curl --request POST \
  --url https://api.brandgate.dev/v1/customers \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "items": [
    {
      "external_id": "<string>",
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "customer_number": "<string>",
      "company_name": "<string>",
      "contact_name": "<string>",
      "email": "jsmith@example.com",
      "phone": "<string>",
      "vat_number": "<string>",
      "billing_address": {
        "line1": "<string>",
        "city": "<string>",
        "postal_code": "<string>",
        "country": "<string>"
      },
      "shipping_address": {
        "line1": "<string>",
        "city": "<string>",
        "postal_code": "<string>",
        "country": "<string>"
      },
      "payment_terms_days": 182,
      "preferred_currency": "<string>",
      "price_list": "<string>",
      "source_updated_at": "2023-11-07T05:31:56Z"
    }
  ]
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    items: [
      {
        external_id: '<string>',
        id: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
        customer_number: '<string>',
        company_name: '<string>',
        contact_name: '<string>',
        email: 'jsmith@example.com',
        phone: '<string>',
        vat_number: '<string>',
        billing_address: {
          line1: '<string>',
          city: '<string>',
          postal_code: '<string>',
          country: '<string>'
        },
        shipping_address: {
          line1: '<string>',
          city: '<string>',
          postal_code: '<string>',
          country: '<string>'
        },
        payment_terms_days: 182,
        preferred_currency: '<string>',
        price_list: '<string>',
        source_updated_at: '2023-11-07T05:31:56Z'
      }
    ]
  })
};

fetch('https://api.brandgate.dev/v1/customers', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.brandgate.dev/v1/customers"

payload = { "items": [
        {
            "external_id": "<string>",
            "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
            "customer_number": "<string>",
            "company_name": "<string>",
            "contact_name": "<string>",
            "email": "jsmith@example.com",
            "phone": "<string>",
            "vat_number": "<string>",
            "billing_address": {
                "line1": "<string>",
                "city": "<string>",
                "postal_code": "<string>",
                "country": "<string>"
            },
            "shipping_address": {
                "line1": "<string>",
                "city": "<string>",
                "postal_code": "<string>",
                "country": "<string>"
            },
            "payment_terms_days": 182,
            "preferred_currency": "<string>",
            "price_list": "<string>",
            "source_updated_at": "2023-11-07T05:31:56Z"
        }
    ] }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

using RestSharp;


var options = new RestClientOptions("https://api.brandgate.dev/v1/customers");
var client = new RestClient(options);
var request = new RestRequest("");
request.AddHeader("Authorization", "Bearer <token>");
request.AddJsonBody("{\n  \"items\": [\n    {\n      \"external_id\": \"<string>\",\n      \"id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n      \"customer_number\": \"<string>\",\n      \"company_name\": \"<string>\",\n      \"contact_name\": \"<string>\",\n      \"email\": \"jsmith@example.com\",\n      \"phone\": \"<string>\",\n      \"vat_number\": \"<string>\",\n      \"billing_address\": {\n        \"line1\": \"<string>\",\n        \"city\": \"<string>\",\n        \"postal_code\": \"<string>\",\n        \"country\": \"<string>\"\n      },\n      \"shipping_address\": {\n        \"line1\": \"<string>\",\n        \"city\": \"<string>\",\n        \"postal_code\": \"<string>\",\n        \"country\": \"<string>\"\n      },\n      \"payment_terms_days\": 182,\n      \"preferred_currency\": \"<string>\",\n      \"price_list\": \"<string>\",\n      \"source_updated_at\": \"2023-11-07T05:31:56Z\"\n    }\n  ]\n}", false);
var response = await client.PostAsync(request);

Console.WriteLine("{0}", response.Content);

{
  "object": "batch_result",
  "results": [
    {
      "external_id": "<string>",
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "result": "created",
      "error": {
        "code": "stale_write",
        "message": "<string>",
        "existing_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
      }
    }
  ],
  "counts": {
    "created": 123,
    "updated": 123,
    "unchanged": 123,
    "errors": 123
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "request_id": "<string>"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "request_id": "<string>"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "request_id": "<string>"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "request_id": "<string>"
  }
}