curl --request POST \
  --url https://api.beta.suby.fi/v3/checkout/sessions \
  --header 'Content-Type: application/json' \
  --header 'X-Suby-Api-Key: <api-key>' \
  --data '
{
  "successUrl": "<string>",
  "cancelUrl": "<string>",
  "productId": "pro_abc123",
  "lineItems": [
    {
      "productId": "pro_abc123",
      "quantity": 1,
      "adjustable": true,
      "min": 499,
      "max": 500
    }
  ],
  "amount": 2,
  "currency": "<string>",
  "displayName": "<string>",
  "customerId": "cus_abc123",
  "customerEmail": "jsmith@example.com",
  "customerFirstName": "<string>",
  "customerLastName": "<string>",
  "discountCode": "<string>",
  "metadata": {},
  "customFields": [
    {
      "key": "<string>",
      "label": "<string>",
      "required": true,
      "placeholder": "<string>",
      "options": [
        {
          "value": "<string>",
          "label": "<string>"
        }
      ],
      "validation": {
        "regex": "<string>",
        "errorMessage": "<string>"
      },
      "defaultValue": "<string>"
    }
  ],
  "expiresIn": 302430
}
'

import requests

url = "https://api.beta.suby.fi/v3/checkout/sessions"

payload = {
    "successUrl": "<string>",
    "cancelUrl": "<string>",
    "productId": "pro_abc123",
    "lineItems": [
        {
            "productId": "pro_abc123",
            "quantity": 1,
            "adjustable": True,
            "min": 499,
            "max": 500
        }
    ],
    "amount": 2,
    "currency": "<string>",
    "displayName": "<string>",
    "customerId": "cus_abc123",
    "customerEmail": "jsmith@example.com",
    "customerFirstName": "<string>",
    "customerLastName": "<string>",
    "discountCode": "<string>",
    "metadata": {},
    "customFields": [
        {
            "key": "<string>",
            "label": "<string>",
            "required": True,
            "placeholder": "<string>",
            "options": [
                {
                    "value": "<string>",
                    "label": "<string>"
                }
            ],
            "validation": {
                "regex": "<string>",
                "errorMessage": "<string>"
            },
            "defaultValue": "<string>"
        }
    ],
    "expiresIn": 302430
}
headers = {
    "X-Suby-Api-Key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'X-Suby-Api-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    successUrl: '<string>',
    cancelUrl: '<string>',
    productId: 'pro_abc123',
    lineItems: [{productId: 'pro_abc123', quantity: 1, adjustable: true, min: 499, max: 500}],
    amount: 2,
    currency: '<string>',
    displayName: '<string>',
    customerId: 'cus_abc123',
    customerEmail: 'jsmith@example.com',
    customerFirstName: '<string>',
    customerLastName: '<string>',
    discountCode: '<string>',
    metadata: {},
    customFields: [
      {
        key: '<string>',
        label: '<string>',
        required: true,
        placeholder: '<string>',
        options: [{value: '<string>', label: '<string>'}],
        validation: {regex: '<string>', errorMessage: '<string>'},
        defaultValue: '<string>'
      }
    ],
    expiresIn: 302430
  })
};

fetch('https://api.beta.suby.fi/v3/checkout/sessions', 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.beta.suby.fi/v3/checkout/sessions",
  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([
    'successUrl' => '<string>',
    'cancelUrl' => '<string>',
    'productId' => 'pro_abc123',
    'lineItems' => [
        [
                'productId' => 'pro_abc123',
                'quantity' => 1,
                'adjustable' => true,
                'min' => 499,
                'max' => 500
        ]
    ],
    'amount' => 2,
    'currency' => '<string>',
    'displayName' => '<string>',
    'customerId' => 'cus_abc123',
    'customerEmail' => 'jsmith@example.com',
    'customerFirstName' => '<string>',
    'customerLastName' => '<string>',
    'discountCode' => '<string>',
    'metadata' => [
        
    ],
    'customFields' => [
        [
                'key' => '<string>',
                'label' => '<string>',
                'required' => true,
                'placeholder' => '<string>',
                'options' => [
                                [
                                                                'value' => '<string>',
                                                                'label' => '<string>'
                                ]
                ],
                'validation' => [
                                'regex' => '<string>',
                                'errorMessage' => '<string>'
                ],
                'defaultValue' => '<string>'
        ]
    ],
    'expiresIn' => 302430
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-Suby-Api-Key: <api-key>"
  ],
]);

$response = curl_exec($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.beta.suby.fi/v3/checkout/sessions"

	payload := strings.NewReader("{\n  \"successUrl\": \"<string>\",\n  \"cancelUrl\": \"<string>\",\n  \"productId\": \"pro_abc123\",\n  \"lineItems\": [\n    {\n      \"productId\": \"pro_abc123\",\n      \"quantity\": 1,\n      \"adjustable\": true,\n      \"min\": 499,\n      \"max\": 500\n    }\n  ],\n  \"amount\": 2,\n  \"currency\": \"<string>\",\n  \"displayName\": \"<string>\",\n  \"customerId\": \"cus_abc123\",\n  \"customerEmail\": \"jsmith@example.com\",\n  \"customerFirstName\": \"<string>\",\n  \"customerLastName\": \"<string>\",\n  \"discountCode\": \"<string>\",\n  \"metadata\": {},\n  \"customFields\": [\n    {\n      \"key\": \"<string>\",\n      \"label\": \"<string>\",\n      \"required\": true,\n      \"placeholder\": \"<string>\",\n      \"options\": [\n        {\n          \"value\": \"<string>\",\n          \"label\": \"<string>\"\n        }\n      ],\n      \"validation\": {\n        \"regex\": \"<string>\",\n        \"errorMessage\": \"<string>\"\n      },\n      \"defaultValue\": \"<string>\"\n    }\n  ],\n  \"expiresIn\": 302430\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("X-Suby-Api-Key", "<api-key>")
	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.beta.suby.fi/v3/checkout/sessions")
  .header("X-Suby-Api-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"successUrl\": \"<string>\",\n  \"cancelUrl\": \"<string>\",\n  \"productId\": \"pro_abc123\",\n  \"lineItems\": [\n    {\n      \"productId\": \"pro_abc123\",\n      \"quantity\": 1,\n      \"adjustable\": true,\n      \"min\": 499,\n      \"max\": 500\n    }\n  ],\n  \"amount\": 2,\n  \"currency\": \"<string>\",\n  \"displayName\": \"<string>\",\n  \"customerId\": \"cus_abc123\",\n  \"customerEmail\": \"jsmith@example.com\",\n  \"customerFirstName\": \"<string>\",\n  \"customerLastName\": \"<string>\",\n  \"discountCode\": \"<string>\",\n  \"metadata\": {},\n  \"customFields\": [\n    {\n      \"key\": \"<string>\",\n      \"label\": \"<string>\",\n      \"required\": true,\n      \"placeholder\": \"<string>\",\n      \"options\": [\n        {\n          \"value\": \"<string>\",\n          \"label\": \"<string>\"\n        }\n      ],\n      \"validation\": {\n        \"regex\": \"<string>\",\n        \"errorMessage\": \"<string>\"\n      },\n      \"defaultValue\": \"<string>\"\n    }\n  ],\n  \"expiresIn\": 302430\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.beta.suby.fi/v3/checkout/sessions")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["X-Suby-Api-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"successUrl\": \"<string>\",\n  \"cancelUrl\": \"<string>\",\n  \"productId\": \"pro_abc123\",\n  \"lineItems\": [\n    {\n      \"productId\": \"pro_abc123\",\n      \"quantity\": 1,\n      \"adjustable\": true,\n      \"min\": 499,\n      \"max\": 500\n    }\n  ],\n  \"amount\": 2,\n  \"currency\": \"<string>\",\n  \"displayName\": \"<string>\",\n  \"customerId\": \"cus_abc123\",\n  \"customerEmail\": \"jsmith@example.com\",\n  \"customerFirstName\": \"<string>\",\n  \"customerLastName\": \"<string>\",\n  \"discountCode\": \"<string>\",\n  \"metadata\": {},\n  \"customFields\": [\n    {\n      \"key\": \"<string>\",\n      \"label\": \"<string>\",\n      \"required\": true,\n      \"placeholder\": \"<string>\",\n      \"options\": [\n        {\n          \"value\": \"<string>\",\n          \"label\": \"<string>\"\n        }\n      ],\n      \"validation\": {\n        \"regex\": \"<string>\",\n        \"errorMessage\": \"<string>\"\n      },\n      \"defaultValue\": \"<string>\"\n    }\n  ],\n  \"expiresIn\": 302430\n}"

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

{
  "success": true,
  "data": {
    "id": "cs_abc123",
    "organizationId": "<string>",
    "productId": "<string>",
    "lineItems": [
      {
        "productId": "<string>",
        "quantity": 123,
        "adjustable": true,
        "min": 123,
        "max": 123
      }
    ],
    "amount": 123,
    "currency": "<string>",
    "displayName": "<string>",
    "allowPromo": true,
    "customerId": "<string>",
    "customerEmail": "<string>",
    "customerFirstName": "<string>",
    "customerLastName": "<string>",
    "successUrl": "<string>",
    "cancelUrl": "<string>",
    "discountCode": "<string>",
    "metadata": {},
    "customFields": [
      {
        "key": "<string>",
        "label": "<string>",
        "required": true,
        "placeholder": "<string>",
        "options": [
          {
            "value": "<string>",
            "label": "<string>"
          }
        ],
        "validation": {
          "regex": "<string>",
          "errorMessage": "<string>"
        },
        "defaultValue": "<string>"
      }
    ],
    "url": "<string>",
    "expiresAt": 123,
    "createdAt": 123
  },
  "message": "<string>"
}

{
  "success": false,
  "error": "UNAUTHORIZED",
  "message": "Invalid or missing API key"
}

{
  "success": false,
  "error": "VALIDATION_ERROR",
  "message": "Validation failed",
  "data": {
    "fieldErrors": [
      {
        "field": "method",
        "message": "method is a required field"
      }
    ]
  }
}