curl --request POST \
  --url https://api.paywise.de/mahnservice/v1/invoices/{uuid}/write-off/ \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://api.paywise.de/mahnservice/v1/invoices/{uuid}/write-off/"

headers = {"Authorization": "Bearer <token>"}

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

print(response.text)

const options = {method: 'POST', headers: {Authorization: 'Bearer <token>'}};

fetch('https://api.paywise.de/mahnservice/v1/invoices/{uuid}/write-off/', 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.paywise.de/mahnservice/v1/invoices/{uuid}/write-off/",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.paywise.de/mahnservice/v1/invoices/{uuid}/write-off/"

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

	req.Header.Add("Authorization", "Bearer <token>")

	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.paywise.de/mahnservice/v1/invoices/{uuid}/write-off/")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.paywise.de/mahnservice/v1/invoices/{uuid}/write-off/")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'

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

{
  "id": "71000000-0000-4000-8000-000000000001",
  "invoice_number": "INV-2026-1042",
  "amount": "250.00",
  "currency": "EUR",
  "due_date": "2026-09-01",
  "document_date": "2026-08-18",
  "your_reference": "CUSTOMER-1042",
  "debtor": "72000000-0000-4000-8000-000000000001",
  "access_mode": "production",
  "dunning_state": "written_off",
  "archived": false,
  "has_document": false,
  "document": null,
  "balance": "0.00",
  "paid_amount": "0.00",
  "overpaid": false,
  "created": "2026-09-02T08:00:00Z",
  "updated": "2026-09-03T09:00:00Z"
}

{
  "detail": "<string>",
  "code": "<string>",
  "errors": [
    {
      "field": "<string>",
      "code": "<string>",
      "message": "<string>"
    }
  ]
}

{
  "detail": "<string>",
  "code": "<string>",
  "errors": [
    {
      "field": "<string>",
      "code": "<string>",
      "message": "<string>"
    }
  ]
}

{
  "detail": "<string>",
  "code": "<string>",
  "errors": [
    {
      "field": "<string>",
      "code": "<string>",
      "message": "<string>"
    }
  ]
}

{
  "detail": "<string>",
  "code": "<string>",
  "errors": [
    {
      "field": "<string>",
      "code": "<string>",
      "message": "<string>"
    }
  ]
}

{
  "detail": "<string>",
  "code": "<string>",
  "errors": [
    {
      "field": "<string>",
      "code": "<string>",
      "message": "<string>"
    }
  ]
}

{
  "detail": "<string>",
  "code": "<string>",
  "errors": [
    {
      "field": "<string>",
      "code": "<string>",
      "message": "<string>"
    }
  ]
}

{
  "detail": "<string>",
  "code": "<string>",
  "errors": [
    {
      "field": "<string>",
      "code": "<string>",
      "message": "<string>"
    }
  ]
}