curl --request POST \
  --url https://thirdparty.qonto.com/v2/payment_links \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "payment_link": {
    "potential_payment_methods": [
      "credit_card"
    ],
    "reusable": true,
    "items": [
      {
        "title": "Item 1",
        "quantity": 1,
        "unit_price": {
          "value": "10.99",
          "currency": "EUR"
        },
        "vat_rate": "0.21",
        "type": "good",
        "description": "Item 1 description",
        "measure_unit": "unit"
      }
    ]
  }
}
'

import requests

url = "https://thirdparty.qonto.com/v2/payment_links"

payload = { "payment_link": {
        "potential_payment_methods": ["credit_card"],
        "reusable": True,
        "items": [
            {
                "title": "Item 1",
                "quantity": 1,
                "unit_price": {
                    "value": "10.99",
                    "currency": "EUR"
                },
                "vat_rate": "0.21",
                "type": "good",
                "description": "Item 1 description",
                "measure_unit": "unit"
            }
        ]
    } }
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({
    payment_link: {
      potential_payment_methods: ['credit_card'],
      reusable: true,
      items: [
        {
          title: 'Item 1',
          quantity: 1,
          unit_price: {value: '10.99', currency: 'EUR'},
          vat_rate: '0.21',
          type: 'good',
          description: 'Item 1 description',
          measure_unit: 'unit'
        }
      ]
    }
  })
};

fetch('https://thirdparty.qonto.com/v2/payment_links', 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/payment_links",
  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([
    'payment_link' => [
        'potential_payment_methods' => [
                'credit_card'
        ],
        'reusable' => true,
        'items' => [
                [
                                'title' => 'Item 1',
                                'quantity' => 1,
                                'unit_price' => [
                                                                'value' => '10.99',
                                                                'currency' => 'EUR'
                                ],
                                'vat_rate' => '0.21',
                                'type' => 'good',
                                'description' => 'Item 1 description',
                                'measure_unit' => 'unit'
                ]
        ]
    ]
  ]),
  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/payment_links"

	payload := strings.NewReader("{\n  \"payment_link\": {\n    \"potential_payment_methods\": [\n      \"credit_card\"\n    ],\n    \"reusable\": true,\n    \"items\": [\n      {\n        \"title\": \"Item 1\",\n        \"quantity\": 1,\n        \"unit_price\": {\n          \"value\": \"10.99\",\n          \"currency\": \"EUR\"\n        },\n        \"vat_rate\": \"0.21\",\n        \"type\": \"good\",\n        \"description\": \"Item 1 description\",\n        \"measure_unit\": \"unit\"\n      }\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://thirdparty.qonto.com/v2/payment_links")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"payment_link\": {\n    \"potential_payment_methods\": [\n      \"credit_card\"\n    ],\n    \"reusable\": true,\n    \"items\": [\n      {\n        \"title\": \"Item 1\",\n        \"quantity\": 1,\n        \"unit_price\": {\n          \"value\": \"10.99\",\n          \"currency\": \"EUR\"\n        },\n        \"vat_rate\": \"0.21\",\n        \"type\": \"good\",\n        \"description\": \"Item 1 description\",\n        \"measure_unit\": \"unit\"\n      }\n    ]\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

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

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  \"payment_link\": {\n    \"potential_payment_methods\": [\n      \"credit_card\"\n    ],\n    \"reusable\": true,\n    \"items\": [\n      {\n        \"title\": \"Item 1\",\n        \"quantity\": 1,\n        \"unit_price\": {\n          \"value\": \"10.99\",\n          \"currency\": \"EUR\"\n        },\n        \"vat_rate\": \"0.21\",\n        \"type\": \"good\",\n        \"description\": \"Item 1 description\",\n        \"measure_unit\": \"unit\"\n      }\n    ]\n  }\n}"

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