Contazen API Documentation

Create an invoice

curl --request POST \
  --url https://api.contazen.ro/v1/invoices \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "client_id": "<string>",
  "items": [
    {
      "description": "<string>",
      "quantity": 1.01,
      "price": 123,
      "product_czuid": "<string>",
      "description_extended": "<string>",
      "vat_rate": 19,
      "vat_key": 123,
      "unit": "buc",
      "ubl_um": "<string>",
      "ubl_nc": "<string>",
      "ubl_cpv": "<string>",
      "save_as_product": false
    }
  ],
  "client_data": {
    "name": "<string>",
    "email": "jsmith@example.com",
    "phone": "<string>",
    "cui": "<string>",
    "rc": "<string>",
    "address": "<string>",
    "city": "<string>",
    "county": "<string>",
    "country": "RO",
    "postal_code": "<string>",
    "iban": "<string>",
    "bank": "<string>",
    "contact_person": "<string>"
  },
  "series_id": "<string>",
  "reservation_token": "<string>",
  "force_chronology": true,
  "date": "2023-12-25",
  "due_date": "2023-12-25",
  "currency": "RON",
  "currency_rate": 123,
  "document_type": "fiscal",
  "is_draft": 0,
  "efactura_enabled": 1,
  "with_vat_inverted": 0,
  "payment_method": "<string>",
  "payment_type": "<string>",
  "payment_installments": 123,
  "send_email": false,
  "email_address": "jsmith@example.com",
  "delegate": {
    "delegate_name": "<string>",
    "delegate_ci": "<string>",
    "delegate_transport": "<string>",
    "delegate_date": "2023-12-25",
    "delegate_time": "<string>"
  },
  "info": "<string>",
  "observations": "<string>",
  "notes": "<string>"
}
'

import requests

url = "https://api.contazen.ro/v1/invoices"

payload = {
    "client_id": "<string>",
    "items": [
        {
            "description": "<string>",
            "quantity": 1.01,
            "price": 123,
            "product_czuid": "<string>",
            "description_extended": "<string>",
            "vat_rate": 19,
            "vat_key": 123,
            "unit": "buc",
            "ubl_um": "<string>",
            "ubl_nc": "<string>",
            "ubl_cpv": "<string>",
            "save_as_product": False
        }
    ],
    "client_data": {
        "name": "<string>",
        "email": "jsmith@example.com",
        "phone": "<string>",
        "cui": "<string>",
        "rc": "<string>",
        "address": "<string>",
        "city": "<string>",
        "county": "<string>",
        "country": "RO",
        "postal_code": "<string>",
        "iban": "<string>",
        "bank": "<string>",
        "contact_person": "<string>"
    },
    "series_id": "<string>",
    "reservation_token": "<string>",
    "force_chronology": True,
    "date": "2023-12-25",
    "due_date": "2023-12-25",
    "currency": "RON",
    "currency_rate": 123,
    "document_type": "fiscal",
    "is_draft": 0,
    "efactura_enabled": 1,
    "with_vat_inverted": 0,
    "payment_method": "<string>",
    "payment_type": "<string>",
    "payment_installments": 123,
    "send_email": False,
    "email_address": "jsmith@example.com",
    "delegate": {
        "delegate_name": "<string>",
        "delegate_ci": "<string>",
        "delegate_transport": "<string>",
        "delegate_date": "2023-12-25",
        "delegate_time": "<string>"
    },
    "info": "<string>",
    "observations": "<string>",
    "notes": "<string>"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    client_id: '<string>',
    items: [
      {
        description: '<string>',
        quantity: 1.01,
        price: 123,
        product_czuid: '<string>',
        description_extended: '<string>',
        vat_rate: 19,
        vat_key: 123,
        unit: 'buc',
        ubl_um: '<string>',
        ubl_nc: '<string>',
        ubl_cpv: '<string>',
        save_as_product: false
      }
    ],
    client_data: {
      name: '<string>',
      email: 'jsmith@example.com',
      phone: '<string>',
      cui: '<string>',
      rc: '<string>',
      address: '<string>',
      city: '<string>',
      county: '<string>',
      country: 'RO',
      postal_code: '<string>',
      iban: '<string>',
      bank: '<string>',
      contact_person: '<string>'
    },
    series_id: '<string>',
    reservation_token: '<string>',
    force_chronology: true,
    date: '2023-12-25',
    due_date: '2023-12-25',
    currency: 'RON',
    currency_rate: 123,
    document_type: 'fiscal',
    is_draft: 0,
    efactura_enabled: 1,
    with_vat_inverted: 0,
    payment_method: '<string>',
    payment_type: '<string>',
    payment_installments: 123,
    send_email: false,
    email_address: 'jsmith@example.com',
    delegate: {
      delegate_name: '<string>',
      delegate_ci: '<string>',
      delegate_transport: '<string>',
      delegate_date: '2023-12-25',
      delegate_time: '<string>'
    },
    info: '<string>',
    observations: '<string>',
    notes: '<string>'
  })
};

fetch('https://api.contazen.ro/v1/invoices', 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/invoices",
  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([
    'client_id' => '<string>',
    'items' => [
        [
                'description' => '<string>',
                'quantity' => 1.01,
                'price' => 123,
                'product_czuid' => '<string>',
                'description_extended' => '<string>',
                'vat_rate' => 19,
                'vat_key' => 123,
                'unit' => 'buc',
                'ubl_um' => '<string>',
                'ubl_nc' => '<string>',
                'ubl_cpv' => '<string>',
                'save_as_product' => false
        ]
    ],
    'client_data' => [
        'name' => '<string>',
        'email' => 'jsmith@example.com',
        'phone' => '<string>',
        'cui' => '<string>',
        'rc' => '<string>',
        'address' => '<string>',
        'city' => '<string>',
        'county' => '<string>',
        'country' => 'RO',
        'postal_code' => '<string>',
        'iban' => '<string>',
        'bank' => '<string>',
        'contact_person' => '<string>'
    ],
    'series_id' => '<string>',
    'reservation_token' => '<string>',
    'force_chronology' => true,
    'date' => '2023-12-25',
    'due_date' => '2023-12-25',
    'currency' => 'RON',
    'currency_rate' => 123,
    'document_type' => 'fiscal',
    'is_draft' => 0,
    'efactura_enabled' => 1,
    'with_vat_inverted' => 0,
    'payment_method' => '<string>',
    'payment_type' => '<string>',
    'payment_installments' => 123,
    'send_email' => false,
    'email_address' => 'jsmith@example.com',
    'delegate' => [
        'delegate_name' => '<string>',
        'delegate_ci' => '<string>',
        'delegate_transport' => '<string>',
        'delegate_date' => '2023-12-25',
        'delegate_time' => '<string>'
    ],
    'info' => '<string>',
    'observations' => '<string>',
    'notes' => '<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/invoices"

	payload := strings.NewReader("{\n  \"client_id\": \"<string>\",\n  \"items\": [\n    {\n      \"description\": \"<string>\",\n      \"quantity\": 1.01,\n      \"price\": 123,\n      \"product_czuid\": \"<string>\",\n      \"description_extended\": \"<string>\",\n      \"vat_rate\": 19,\n      \"vat_key\": 123,\n      \"unit\": \"buc\",\n      \"ubl_um\": \"<string>\",\n      \"ubl_nc\": \"<string>\",\n      \"ubl_cpv\": \"<string>\",\n      \"save_as_product\": false\n    }\n  ],\n  \"client_data\": {\n    \"name\": \"<string>\",\n    \"email\": \"jsmith@example.com\",\n    \"phone\": \"<string>\",\n    \"cui\": \"<string>\",\n    \"rc\": \"<string>\",\n    \"address\": \"<string>\",\n    \"city\": \"<string>\",\n    \"county\": \"<string>\",\n    \"country\": \"RO\",\n    \"postal_code\": \"<string>\",\n    \"iban\": \"<string>\",\n    \"bank\": \"<string>\",\n    \"contact_person\": \"<string>\"\n  },\n  \"series_id\": \"<string>\",\n  \"reservation_token\": \"<string>\",\n  \"force_chronology\": true,\n  \"date\": \"2023-12-25\",\n  \"due_date\": \"2023-12-25\",\n  \"currency\": \"RON\",\n  \"currency_rate\": 123,\n  \"document_type\": \"fiscal\",\n  \"is_draft\": 0,\n  \"efactura_enabled\": 1,\n  \"with_vat_inverted\": 0,\n  \"payment_method\": \"<string>\",\n  \"payment_type\": \"<string>\",\n  \"payment_installments\": 123,\n  \"send_email\": false,\n  \"email_address\": \"jsmith@example.com\",\n  \"delegate\": {\n    \"delegate_name\": \"<string>\",\n    \"delegate_ci\": \"<string>\",\n    \"delegate_transport\": \"<string>\",\n    \"delegate_date\": \"2023-12-25\",\n    \"delegate_time\": \"<string>\"\n  },\n  \"info\": \"<string>\",\n  \"observations\": \"<string>\",\n  \"notes\": \"<string>\"\n}")

	req, _ := http.NewRequest("POST", 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.post("https://api.contazen.ro/v1/invoices")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"client_id\": \"<string>\",\n  \"items\": [\n    {\n      \"description\": \"<string>\",\n      \"quantity\": 1.01,\n      \"price\": 123,\n      \"product_czuid\": \"<string>\",\n      \"description_extended\": \"<string>\",\n      \"vat_rate\": 19,\n      \"vat_key\": 123,\n      \"unit\": \"buc\",\n      \"ubl_um\": \"<string>\",\n      \"ubl_nc\": \"<string>\",\n      \"ubl_cpv\": \"<string>\",\n      \"save_as_product\": false\n    }\n  ],\n  \"client_data\": {\n    \"name\": \"<string>\",\n    \"email\": \"jsmith@example.com\",\n    \"phone\": \"<string>\",\n    \"cui\": \"<string>\",\n    \"rc\": \"<string>\",\n    \"address\": \"<string>\",\n    \"city\": \"<string>\",\n    \"county\": \"<string>\",\n    \"country\": \"RO\",\n    \"postal_code\": \"<string>\",\n    \"iban\": \"<string>\",\n    \"bank\": \"<string>\",\n    \"contact_person\": \"<string>\"\n  },\n  \"series_id\": \"<string>\",\n  \"reservation_token\": \"<string>\",\n  \"force_chronology\": true,\n  \"date\": \"2023-12-25\",\n  \"due_date\": \"2023-12-25\",\n  \"currency\": \"RON\",\n  \"currency_rate\": 123,\n  \"document_type\": \"fiscal\",\n  \"is_draft\": 0,\n  \"efactura_enabled\": 1,\n  \"with_vat_inverted\": 0,\n  \"payment_method\": \"<string>\",\n  \"payment_type\": \"<string>\",\n  \"payment_installments\": 123,\n  \"send_email\": false,\n  \"email_address\": \"jsmith@example.com\",\n  \"delegate\": {\n    \"delegate_name\": \"<string>\",\n    \"delegate_ci\": \"<string>\",\n    \"delegate_transport\": \"<string>\",\n    \"delegate_date\": \"2023-12-25\",\n    \"delegate_time\": \"<string>\"\n  },\n  \"info\": \"<string>\",\n  \"observations\": \"<string>\",\n  \"notes\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.contazen.ro/v1/invoices")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"client_id\": \"<string>\",\n  \"items\": [\n    {\n      \"description\": \"<string>\",\n      \"quantity\": 1.01,\n      \"price\": 123,\n      \"product_czuid\": \"<string>\",\n      \"description_extended\": \"<string>\",\n      \"vat_rate\": 19,\n      \"vat_key\": 123,\n      \"unit\": \"buc\",\n      \"ubl_um\": \"<string>\",\n      \"ubl_nc\": \"<string>\",\n      \"ubl_cpv\": \"<string>\",\n      \"save_as_product\": false\n    }\n  ],\n  \"client_data\": {\n    \"name\": \"<string>\",\n    \"email\": \"jsmith@example.com\",\n    \"phone\": \"<string>\",\n    \"cui\": \"<string>\",\n    \"rc\": \"<string>\",\n    \"address\": \"<string>\",\n    \"city\": \"<string>\",\n    \"county\": \"<string>\",\n    \"country\": \"RO\",\n    \"postal_code\": \"<string>\",\n    \"iban\": \"<string>\",\n    \"bank\": \"<string>\",\n    \"contact_person\": \"<string>\"\n  },\n  \"series_id\": \"<string>\",\n  \"reservation_token\": \"<string>\",\n  \"force_chronology\": true,\n  \"date\": \"2023-12-25\",\n  \"due_date\": \"2023-12-25\",\n  \"currency\": \"RON\",\n  \"currency_rate\": 123,\n  \"document_type\": \"fiscal\",\n  \"is_draft\": 0,\n  \"efactura_enabled\": 1,\n  \"with_vat_inverted\": 0,\n  \"payment_method\": \"<string>\",\n  \"payment_type\": \"<string>\",\n  \"payment_installments\": 123,\n  \"send_email\": false,\n  \"email_address\": \"jsmith@example.com\",\n  \"delegate\": {\n    \"delegate_name\": \"<string>\",\n    \"delegate_ci\": \"<string>\",\n    \"delegate_transport\": \"<string>\",\n    \"delegate_date\": \"2023-12-25\",\n    \"delegate_time\": \"<string>\"\n  },\n  \"info\": \"<string>\",\n  \"observations\": \"<string>\",\n  \"notes\": \"<string>\"\n}"

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

{
  "success": true,
  "data": {
    "id": "inv_1a2b3c4d5e",
    "object": "invoice",
    "number": "<string>",
    "series": "<string>",
    "date": "2023-12-25",
    "total": 123,
    "full_number": "<string>",
    "due_date": "2023-12-25",
    "client_id": "<string>",
    "client": {
      "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
          }
        ]
      }
    },
    "currency": "RON",
    "exchange_rate": 123,
    "subtotal": 123,
    "vat_amount": 123,
    "subtotal_ron": 123,
    "vat_amount_ron": 123,
    "total_ron": 123,
    "items": [
      {
        "description": "<string>",
        "quantity": 123,
        "price": 123,
        "id": 123,
        "product_id": "<string>",
        "description_extended": "<string>",
        "vat_rate": 19,
        "vat_key": 123,
        "unit": "buc",
        "ubl_um": "H87",
        "ubl_nc": "<string>",
        "ubl_cpv": "<string>",
        "subtotal": 123,
        "vat_amount": 123,
        "total": 123,
        "save_as_product": true
      }
    ],
    "payments": [
      {
        "id": "<string>",
        "object": "payment",
        "amount": 123,
        "currency": "<string>",
        "date": "2023-12-25",
        "type_description": "<string>",
        "reference": "<string>",
        "invoice": {
          "id": "<string>",
          "number": "<string>",
          "total": 123,
          "currency": "<string>"
        },
        "receipt": {
          "id": "<string>",
          "number": "<string>"
        },
        "client": {
          "id": "<string>",
          "name": "<string>"
        },
        "created_at": 123
      }
    ],
    "is_paid": true,
    "paid_at": "2023-12-25",
    "is_void": true,
    "voided_at": "2023-11-07T05:31:56Z",
    "void_reason": "<string>",
    "is_draft": true,
    "is_storno": true,
    "storno_for": "<string>",
    "payment_method": "<string>",
    "notes": "<string>",
    "observations": "<string>",
    "efactura_enabled": true,
    "efactura_submission_id": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "modified_at": "2023-11-07T05:31:56Z"
  },
  "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"
  }
}

POST

invoices

Create an invoice

curl --request POST \
  --url https://api.contazen.ro/v1/invoices \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "client_id": "<string>",
  "items": [
    {
      "description": "<string>",
      "quantity": 1.01,
      "price": 123,
      "product_czuid": "<string>",
      "description_extended": "<string>",
      "vat_rate": 19,
      "vat_key": 123,
      "unit": "buc",
      "ubl_um": "<string>",
      "ubl_nc": "<string>",
      "ubl_cpv": "<string>",
      "save_as_product": false
    }
  ],
  "client_data": {
    "name": "<string>",
    "email": "jsmith@example.com",
    "phone": "<string>",
    "cui": "<string>",
    "rc": "<string>",
    "address": "<string>",
    "city": "<string>",
    "county": "<string>",
    "country": "RO",
    "postal_code": "<string>",
    "iban": "<string>",
    "bank": "<string>",
    "contact_person": "<string>"
  },
  "series_id": "<string>",
  "reservation_token": "<string>",
  "force_chronology": true,
  "date": "2023-12-25",
  "due_date": "2023-12-25",
  "currency": "RON",
  "currency_rate": 123,
  "document_type": "fiscal",
  "is_draft": 0,
  "efactura_enabled": 1,
  "with_vat_inverted": 0,
  "payment_method": "<string>",
  "payment_type": "<string>",
  "payment_installments": 123,
  "send_email": false,
  "email_address": "jsmith@example.com",
  "delegate": {
    "delegate_name": "<string>",
    "delegate_ci": "<string>",
    "delegate_transport": "<string>",
    "delegate_date": "2023-12-25",
    "delegate_time": "<string>"
  },
  "info": "<string>",
  "observations": "<string>",
  "notes": "<string>"
}
'

import requests

url = "https://api.contazen.ro/v1/invoices"

payload = {
    "client_id": "<string>",
    "items": [
        {
            "description": "<string>",
            "quantity": 1.01,
            "price": 123,
            "product_czuid": "<string>",
            "description_extended": "<string>",
            "vat_rate": 19,
            "vat_key": 123,
            "unit": "buc",
            "ubl_um": "<string>",
            "ubl_nc": "<string>",
            "ubl_cpv": "<string>",
            "save_as_product": False
        }
    ],
    "client_data": {
        "name": "<string>",
        "email": "jsmith@example.com",
        "phone": "<string>",
        "cui": "<string>",
        "rc": "<string>",
        "address": "<string>",
        "city": "<string>",
        "county": "<string>",
        "country": "RO",
        "postal_code": "<string>",
        "iban": "<string>",
        "bank": "<string>",
        "contact_person": "<string>"
    },
    "series_id": "<string>",
    "reservation_token": "<string>",
    "force_chronology": True,
    "date": "2023-12-25",
    "due_date": "2023-12-25",
    "currency": "RON",
    "currency_rate": 123,
    "document_type": "fiscal",
    "is_draft": 0,
    "efactura_enabled": 1,
    "with_vat_inverted": 0,
    "payment_method": "<string>",
    "payment_type": "<string>",
    "payment_installments": 123,
    "send_email": False,
    "email_address": "jsmith@example.com",
    "delegate": {
        "delegate_name": "<string>",
        "delegate_ci": "<string>",
        "delegate_transport": "<string>",
        "delegate_date": "2023-12-25",
        "delegate_time": "<string>"
    },
    "info": "<string>",
    "observations": "<string>",
    "notes": "<string>"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    client_id: '<string>',
    items: [
      {
        description: '<string>',
        quantity: 1.01,
        price: 123,
        product_czuid: '<string>',
        description_extended: '<string>',
        vat_rate: 19,
        vat_key: 123,
        unit: 'buc',
        ubl_um: '<string>',
        ubl_nc: '<string>',
        ubl_cpv: '<string>',
        save_as_product: false
      }
    ],
    client_data: {
      name: '<string>',
      email: 'jsmith@example.com',
      phone: '<string>',
      cui: '<string>',
      rc: '<string>',
      address: '<string>',
      city: '<string>',
      county: '<string>',
      country: 'RO',
      postal_code: '<string>',
      iban: '<string>',
      bank: '<string>',
      contact_person: '<string>'
    },
    series_id: '<string>',
    reservation_token: '<string>',
    force_chronology: true,
    date: '2023-12-25',
    due_date: '2023-12-25',
    currency: 'RON',
    currency_rate: 123,
    document_type: 'fiscal',
    is_draft: 0,
    efactura_enabled: 1,
    with_vat_inverted: 0,
    payment_method: '<string>',
    payment_type: '<string>',
    payment_installments: 123,
    send_email: false,
    email_address: 'jsmith@example.com',
    delegate: {
      delegate_name: '<string>',
      delegate_ci: '<string>',
      delegate_transport: '<string>',
      delegate_date: '2023-12-25',
      delegate_time: '<string>'
    },
    info: '<string>',
    observations: '<string>',
    notes: '<string>'
  })
};

fetch('https://api.contazen.ro/v1/invoices', 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/invoices",
  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([
    'client_id' => '<string>',
    'items' => [
        [
                'description' => '<string>',
                'quantity' => 1.01,
                'price' => 123,
                'product_czuid' => '<string>',
                'description_extended' => '<string>',
                'vat_rate' => 19,
                'vat_key' => 123,
                'unit' => 'buc',
                'ubl_um' => '<string>',
                'ubl_nc' => '<string>',
                'ubl_cpv' => '<string>',
                'save_as_product' => false
        ]
    ],
    'client_data' => [
        'name' => '<string>',
        'email' => 'jsmith@example.com',
        'phone' => '<string>',
        'cui' => '<string>',
        'rc' => '<string>',
        'address' => '<string>',
        'city' => '<string>',
        'county' => '<string>',
        'country' => 'RO',
        'postal_code' => '<string>',
        'iban' => '<string>',
        'bank' => '<string>',
        'contact_person' => '<string>'
    ],
    'series_id' => '<string>',
    'reservation_token' => '<string>',
    'force_chronology' => true,
    'date' => '2023-12-25',
    'due_date' => '2023-12-25',
    'currency' => 'RON',
    'currency_rate' => 123,
    'document_type' => 'fiscal',
    'is_draft' => 0,
    'efactura_enabled' => 1,
    'with_vat_inverted' => 0,
    'payment_method' => '<string>',
    'payment_type' => '<string>',
    'payment_installments' => 123,
    'send_email' => false,
    'email_address' => 'jsmith@example.com',
    'delegate' => [
        'delegate_name' => '<string>',
        'delegate_ci' => '<string>',
        'delegate_transport' => '<string>',
        'delegate_date' => '2023-12-25',
        'delegate_time' => '<string>'
    ],
    'info' => '<string>',
    'observations' => '<string>',
    'notes' => '<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/invoices"

	payload := strings.NewReader("{\n  \"client_id\": \"<string>\",\n  \"items\": [\n    {\n      \"description\": \"<string>\",\n      \"quantity\": 1.01,\n      \"price\": 123,\n      \"product_czuid\": \"<string>\",\n      \"description_extended\": \"<string>\",\n      \"vat_rate\": 19,\n      \"vat_key\": 123,\n      \"unit\": \"buc\",\n      \"ubl_um\": \"<string>\",\n      \"ubl_nc\": \"<string>\",\n      \"ubl_cpv\": \"<string>\",\n      \"save_as_product\": false\n    }\n  ],\n  \"client_data\": {\n    \"name\": \"<string>\",\n    \"email\": \"jsmith@example.com\",\n    \"phone\": \"<string>\",\n    \"cui\": \"<string>\",\n    \"rc\": \"<string>\",\n    \"address\": \"<string>\",\n    \"city\": \"<string>\",\n    \"county\": \"<string>\",\n    \"country\": \"RO\",\n    \"postal_code\": \"<string>\",\n    \"iban\": \"<string>\",\n    \"bank\": \"<string>\",\n    \"contact_person\": \"<string>\"\n  },\n  \"series_id\": \"<string>\",\n  \"reservation_token\": \"<string>\",\n  \"force_chronology\": true,\n  \"date\": \"2023-12-25\",\n  \"due_date\": \"2023-12-25\",\n  \"currency\": \"RON\",\n  \"currency_rate\": 123,\n  \"document_type\": \"fiscal\",\n  \"is_draft\": 0,\n  \"efactura_enabled\": 1,\n  \"with_vat_inverted\": 0,\n  \"payment_method\": \"<string>\",\n  \"payment_type\": \"<string>\",\n  \"payment_installments\": 123,\n  \"send_email\": false,\n  \"email_address\": \"jsmith@example.com\",\n  \"delegate\": {\n    \"delegate_name\": \"<string>\",\n    \"delegate_ci\": \"<string>\",\n    \"delegate_transport\": \"<string>\",\n    \"delegate_date\": \"2023-12-25\",\n    \"delegate_time\": \"<string>\"\n  },\n  \"info\": \"<string>\",\n  \"observations\": \"<string>\",\n  \"notes\": \"<string>\"\n}")

	req, _ := http.NewRequest("POST", 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.post("https://api.contazen.ro/v1/invoices")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"client_id\": \"<string>\",\n  \"items\": [\n    {\n      \"description\": \"<string>\",\n      \"quantity\": 1.01,\n      \"price\": 123,\n      \"product_czuid\": \"<string>\",\n      \"description_extended\": \"<string>\",\n      \"vat_rate\": 19,\n      \"vat_key\": 123,\n      \"unit\": \"buc\",\n      \"ubl_um\": \"<string>\",\n      \"ubl_nc\": \"<string>\",\n      \"ubl_cpv\": \"<string>\",\n      \"save_as_product\": false\n    }\n  ],\n  \"client_data\": {\n    \"name\": \"<string>\",\n    \"email\": \"jsmith@example.com\",\n    \"phone\": \"<string>\",\n    \"cui\": \"<string>\",\n    \"rc\": \"<string>\",\n    \"address\": \"<string>\",\n    \"city\": \"<string>\",\n    \"county\": \"<string>\",\n    \"country\": \"RO\",\n    \"postal_code\": \"<string>\",\n    \"iban\": \"<string>\",\n    \"bank\": \"<string>\",\n    \"contact_person\": \"<string>\"\n  },\n  \"series_id\": \"<string>\",\n  \"reservation_token\": \"<string>\",\n  \"force_chronology\": true,\n  \"date\": \"2023-12-25\",\n  \"due_date\": \"2023-12-25\",\n  \"currency\": \"RON\",\n  \"currency_rate\": 123,\n  \"document_type\": \"fiscal\",\n  \"is_draft\": 0,\n  \"efactura_enabled\": 1,\n  \"with_vat_inverted\": 0,\n  \"payment_method\": \"<string>\",\n  \"payment_type\": \"<string>\",\n  \"payment_installments\": 123,\n  \"send_email\": false,\n  \"email_address\": \"jsmith@example.com\",\n  \"delegate\": {\n    \"delegate_name\": \"<string>\",\n    \"delegate_ci\": \"<string>\",\n    \"delegate_transport\": \"<string>\",\n    \"delegate_date\": \"2023-12-25\",\n    \"delegate_time\": \"<string>\"\n  },\n  \"info\": \"<string>\",\n  \"observations\": \"<string>\",\n  \"notes\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.contazen.ro/v1/invoices")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"client_id\": \"<string>\",\n  \"items\": [\n    {\n      \"description\": \"<string>\",\n      \"quantity\": 1.01,\n      \"price\": 123,\n      \"product_czuid\": \"<string>\",\n      \"description_extended\": \"<string>\",\n      \"vat_rate\": 19,\n      \"vat_key\": 123,\n      \"unit\": \"buc\",\n      \"ubl_um\": \"<string>\",\n      \"ubl_nc\": \"<string>\",\n      \"ubl_cpv\": \"<string>\",\n      \"save_as_product\": false\n    }\n  ],\n  \"client_data\": {\n    \"name\": \"<string>\",\n    \"email\": \"jsmith@example.com\",\n    \"phone\": \"<string>\",\n    \"cui\": \"<string>\",\n    \"rc\": \"<string>\",\n    \"address\": \"<string>\",\n    \"city\": \"<string>\",\n    \"county\": \"<string>\",\n    \"country\": \"RO\",\n    \"postal_code\": \"<string>\",\n    \"iban\": \"<string>\",\n    \"bank\": \"<string>\",\n    \"contact_person\": \"<string>\"\n  },\n  \"series_id\": \"<string>\",\n  \"reservation_token\": \"<string>\",\n  \"force_chronology\": true,\n  \"date\": \"2023-12-25\",\n  \"due_date\": \"2023-12-25\",\n  \"currency\": \"RON\",\n  \"currency_rate\": 123,\n  \"document_type\": \"fiscal\",\n  \"is_draft\": 0,\n  \"efactura_enabled\": 1,\n  \"with_vat_inverted\": 0,\n  \"payment_method\": \"<string>\",\n  \"payment_type\": \"<string>\",\n  \"payment_installments\": 123,\n  \"send_email\": false,\n  \"email_address\": \"jsmith@example.com\",\n  \"delegate\": {\n    \"delegate_name\": \"<string>\",\n    \"delegate_ci\": \"<string>\",\n    \"delegate_transport\": \"<string>\",\n    \"delegate_date\": \"2023-12-25\",\n    \"delegate_time\": \"<string>\"\n  },\n  \"info\": \"<string>\",\n  \"observations\": \"<string>\",\n  \"notes\": \"<string>\"\n}"

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

{
  "success": true,
  "data": {
    "id": "inv_1a2b3c4d5e",
    "object": "invoice",
    "number": "<string>",
    "series": "<string>",
    "date": "2023-12-25",
    "total": 123,
    "full_number": "<string>",
    "due_date": "2023-12-25",
    "client_id": "<string>",
    "client": {
      "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
          }
        ]
      }
    },
    "currency": "RON",
    "exchange_rate": 123,
    "subtotal": 123,
    "vat_amount": 123,
    "subtotal_ron": 123,
    "vat_amount_ron": 123,
    "total_ron": 123,
    "items": [
      {
        "description": "<string>",
        "quantity": 123,
        "price": 123,
        "id": 123,
        "product_id": "<string>",
        "description_extended": "<string>",
        "vat_rate": 19,
        "vat_key": 123,
        "unit": "buc",
        "ubl_um": "H87",
        "ubl_nc": "<string>",
        "ubl_cpv": "<string>",
        "subtotal": 123,
        "vat_amount": 123,
        "total": 123,
        "save_as_product": true
      }
    ],
    "payments": [
      {
        "id": "<string>",
        "object": "payment",
        "amount": 123,
        "currency": "<string>",
        "date": "2023-12-25",
        "type_description": "<string>",
        "reference": "<string>",
        "invoice": {
          "id": "<string>",
          "number": "<string>",
          "total": 123,
          "currency": "<string>"
        },
        "receipt": {
          "id": "<string>",
          "number": "<string>"
        },
        "client": {
          "id": "<string>",
          "name": "<string>"
        },
        "created_at": 123
      }
    ],
    "is_paid": true,
    "paid_at": "2023-12-25",
    "is_void": true,
    "voided_at": "2023-11-07T05:31:56Z",
    "void_reason": "<string>",
    "is_draft": true,
    "is_storno": true,
    "storno_for": "<string>",
    "payment_method": "<string>",
    "notes": "<string>",
    "observations": "<string>",
    "efactura_enabled": true,
    "efactura_submission_id": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "modified_at": "2023-11-07T05:31:56Z"
  },
  "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"
  }
}

Authorizations

Authorization

string

header

required

Use your API key (sk_live_xxx or sk_test_xxx)

Body

application/json

Option 1
Option 2

client_id

string

required

Existing client CzUid (required if client_data not provided)

items

object[]

required

Minimum array length: 1

Option 1
Option 2

Show child attributes

client_data

object

Inline client creation (required if client_id not provided)

Show child attributes

series_id

string

Invoice series CzUid

reservation_token

string

Offline-mode only. Token returned by POST /invoice-series/{id}/reserve-numbers. When supplied, the server uses the reservation's pre-allocated number instead of calling nextNumber(), and flips the reservation to consumed. Must match the same series_id and belong to the caller's device. See Offline Mode.

force_chronology

boolean

default:true

Set to false to bypass the chronology check when syncing an offline draft dated before the last invoice on the series.

date

string<date>

Invoice date (defaults to today)

due_date

string<date>

Payment due date

currency

string

default:RON

currency_rate

number

Exchange rate to RON (required for foreign currency)

document_type

enum<string>

default:fiscal

Available options:

fiscal,

proforma,

receipt

is_draft

enum<integer>

default:0

1 to save as draft without invoice number

Available options:

0,

1

efactura_enabled

enum<integer>

default:1

Whether to submit to e-Factura (Romanian e-invoicing)

Available options:

0,

1

spv_environment

enum<string>

e-Factura environment (test for SPV testing)

Available options:

test,

live

with_vat_inverted

enum<integer>

default:0

1 for reverse charge (taxare inversă)

Available options:

0,

1

payment_method

string

payment_type

string

payment_installments

integer

send_email

boolean

default:false

Automatically send invoice by email after creation

email_address

string<email>

Override recipient email (uses client email if not specified)

with_delegate

enum<integer>

Include delegate information

Available options:

0,

1

delegate

object

Show child attributes

info

string

Additional invoice information

observations

string

Internal notes

notes

string

Customer-visible notes

Response

Invoice created

success

boolean

data

object

Show child attributes

API Reference

Create Invoice

Authorizations

Body

Response