curl --request PUT \
  --url https://api.contazen.ro/v1/clients/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>",
  "email": "jsmith@example.com",
  "phone": "<string>",
  "cui": "<string>",
  "cui_prefix": "<string>",
  "rc": "<string>",
  "address": "<string>",
  "city": "<string>",
  "county": "<string>",
  "country": "<string>",
  "postal_code": "<string>",
  "iban": "<string>",
  "bank": "<string>",
  "contact_person": "<string>"
}
'

import requests

url = "https://api.contazen.ro/v1/clients/{id}"

payload = {
    "name": "<string>",
    "email": "jsmith@example.com",
    "phone": "<string>",
    "cui": "<string>",
    "cui_prefix": "<string>",
    "rc": "<string>",
    "address": "<string>",
    "city": "<string>",
    "county": "<string>",
    "country": "<string>",
    "postal_code": "<string>",
    "iban": "<string>",
    "bank": "<string>",
    "contact_person": "<string>"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    name: '<string>',
    email: 'jsmith@example.com',
    phone: '<string>',
    cui: '<string>',
    cui_prefix: '<string>',
    rc: '<string>',
    address: '<string>',
    city: '<string>',
    county: '<string>',
    country: '<string>',
    postal_code: '<string>',
    iban: '<string>',
    bank: '<string>',
    contact_person: '<string>'
  })
};

fetch('https://api.contazen.ro/v1/clients/{id}', 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.contazen.ro/v1/clients/{id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => json_encode([
    'name' => '<string>',
    'email' => 'jsmith@example.com',
    'phone' => '<string>',
    'cui' => '<string>',
    'cui_prefix' => '<string>',
    'rc' => '<string>',
    'address' => '<string>',
    'city' => '<string>',
    'county' => '<string>',
    'country' => '<string>',
    'postal_code' => '<string>',
    'iban' => '<string>',
    'bank' => '<string>',
    'contact_person' => '<string>'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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.contazen.ro/v1/clients/{id}"

	payload := strings.NewReader("{\n  \"name\": \"<string>\",\n  \"email\": \"jsmith@example.com\",\n  \"phone\": \"<string>\",\n  \"cui\": \"<string>\",\n  \"cui_prefix\": \"<string>\",\n  \"rc\": \"<string>\",\n  \"address\": \"<string>\",\n  \"city\": \"<string>\",\n  \"county\": \"<string>\",\n  \"country\": \"<string>\",\n  \"postal_code\": \"<string>\",\n  \"iban\": \"<string>\",\n  \"bank\": \"<string>\",\n  \"contact_person\": \"<string>\"\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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.put("https://api.contazen.ro/v1/clients/{id}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"<string>\",\n  \"email\": \"jsmith@example.com\",\n  \"phone\": \"<string>\",\n  \"cui\": \"<string>\",\n  \"cui_prefix\": \"<string>\",\n  \"rc\": \"<string>\",\n  \"address\": \"<string>\",\n  \"city\": \"<string>\",\n  \"county\": \"<string>\",\n  \"country\": \"<string>\",\n  \"postal_code\": \"<string>\",\n  \"iban\": \"<string>\",\n  \"bank\": \"<string>\",\n  \"contact_person\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.contazen.ro/v1/clients/{id}")

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

request = Net::HTTP::Put.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"name\": \"<string>\",\n  \"email\": \"jsmith@example.com\",\n  \"phone\": \"<string>\",\n  \"cui\": \"<string>\",\n  \"cui_prefix\": \"<string>\",\n  \"rc\": \"<string>\",\n  \"address\": \"<string>\",\n  \"city\": \"<string>\",\n  \"county\": \"<string>\",\n  \"country\": \"<string>\",\n  \"postal_code\": \"<string>\",\n  \"iban\": \"<string>\",\n  \"bank\": \"<string>\",\n  \"contact_person\": \"<string>\"\n}"

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

{
  "success": true,
  "data": {
    "id": "cli_1a2b3c4d5e",
    "object": "client",
    "name": "<string>",
    "email": "jsmith@example.com",
    "phone": "<string>",
    "cui": "<string>",
    "cui_prefix": "<string>",
    "rc": "<string>",
    "address": "<string>",
    "city": "<string>",
    "county": "<string>",
    "country": "<string>",
    "postal_code": "<string>",
    "iban": "<string>",
    "bank": "<string>",
    "contact_person": "<string>",
    "created_at": 123,
    "updated_at": 123,
    "metadata": {
      "invoices_count": 123,
      "total_invoiced": 123,
      "unpaid_total": 123
    },
    "stats": {
      "total_invoiced": 123,
      "total_collected": 123,
      "avg_payment_days": 123,
      "last_payment": {
        "date": 123,
        "amount": 123,
        "currency": "<string>",
        "bill_id": "<string>",
        "bill_number": "<string>"
      },
      "monthly_series": [
        {
          "label": "Mar 2026",
          "year": 123,
          "month": 123,
          "invoiced": 123,
          "collected": 123
        }
      ]
    }
  },
  "meta": {
    "version": "v1",
    "request_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "response_time": "23.45ms"
  }
}

{
  "success": false,
  "error": {
    "message": "<string>",
    "code": "<string>",
    "param": "<string>",
    "doc_url": "<string>"
  },
  "meta": {
    "version": "v1",
    "request_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "response_time": "23.45ms"
  }
}

{
  "success": false,
  "error": {
    "message": "<string>",
    "code": "<string>",
    "param": "<string>",
    "doc_url": "<string>"
  },
  "meta": {
    "version": "v1",
    "request_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "response_time": "23.45ms"
  }
}