curl --request POST \
  --url https://api.openfiskal.com/v1/merchants \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "legal_name": "Test GmbH",
  "country_code": "DEU",
  "address": {
    "line1": "Musterstr. 1",
    "city": "Berlin",
    "postal_code": "10115",
    "country_code": "DEU",
    "line2": "Apt 4"
  },
  "fiscal_identities": [
    {
      "country_code": "DEU",
      "tax_number": "21/815/08150",
      "vat_id": "DE123456789"
    }
  ]
}
'

import requests

url = "https://api.openfiskal.com/v1/merchants"

payload = {
    "legal_name": "Test GmbH",
    "country_code": "DEU",
    "address": {
        "line1": "Musterstr. 1",
        "city": "Berlin",
        "postal_code": "10115",
        "country_code": "DEU",
        "line2": "Apt 4"
    },
    "fiscal_identities": [
        {
            "country_code": "DEU",
            "tax_number": "21/815/08150",
            "vat_id": "DE123456789"
        }
    ]
}
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({
    legal_name: 'Test GmbH',
    country_code: 'DEU',
    address: {
      line1: 'Musterstr. 1',
      city: 'Berlin',
      postal_code: '10115',
      country_code: 'DEU',
      line2: 'Apt 4'
    },
    fiscal_identities: [{country_code: 'DEU', tax_number: '21/815/08150', vat_id: 'DE123456789'}]
  })
};

fetch('https://api.openfiskal.com/v1/merchants', 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.openfiskal.com/v1/merchants",
  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([
    'legal_name' => 'Test GmbH',
    'country_code' => 'DEU',
    'address' => [
        'line1' => 'Musterstr. 1',
        'city' => 'Berlin',
        'postal_code' => '10115',
        'country_code' => 'DEU',
        'line2' => 'Apt 4'
    ],
    'fiscal_identities' => [
        [
                'country_code' => 'DEU',
                'tax_number' => '21/815/08150',
                'vat_id' => 'DE123456789'
        ]
    ]
  ]),
  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.openfiskal.com/v1/merchants"

	payload := strings.NewReader("{\n  \"legal_name\": \"Test GmbH\",\n  \"country_code\": \"DEU\",\n  \"address\": {\n    \"line1\": \"Musterstr. 1\",\n    \"city\": \"Berlin\",\n    \"postal_code\": \"10115\",\n    \"country_code\": \"DEU\",\n    \"line2\": \"Apt 4\"\n  },\n  \"fiscal_identities\": [\n    {\n      \"country_code\": \"DEU\",\n      \"tax_number\": \"21/815/08150\",\n      \"vat_id\": \"DE123456789\"\n    }\n  ]\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.openfiskal.com/v1/merchants")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"legal_name\": \"Test GmbH\",\n  \"country_code\": \"DEU\",\n  \"address\": {\n    \"line1\": \"Musterstr. 1\",\n    \"city\": \"Berlin\",\n    \"postal_code\": \"10115\",\n    \"country_code\": \"DEU\",\n    \"line2\": \"Apt 4\"\n  },\n  \"fiscal_identities\": [\n    {\n      \"country_code\": \"DEU\",\n      \"tax_number\": \"21/815/08150\",\n      \"vat_id\": \"DE123456789\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.openfiskal.com/v1/merchants")

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  \"legal_name\": \"Test GmbH\",\n  \"country_code\": \"DEU\",\n  \"address\": {\n    \"line1\": \"Musterstr. 1\",\n    \"city\": \"Berlin\",\n    \"postal_code\": \"10115\",\n    \"country_code\": \"DEU\",\n    \"line2\": \"Apt 4\"\n  },\n  \"fiscal_identities\": [\n    {\n      \"country_code\": \"DEU\",\n      \"tax_number\": \"21/815/08150\",\n      \"vat_id\": \"DE123456789\"\n    }\n  ]\n}"

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

{
  "id": "<string>",
  "legal_name": "<string>",
  "country_code": "DEU",
  "status": "active",
  "address": {
    "line1": "<string>",
    "city": "<string>",
    "postal_code": "<string>",
    "country_code": "DEU",
    "line2": "<string>"
  },
  "fiscal_identities": [
    {
      "country_code": "DEU",
      "tax_number": "21/815/08150",
      "vat_id": "DE123456789"
    }
  ],
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z"
}

{
  "code": "invalid_request",
  "message": "The request body is malformed.",
  "retryable": false
}

{
  "code": "unauthorized",
  "message": "Authentication failed.",
  "retryable": false
}

{
  "code": "forbidden",
  "message": "The authenticated caller cannot access this resource.",
  "retryable": false
}

{
  "code": "regime_validation_failed",
  "message": "The payload violates regime-specific validation rules.",
  "retryable": false
}