curl --request POST \
  --url https://thirdparty.qonto.com/v2/sepa/direct_debit_subscriptions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "direct_debit_subscription": {
    "client_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "bank_account_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "initial_collection_date": "2022-01-21",
    "amount": {
      "value": "102.34",
      "currency": "EUR"
    },
    "reference": "<string>",
    "notify_client": true,
    "schedule_type": "one_off",
    "direct_debit_mandate_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "send_mandate_signature_email": true
  }
}
'

import requests

url = "https://thirdparty.qonto.com/v2/sepa/direct_debit_subscriptions"

payload = { "direct_debit_subscription": {
        "client_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "bank_account_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "initial_collection_date": "2022-01-21",
        "amount": {
            "value": "102.34",
            "currency": "EUR"
        },
        "reference": "<string>",
        "notify_client": True,
        "schedule_type": "one_off",
        "direct_debit_mandate_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "send_mandate_signature_email": True
    } }
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({
    direct_debit_subscription: {
      client_id: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
      bank_account_id: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
      initial_collection_date: '2022-01-21',
      amount: {value: '102.34', currency: 'EUR'},
      reference: '<string>',
      notify_client: true,
      schedule_type: 'one_off',
      direct_debit_mandate_id: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
      send_mandate_signature_email: true
    }
  })
};

fetch('https://thirdparty.qonto.com/v2/sepa/direct_debit_subscriptions', 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://thirdparty.qonto.com/v2/sepa/direct_debit_subscriptions",
  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([
    'direct_debit_subscription' => [
        'client_id' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
        'bank_account_id' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
        'initial_collection_date' => '2022-01-21',
        'amount' => [
                'value' => '102.34',
                'currency' => 'EUR'
        ],
        'reference' => '<string>',
        'notify_client' => true,
        'schedule_type' => 'one_off',
        'direct_debit_mandate_id' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
        'send_mandate_signature_email' => true
    ]
  ]),
  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://thirdparty.qonto.com/v2/sepa/direct_debit_subscriptions"

	payload := strings.NewReader("{\n  \"direct_debit_subscription\": {\n    \"client_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n    \"bank_account_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n    \"initial_collection_date\": \"2022-01-21\",\n    \"amount\": {\n      \"value\": \"102.34\",\n      \"currency\": \"EUR\"\n    },\n    \"reference\": \"<string>\",\n    \"notify_client\": true,\n    \"schedule_type\": \"one_off\",\n    \"direct_debit_mandate_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n    \"send_mandate_signature_email\": true\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://thirdparty.qonto.com/v2/sepa/direct_debit_subscriptions")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"direct_debit_subscription\": {\n    \"client_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n    \"bank_account_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n    \"initial_collection_date\": \"2022-01-21\",\n    \"amount\": {\n      \"value\": \"102.34\",\n      \"currency\": \"EUR\"\n    },\n    \"reference\": \"<string>\",\n    \"notify_client\": true,\n    \"schedule_type\": \"one_off\",\n    \"direct_debit_mandate_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n    \"send_mandate_signature_email\": true\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://thirdparty.qonto.com/v2/sepa/direct_debit_subscriptions")

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  \"direct_debit_subscription\": {\n    \"client_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n    \"bank_account_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n    \"initial_collection_date\": \"2022-01-21\",\n    \"amount\": {\n      \"value\": \"102.34\",\n      \"currency\": \"EUR\"\n    },\n    \"reference\": \"<string>\",\n    \"notify_client\": true,\n    \"schedule_type\": \"one_off\",\n    \"direct_debit_mandate_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n    \"send_mandate_signature_email\": true\n  }\n}"

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