curl --request PATCH \
  --url https://api.debbiecollect.com/v1/{tenantId}/creditors/{creditorId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data @- <<EOF
{
  "acquisitionResponsibleId": "9409b6d8-cde5-45f1-b8e1-e756847a7077",
  "contactId": "bb71f936-c60c-4ad7-82f6-eddca673d30f",
  "caseworkerContactId": "9409b6d8-cde5-45f1-b8e1-e756847a7077",
  "notes": "Note to self (and my colleagues).",
  "name": "John Doe's Factories",
  "defaultCollectorId": "f6700acf-edf6-4ef7-8e39-fa5f45d20c0d",
  "defaultChainId": "3057ca58-d39d-48ec-9d79-c45182b92ca0",
  "aksEnabled": true,
  "vatRegistered": true,
  "centralRegisterId": "DK40125949",
  "isCompany": true,
  "state": "ACTIVE",
  "id": "My reference",
  "selfCollection": false,
  "experianClientId": 125134,
  "creditorId": "a087de99-19aa-4f40-9883-fa4b20f3dff1",
  "debtorFAQ": "Frequently asked questions",
  "defaultClientChainId": "3057ca58-d39d-48ec-9d79-c45182b92ca0",
  "defaultBillingModelId": "9860cf1a-b4d9-4d4e-a085-298c4781eca0"
}
EOF

import requests

url = "https://api.debbiecollect.com/v1/{tenantId}/creditors/{creditorId}"

payload = {
    "acquisitionResponsibleId": "9409b6d8-cde5-45f1-b8e1-e756847a7077",
    "contactId": "bb71f936-c60c-4ad7-82f6-eddca673d30f",
    "caseworkerContactId": "9409b6d8-cde5-45f1-b8e1-e756847a7077",
    "notes": "Note to self (and my colleagues).",
    "name": "John Doe's Factories",
    "defaultCollectorId": "f6700acf-edf6-4ef7-8e39-fa5f45d20c0d",
    "defaultChainId": "3057ca58-d39d-48ec-9d79-c45182b92ca0",
    "aksEnabled": True,
    "vatRegistered": True,
    "centralRegisterId": "DK40125949",
    "isCompany": True,
    "state": "ACTIVE",
    "id": "My reference",
    "selfCollection": False,
    "experianClientId": 125134,
    "creditorId": "a087de99-19aa-4f40-9883-fa4b20f3dff1",
    "debtorFAQ": "Frequently asked questions",
    "defaultClientChainId": "3057ca58-d39d-48ec-9d79-c45182b92ca0",
    "defaultBillingModelId": "9860cf1a-b4d9-4d4e-a085-298c4781eca0"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    acquisitionResponsibleId: '9409b6d8-cde5-45f1-b8e1-e756847a7077',
    contactId: 'bb71f936-c60c-4ad7-82f6-eddca673d30f',
    caseworkerContactId: '9409b6d8-cde5-45f1-b8e1-e756847a7077',
    notes: 'Note to self (and my colleagues).',
    name: 'John Doe\'s Factories',
    defaultCollectorId: 'f6700acf-edf6-4ef7-8e39-fa5f45d20c0d',
    defaultChainId: '3057ca58-d39d-48ec-9d79-c45182b92ca0',
    aksEnabled: true,
    vatRegistered: true,
    centralRegisterId: 'DK40125949',
    isCompany: true,
    state: 'ACTIVE',
    id: 'My reference',
    selfCollection: false,
    experianClientId: 125134,
    creditorId: 'a087de99-19aa-4f40-9883-fa4b20f3dff1',
    debtorFAQ: 'Frequently asked questions',
    defaultClientChainId: '3057ca58-d39d-48ec-9d79-c45182b92ca0',
    defaultBillingModelId: '9860cf1a-b4d9-4d4e-a085-298c4781eca0'
  })
};

fetch('https://api.debbiecollect.com/v1/{tenantId}/creditors/{creditorId}', 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.debbiecollect.com/v1/{tenantId}/creditors/{creditorId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'acquisitionResponsibleId' => '9409b6d8-cde5-45f1-b8e1-e756847a7077',
    'contactId' => 'bb71f936-c60c-4ad7-82f6-eddca673d30f',
    'caseworkerContactId' => '9409b6d8-cde5-45f1-b8e1-e756847a7077',
    'notes' => 'Note to self (and my colleagues).',
    'name' => 'John Doe\'s Factories',
    'defaultCollectorId' => 'f6700acf-edf6-4ef7-8e39-fa5f45d20c0d',
    'defaultChainId' => '3057ca58-d39d-48ec-9d79-c45182b92ca0',
    'aksEnabled' => true,
    'vatRegistered' => true,
    'centralRegisterId' => 'DK40125949',
    'isCompany' => true,
    'state' => 'ACTIVE',
    'id' => 'My reference',
    'selfCollection' => false,
    'experianClientId' => 125134,
    'creditorId' => 'a087de99-19aa-4f40-9883-fa4b20f3dff1',
    'debtorFAQ' => 'Frequently asked questions',
    'defaultClientChainId' => '3057ca58-d39d-48ec-9d79-c45182b92ca0',
    'defaultBillingModelId' => '9860cf1a-b4d9-4d4e-a085-298c4781eca0'
  ]),
  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.debbiecollect.com/v1/{tenantId}/creditors/{creditorId}"

	payload := strings.NewReader("{\n  \"acquisitionResponsibleId\": \"9409b6d8-cde5-45f1-b8e1-e756847a7077\",\n  \"contactId\": \"bb71f936-c60c-4ad7-82f6-eddca673d30f\",\n  \"caseworkerContactId\": \"9409b6d8-cde5-45f1-b8e1-e756847a7077\",\n  \"notes\": \"Note to self (and my colleagues).\",\n  \"name\": \"John Doe's Factories\",\n  \"defaultCollectorId\": \"f6700acf-edf6-4ef7-8e39-fa5f45d20c0d\",\n  \"defaultChainId\": \"3057ca58-d39d-48ec-9d79-c45182b92ca0\",\n  \"aksEnabled\": true,\n  \"vatRegistered\": true,\n  \"centralRegisterId\": \"DK40125949\",\n  \"isCompany\": true,\n  \"state\": \"ACTIVE\",\n  \"id\": \"My reference\",\n  \"selfCollection\": false,\n  \"experianClientId\": 125134,\n  \"creditorId\": \"a087de99-19aa-4f40-9883-fa4b20f3dff1\",\n  \"debtorFAQ\": \"Frequently asked questions\",\n  \"defaultClientChainId\": \"3057ca58-d39d-48ec-9d79-c45182b92ca0\",\n  \"defaultBillingModelId\": \"9860cf1a-b4d9-4d4e-a085-298c4781eca0\"\n}")

	req, _ := http.NewRequest("PATCH", 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.patch("https://api.debbiecollect.com/v1/{tenantId}/creditors/{creditorId}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"acquisitionResponsibleId\": \"9409b6d8-cde5-45f1-b8e1-e756847a7077\",\n  \"contactId\": \"bb71f936-c60c-4ad7-82f6-eddca673d30f\",\n  \"caseworkerContactId\": \"9409b6d8-cde5-45f1-b8e1-e756847a7077\",\n  \"notes\": \"Note to self (and my colleagues).\",\n  \"name\": \"John Doe's Factories\",\n  \"defaultCollectorId\": \"f6700acf-edf6-4ef7-8e39-fa5f45d20c0d\",\n  \"defaultChainId\": \"3057ca58-d39d-48ec-9d79-c45182b92ca0\",\n  \"aksEnabled\": true,\n  \"vatRegistered\": true,\n  \"centralRegisterId\": \"DK40125949\",\n  \"isCompany\": true,\n  \"state\": \"ACTIVE\",\n  \"id\": \"My reference\",\n  \"selfCollection\": false,\n  \"experianClientId\": 125134,\n  \"creditorId\": \"a087de99-19aa-4f40-9883-fa4b20f3dff1\",\n  \"debtorFAQ\": \"Frequently asked questions\",\n  \"defaultClientChainId\": \"3057ca58-d39d-48ec-9d79-c45182b92ca0\",\n  \"defaultBillingModelId\": \"9860cf1a-b4d9-4d4e-a085-298c4781eca0\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.debbiecollect.com/v1/{tenantId}/creditors/{creditorId}")

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

request = Net::HTTP::Patch.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"acquisitionResponsibleId\": \"9409b6d8-cde5-45f1-b8e1-e756847a7077\",\n  \"contactId\": \"bb71f936-c60c-4ad7-82f6-eddca673d30f\",\n  \"caseworkerContactId\": \"9409b6d8-cde5-45f1-b8e1-e756847a7077\",\n  \"notes\": \"Note to self (and my colleagues).\",\n  \"name\": \"John Doe's Factories\",\n  \"defaultCollectorId\": \"f6700acf-edf6-4ef7-8e39-fa5f45d20c0d\",\n  \"defaultChainId\": \"3057ca58-d39d-48ec-9d79-c45182b92ca0\",\n  \"aksEnabled\": true,\n  \"vatRegistered\": true,\n  \"centralRegisterId\": \"DK40125949\",\n  \"isCompany\": true,\n  \"state\": \"ACTIVE\",\n  \"id\": \"My reference\",\n  \"selfCollection\": false,\n  \"experianClientId\": 125134,\n  \"creditorId\": \"a087de99-19aa-4f40-9883-fa4b20f3dff1\",\n  \"debtorFAQ\": \"Frequently asked questions\",\n  \"defaultClientChainId\": \"3057ca58-d39d-48ec-9d79-c45182b92ca0\",\n  \"defaultBillingModelId\": \"9860cf1a-b4d9-4d4e-a085-298c4781eca0\"\n}"

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

This response has no body data.