'Can we help you find a product?'
        }
      ]
    }
  })
};

fetch('https://api.livechatinc.com/v3.7/configuration/action/update_greeting', 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://api.livechatinc.com/v3.7/configuration/action/update_greeting",
  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([
    'id' => 123,
    'active' => false,
    'name' => 'Updated welcome greeting',
    'rules' => [
        [
                'condition' => 'and',
                'type' => 'url_current',
                'operator' => 'contains',
                'value' => 'product'
        ]
    ],
    'properties' => [
        'addon' => 'chat_widget',
        'is_exit_intent' => 'true'
    ],
    'rich_message' => [
        'template_id' => 'text',
        'elements' => [
                [
                                'title' => 'Updated greeting message!',
                                'subtitle' => 'Can we help you find a product?'
                ]
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Basic <encoded-value>",
    "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://api.livechatinc.com/v3.7/configuration/action/update_greeting"

	payload := strings.NewReader("{\n  \"id\": 123,\n  \"active\": false,\n  \"name\": \"Updated welcome greeting\",\n  \"rules\": [\n    {\n      \"condition\": \"and\",\n      \"type\": \"url_current\",\n      \"operator\": \"contains\",\n      \"value\": \"product\"\n    }\n  ],\n  \"properties\": {\n    \"addon\": \"chat_widget\",\n    \"is_exit_intent\": \"true\"\n  },\n  \"rich_message\": {\n    \"template_id\": \"text\",\n    \"elements\": [\n      {\n        \"title\": \"Updated greeting message!\",\n        \"subtitle\": \"Can we help you find a product?\"\n      }\n    ]\n  }\n}")

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

	req.Header.Add("Authorization", "Basic <encoded-value>")
	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://api.livechatinc.com/v3.7/configuration/action/update_greeting")
  .header("Authorization", "Basic <encoded-value>")
  .header("Content-Type", "application/json")
  .body("{\n  \"id\": 123,\n  \"active\": false,\n  \"name\": \"Updated welcome greeting\",\n  \"rules\": [\n    {\n      \"condition\": \"and\",\n      \"type\": \"url_current\",\n      \"operator\": \"contains\",\n      \"value\": \"product\"\n    }\n  ],\n  \"properties\": {\n    \"addon\": \"chat_widget\",\n    \"is_exit_intent\": \"true\"\n  },\n  \"rich_message\": {\n    \"template_id\": \"text\",\n    \"elements\": [\n      {\n        \"title\": \"Updated greeting message!\",\n        \"subtitle\": \"Can we help you find a product?\"\n      }\n    ]\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.livechatinc.com/v3.7/configuration/action/update_greeting")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Basic <encoded-value>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"id\": 123,\n  \"active\": false,\n  \"name\": \"Updated welcome greeting\",\n  \"rules\": [\n    {\n      \"condition\": \"and\",\n      \"type\": \"url_current\",\n      \"operator\": \"contains\",\n      \"value\": \"product\"\n    }\n  ],\n  \"properties\": {\n    \"addon\": \"chat_widget\",\n    \"is_exit_intent\": \"true\"\n  },\n  \"rich_message\": {\n    \"template_id\": \"text\",\n    \"elements\": [\n      {\n        \"title\": \"Updated greeting message!\",\n        \"subtitle\": \"Can we help you find a product?\"\n      }\n    ]\n  }\n}"

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