curl --request POST \
  --url https://pref.rio/link/api/qr \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "data": "https://example.com",
  "background_color": "#FFFFFF",
  "border_width": 2,
  "error_correction": "high",
  "foreground_color": "#000000",
  "format": "png",
  "include_logo": true,
  "logo_color": "#FF5733",
  "logo_shape": "circle",
  "module_shape": "square",
  "size": 512,
  "transparent_background": false
}
'

import requests

url = "https://pref.rio/link/api/qr"

payload = {
    "data": "https://example.com",
    "background_color": "#FFFFFF",
    "border_width": 2,
    "error_correction": "high",
    "foreground_color": "#000000",
    "format": "png",
    "include_logo": True,
    "logo_color": "#FF5733",
    "logo_shape": "circle",
    "module_shape": "square",
    "size": 512,
    "transparent_background": False
}
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({
    data: 'https://example.com',
    background_color: '#FFFFFF',
    border_width: 2,
    error_correction: 'high',
    foreground_color: '#000000',
    format: 'png',
    include_logo: true,
    logo_color: '#FF5733',
    logo_shape: 'circle',
    module_shape: 'square',
    size: 512,
    transparent_background: false
  })
};

fetch('https://pref.rio/link/api/qr', 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://pref.rio/link/api/qr",
  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([
    'data' => 'https://example.com',
    'background_color' => '#FFFFFF',
    'border_width' => 2,
    'error_correction' => 'high',
    'foreground_color' => '#000000',
    'format' => 'png',
    'include_logo' => true,
    'logo_color' => '#FF5733',
    'logo_shape' => 'circle',
    'module_shape' => 'square',
    'size' => 512,
    'transparent_background' => false
  ]),
  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://pref.rio/link/api/qr"

	payload := strings.NewReader("{\n  \"data\": \"https://example.com\",\n  \"background_color\": \"#FFFFFF\",\n  \"border_width\": 2,\n  \"error_correction\": \"high\",\n  \"foreground_color\": \"#000000\",\n  \"format\": \"png\",\n  \"include_logo\": true,\n  \"logo_color\": \"#FF5733\",\n  \"logo_shape\": \"circle\",\n  \"module_shape\": \"square\",\n  \"size\": 512,\n  \"transparent_background\": false\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://pref.rio/link/api/qr")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"data\": \"https://example.com\",\n  \"background_color\": \"#FFFFFF\",\n  \"border_width\": 2,\n  \"error_correction\": \"high\",\n  \"foreground_color\": \"#000000\",\n  \"format\": \"png\",\n  \"include_logo\": true,\n  \"logo_color\": \"#FF5733\",\n  \"logo_shape\": \"circle\",\n  \"module_shape\": \"square\",\n  \"size\": 512,\n  \"transparent_background\": false\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://pref.rio/link/api/qr")

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  \"data\": \"https://example.com\",\n  \"background_color\": \"#FFFFFF\",\n  \"border_width\": 2,\n  \"error_correction\": \"high\",\n  \"foreground_color\": \"#000000\",\n  \"format\": \"png\",\n  \"include_logo\": true,\n  \"logo_color\": \"#FF5733\",\n  \"logo_shape\": \"circle\",\n  \"module_shape\": \"square\",\n  \"size\": 512,\n  \"transparent_background\": false\n}"

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

"<string>"

{}

{}