curl --request POST \
  --url https://api.chift.eu/consumers/{consumer_id}/invoicing/contacts \
  --header 'Content-Type: application/json' \
  --data '
{
  "is_prospect": true,
  "is_customer": true,
  "is_supplier": true,
  "is_company": true,
  "company_name": "Example Company S.A.",
  "first_name": "John",
  "last_name": "Doe",
  "email": "john.doe@example.com",
  "phone": "+32 2 000 00 00",
  "mobile": "+32 4 000 00 00",
  "company_id": "<invoicing-company-id>",
  "vat": "BE0000000000",
  "company_number": "0000000000",
  "currency": "EUR",
  "language": "en",
  "comment": "Preferred contact: accounts payable team.",
  "customer_account_number": "<invoicing-account-number>",
  "supplier_account_number": "<invoicing-account-number>",
  "birthdate": "1990-01-01",
  "addresses": []
}
'

import requests

url = "https://api.chift.eu/consumers/{consumer_id}/invoicing/contacts"

payload = {
    "is_prospect": True,
    "is_customer": True,
    "is_supplier": True,
    "is_company": True,
    "company_name": "Example Company S.A.",
    "first_name": "John",
    "last_name": "Doe",
    "email": "john.doe@example.com",
    "phone": "+32 2 000 00 00",
    "mobile": "+32 4 000 00 00",
    "company_id": "<invoicing-company-id>",
    "vat": "BE0000000000",
    "company_number": "0000000000",
    "currency": "EUR",
    "language": "en",
    "comment": "Preferred contact: accounts payable team.",
    "customer_account_number": "<invoicing-account-number>",
    "supplier_account_number": "<invoicing-account-number>",
    "birthdate": "1990-01-01",
    "addresses": []
}
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({
    is_prospect: true,
    is_customer: true,
    is_supplier: true,
    is_company: true,
    company_name: 'Example Company S.A.',
    first_name: 'John',
    last_name: 'Doe',
    email: 'john.doe@example.com',
    phone: '+32 2 000 00 00',
    mobile: '+32 4 000 00 00',
    company_id: '<invoicing-company-id>',
    vat: 'BE0000000000',
    company_number: '0000000000',
    currency: 'EUR',
    language: 'en',
    comment: 'Preferred contact: accounts payable team.',
    customer_account_number: '<invoicing-account-number>',
    supplier_account_number: '<invoicing-account-number>',
    birthdate: '1990-01-01',
    addresses: []
  })
};

fetch('https://api.chift.eu/consumers/{consumer_id}/invoicing/contacts', 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.chift.eu/consumers/{consumer_id}/invoicing/contacts",
  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([
    'is_prospect' => true,
    'is_customer' => true,
    'is_supplier' => true,
    'is_company' => true,
    'company_name' => 'Example Company S.A.',
    'first_name' => 'John',
    'last_name' => 'Doe',
    'email' => 'john.doe@example.com',
    'phone' => '+32 2 000 00 00',
    'mobile' => '+32 4 000 00 00',
    'company_id' => '<invoicing-company-id>',
    'vat' => 'BE0000000000',
    'company_number' => '0000000000',
    'currency' => 'EUR',
    'language' => 'en',
    'comment' => 'Preferred contact: accounts payable team.',
    'customer_account_number' => '<invoicing-account-number>',
    'supplier_account_number' => '<invoicing-account-number>',
    'birthdate' => '1990-01-01',
    'addresses' => [
        
    ]
  ]),
  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://api.chift.eu/consumers/{consumer_id}/invoicing/contacts"

	payload := strings.NewReader("{\n  \"is_prospect\": true,\n  \"is_customer\": true,\n  \"is_supplier\": true,\n  \"is_company\": true,\n  \"company_name\": \"Example Company S.A.\",\n  \"first_name\": \"John\",\n  \"last_name\": \"Doe\",\n  \"email\": \"john.doe@example.com\",\n  \"phone\": \"+32 2 000 00 00\",\n  \"mobile\": \"+32 4 000 00 00\",\n  \"company_id\": \"<invoicing-company-id>\",\n  \"vat\": \"BE0000000000\",\n  \"company_number\": \"0000000000\",\n  \"currency\": \"EUR\",\n  \"language\": \"en\",\n  \"comment\": \"Preferred contact: accounts payable team.\",\n  \"customer_account_number\": \"<invoicing-account-number>\",\n  \"supplier_account_number\": \"<invoicing-account-number>\",\n  \"birthdate\": \"1990-01-01\",\n  \"addresses\": []\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://api.chift.eu/consumers/{consumer_id}/invoicing/contacts")
  .header("Content-Type", "application/json")
  .body("{\n  \"is_prospect\": true,\n  \"is_customer\": true,\n  \"is_supplier\": true,\n  \"is_company\": true,\n  \"company_name\": \"Example Company S.A.\",\n  \"first_name\": \"John\",\n  \"last_name\": \"Doe\",\n  \"email\": \"john.doe@example.com\",\n  \"phone\": \"+32 2 000 00 00\",\n  \"mobile\": \"+32 4 000 00 00\",\n  \"company_id\": \"<invoicing-company-id>\",\n  \"vat\": \"BE0000000000\",\n  \"company_number\": \"0000000000\",\n  \"currency\": \"EUR\",\n  \"language\": \"en\",\n  \"comment\": \"Preferred contact: accounts payable team.\",\n  \"customer_account_number\": \"<invoicing-account-number>\",\n  \"supplier_account_number\": \"<invoicing-account-number>\",\n  \"birthdate\": \"1990-01-01\",\n  \"addresses\": []\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.chift.eu/consumers/{consumer_id}/invoicing/contacts")

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  \"is_prospect\": true,\n  \"is_customer\": true,\n  \"is_supplier\": true,\n  \"is_company\": true,\n  \"company_name\": \"Example Company S.A.\",\n  \"first_name\": \"John\",\n  \"last_name\": \"Doe\",\n  \"email\": \"john.doe@example.com\",\n  \"phone\": \"+32 2 000 00 00\",\n  \"mobile\": \"+32 4 000 00 00\",\n  \"company_id\": \"<invoicing-company-id>\",\n  \"vat\": \"BE0000000000\",\n  \"company_number\": \"0000000000\",\n  \"currency\": \"EUR\",\n  \"language\": \"en\",\n  \"comment\": \"Preferred contact: accounts payable team.\",\n  \"customer_account_number\": \"<invoicing-account-number>\",\n  \"supplier_account_number\": \"<invoicing-account-number>\",\n  \"birthdate\": \"1990-01-01\",\n  \"addresses\": []\n}"

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

{
  "id": "<this-id>",
  "source_ref": {
    "id": "<target-software-id>",
    "model": "invoice"
  },
  "is_prospect": true,
  "is_customer": true,
  "is_supplier": true,
  "is_company": true,
  "company_name": "Example Company S.A.",
  "first_name": "John",
  "last_name": "Doe",
  "email": "john.doe@example.com",
  "phone": "+32 2 000 00 00",
  "mobile": "+32 4 000 00 00",
  "company_id": "<invoicing-company-id>",
  "vat": "BE0000000000",
  "company_number": "0000000000",
  "currency": "EUR",
  "language": "en",
  "comment": "Preferred contact: accounts payable team.",
  "customer_account_number": "<invoicing-account-number>",
  "supplier_account_number": "<invoicing-account-number>",
  "birthdate": "1990-01-01",
  "gender": "H",
  "addresses": [],
  "external_reference": "CONTACT-0001"
}

{
  "message": "Error while trying to perform your request",
  "status": "error"
}

{
  "message": "Validation error",
  "status": "error",
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>",
      "input": "<unknown>",
      "ctx": {}
    }
  ]
}