curl --request POST \
  --url https://api.debbiecollect.com/v1/{tenantId}/creditors \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data @- <<EOF
{
  "id": "My reference",
  "name": "John Doe's Factories",
  "centralRegisterId": "DK40125949",
  "isCompany": true,
  "address": {
    "address": "Applebys Pl. 7, 1.",
    "coAddress": null,
    "city": "København K",
    "zipcode": "1411",
    "country": "Danmark"
  },
  "notes": "Note to self (and my colleagues).",
  "erpLink": "https://example.com?id={{customerReferenceId}}&test",
  "acquisitionResponsibleId": "9409b6d8-cde5-45f1-b8e1-e756847a7077",
  "contactId": "bb71f936-c60c-4ad7-82f6-eddca673d30f",
  "caseworkerContactId": "9409b6d8-cde5-45f1-b8e1-e756847a7077",
  "defaultWorkflowId": "3057ca58-d39d-48ec-9d79-c45182b92ca0",
  "state": "ACTIVE",
  "vatRegistered": true,
  "aksEnabled": true,
  "bankAccountDetails": {
    "type": "DANISH",
    "registrationNumber": "1234",
    "accountNumber": "00012345678"
  },
  "selfCollection": false
}
EOF

import requests

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

payload = {
    "id": "My reference",
    "name": "John Doe's Factories",
    "centralRegisterId": "DK40125949",
    "isCompany": True,
    "address": {
        "address": "Applebys Pl. 7, 1.",
        "coAddress": None,
        "city": "København K",
        "zipcode": "1411",
        "country": "Danmark"
    },
    "notes": "Note to self (and my colleagues).",
    "erpLink": "https://example.com?id={{customerReferenceId}}&test",
    "acquisitionResponsibleId": "9409b6d8-cde5-45f1-b8e1-e756847a7077",
    "contactId": "bb71f936-c60c-4ad7-82f6-eddca673d30f",
    "caseworkerContactId": "9409b6d8-cde5-45f1-b8e1-e756847a7077",
    "defaultWorkflowId": "3057ca58-d39d-48ec-9d79-c45182b92ca0",
    "state": "ACTIVE",
    "vatRegistered": True,
    "aksEnabled": True,
    "bankAccountDetails": {
        "type": "DANISH",
        "registrationNumber": "1234",
        "accountNumber": "00012345678"
    },
    "selfCollection": False
}
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({
    id: 'My reference',
    name: 'John Doe\'s Factories',
    centralRegisterId: 'DK40125949',
    isCompany: true,
    address: {
      address: 'Applebys Pl. 7, 1.',
      coAddress: null,
      city: 'København K',
      zipcode: '1411',
      country: 'Danmark'
    },
    notes: 'Note to self (and my colleagues).',
    erpLink: 'https://example.com?id={{customerReferenceId}}&test',
    acquisitionResponsibleId: '9409b6d8-cde5-45f1-b8e1-e756847a7077',
    contactId: 'bb71f936-c60c-4ad7-82f6-eddca673d30f',
    caseworkerContactId: '9409b6d8-cde5-45f1-b8e1-e756847a7077',
    defaultWorkflowId: '3057ca58-d39d-48ec-9d79-c45182b92ca0',
    state: 'ACTIVE',
    vatRegistered: true,
    aksEnabled: true,
    bankAccountDetails: {type: 'DANISH', registrationNumber: '1234', accountNumber: '00012345678'},
    selfCollection: false
  })
};

fetch('https://api.debbiecollect.com/v1/{tenantId}/creditors', 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",
  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([
    'id' => 'My reference',
    'name' => 'John Doe\'s Factories',
    'centralRegisterId' => 'DK40125949',
    'isCompany' => true,
    'address' => [
        'address' => 'Applebys Pl. 7, 1.',
        'coAddress' => null,
        'city' => 'København K',
        'zipcode' => '1411',
        'country' => 'Danmark'
    ],
    'notes' => 'Note to self (and my colleagues).',
    'erpLink' => 'https://example.com?id={{customerReferenceId}}&test',
    'acquisitionResponsibleId' => '9409b6d8-cde5-45f1-b8e1-e756847a7077',
    'contactId' => 'bb71f936-c60c-4ad7-82f6-eddca673d30f',
    'caseworkerContactId' => '9409b6d8-cde5-45f1-b8e1-e756847a7077',
    'defaultWorkflowId' => '3057ca58-d39d-48ec-9d79-c45182b92ca0',
    'state' => 'ACTIVE',
    'vatRegistered' => true,
    'aksEnabled' => true,
    'bankAccountDetails' => [
        'type' => 'DANISH',
        'registrationNumber' => '1234',
        'accountNumber' => '00012345678'
    ],
    'selfCollection' => false
  ]),
  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"

	payload := strings.NewReader("{\n  \"id\": \"My reference\",\n  \"name\": \"John Doe's Factories\",\n  \"centralRegisterId\": \"DK40125949\",\n  \"isCompany\": true,\n  \"address\": {\n    \"address\": \"Applebys Pl. 7, 1.\",\n    \"coAddress\": null,\n    \"city\": \"København K\",\n    \"zipcode\": \"1411\",\n    \"country\": \"Danmark\"\n  },\n  \"notes\": \"Note to self (and my colleagues).\",\n  \"erpLink\": \"https://example.com?id={{customerReferenceId}}&test\",\n  \"acquisitionResponsibleId\": \"9409b6d8-cde5-45f1-b8e1-e756847a7077\",\n  \"contactId\": \"bb71f936-c60c-4ad7-82f6-eddca673d30f\",\n  \"caseworkerContactId\": \"9409b6d8-cde5-45f1-b8e1-e756847a7077\",\n  \"defaultWorkflowId\": \"3057ca58-d39d-48ec-9d79-c45182b92ca0\",\n  \"state\": \"ACTIVE\",\n  \"vatRegistered\": true,\n  \"aksEnabled\": true,\n  \"bankAccountDetails\": {\n    \"type\": \"DANISH\",\n    \"registrationNumber\": \"1234\",\n    \"accountNumber\": \"00012345678\"\n  },\n  \"selfCollection\": false\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.debbiecollect.com/v1/{tenantId}/creditors")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"id\": \"My reference\",\n  \"name\": \"John Doe's Factories\",\n  \"centralRegisterId\": \"DK40125949\",\n  \"isCompany\": true,\n  \"address\": {\n    \"address\": \"Applebys Pl. 7, 1.\",\n    \"coAddress\": null,\n    \"city\": \"København K\",\n    \"zipcode\": \"1411\",\n    \"country\": \"Danmark\"\n  },\n  \"notes\": \"Note to self (and my colleagues).\",\n  \"erpLink\": \"https://example.com?id={{customerReferenceId}}&test\",\n  \"acquisitionResponsibleId\": \"9409b6d8-cde5-45f1-b8e1-e756847a7077\",\n  \"contactId\": \"bb71f936-c60c-4ad7-82f6-eddca673d30f\",\n  \"caseworkerContactId\": \"9409b6d8-cde5-45f1-b8e1-e756847a7077\",\n  \"defaultWorkflowId\": \"3057ca58-d39d-48ec-9d79-c45182b92ca0\",\n  \"state\": \"ACTIVE\",\n  \"vatRegistered\": true,\n  \"aksEnabled\": true,\n  \"bankAccountDetails\": {\n    \"type\": \"DANISH\",\n    \"registrationNumber\": \"1234\",\n    \"accountNumber\": \"00012345678\"\n  },\n  \"selfCollection\": false\n}")
  .asString();

require 'uri'
require 'net/http'

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

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  \"id\": \"My reference\",\n  \"name\": \"John Doe's Factories\",\n  \"centralRegisterId\": \"DK40125949\",\n  \"isCompany\": true,\n  \"address\": {\n    \"address\": \"Applebys Pl. 7, 1.\",\n    \"coAddress\": null,\n    \"city\": \"København K\",\n    \"zipcode\": \"1411\",\n    \"country\": \"Danmark\"\n  },\n  \"notes\": \"Note to self (and my colleagues).\",\n  \"erpLink\": \"https://example.com?id={{customerReferenceId}}&test\",\n  \"acquisitionResponsibleId\": \"9409b6d8-cde5-45f1-b8e1-e756847a7077\",\n  \"contactId\": \"bb71f936-c60c-4ad7-82f6-eddca673d30f\",\n  \"caseworkerContactId\": \"9409b6d8-cde5-45f1-b8e1-e756847a7077\",\n  \"defaultWorkflowId\": \"3057ca58-d39d-48ec-9d79-c45182b92ca0\",\n  \"state\": \"ACTIVE\",\n  \"vatRegistered\": true,\n  \"aksEnabled\": true,\n  \"bankAccountDetails\": {\n    \"type\": \"DANISH\",\n    \"registrationNumber\": \"1234\",\n    \"accountNumber\": \"00012345678\"\n  },\n  \"selfCollection\": false\n}"

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

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "reference": "<string>"
}