curl --request POST \
  --url https://api-umbrella.io/api/services/payments/initiate \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "amount": "100.50",
  "currency": "EUR",
  "referenceId": "uniqueRefId123",
  "transactionDescription": "Payment for Order #12345",
  "returnUrl": "https://example.com/callback",
  "IBAN": "DE89370400440532013000",
  "storedBIC": "BOFIIE2D",
  "language": "DE"
}
'

import requests

url = "https://api-umbrella.io/api/services/payments/initiate"

payload = {
    "amount": "100.50",
    "currency": "EUR",
    "referenceId": "uniqueRefId123",
    "transactionDescription": "Payment for Order #12345",
    "returnUrl": "https://example.com/callback",
    "IBAN": "DE89370400440532013000",
    "storedBIC": "BOFIIE2D",
    "language": "DE"
}
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({
    amount: '100.50',
    currency: 'EUR',
    referenceId: 'uniqueRefId123',
    transactionDescription: 'Payment for Order #12345',
    returnUrl: 'https://example.com/callback',
    IBAN: 'DE89370400440532013000',
    storedBIC: 'BOFIIE2D',
    language: 'DE'
  })
};

fetch('https://api-umbrella.io/api/services/payments/initiate', 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-umbrella.io/api/services/payments/initiate",
  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([
    'amount' => '100.50',
    'currency' => 'EUR',
    'referenceId' => 'uniqueRefId123',
    'transactionDescription' => 'Payment for Order #12345',
    'returnUrl' => 'https://example.com/callback',
    'IBAN' => 'DE89370400440532013000',
    'storedBIC' => 'BOFIIE2D',
    'language' => 'DE'
  ]),
  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-umbrella.io/api/services/payments/initiate"

	payload := strings.NewReader("{\n  \"amount\": \"100.50\",\n  \"currency\": \"EUR\",\n  \"referenceId\": \"uniqueRefId123\",\n  \"transactionDescription\": \"Payment for Order #12345\",\n  \"returnUrl\": \"https://example.com/callback\",\n  \"IBAN\": \"DE89370400440532013000\",\n  \"storedBIC\": \"BOFIIE2D\",\n  \"language\": \"DE\"\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-umbrella.io/api/services/payments/initiate")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"amount\": \"100.50\",\n  \"currency\": \"EUR\",\n  \"referenceId\": \"uniqueRefId123\",\n  \"transactionDescription\": \"Payment for Order #12345\",\n  \"returnUrl\": \"https://example.com/callback\",\n  \"IBAN\": \"DE89370400440532013000\",\n  \"storedBIC\": \"BOFIIE2D\",\n  \"language\": \"DE\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api-umbrella.io/api/services/payments/initiate")

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  \"amount\": \"100.50\",\n  \"currency\": \"EUR\",\n  \"referenceId\": \"uniqueRefId123\",\n  \"transactionDescription\": \"Payment for Order #12345\",\n  \"returnUrl\": \"https://example.com/callback\",\n  \"IBAN\": \"DE89370400440532013000\",\n  \"storedBIC\": \"BOFIIE2D\",\n  \"language\": \"DE\"\n}"

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

{
  "requestId": "req123456789",
  "redirectUrl": "https://example.com/app/req_123456789"
}

{
  "message": "Invalid request payload"
}

{
  "message": "Unauthorized request"
}