curl --request POST \
  --url https://api.example.com/api/v1/checkout-sessions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "customer_id": "<string>",
  "plan_version_id": "<string>",
  "add_ons": [
    {
      "add_on_id": "<string>",
      "customization": {
        "price_entry": {
          "id": "<string>"
        },
        "name": "<string>"
      },
      "quantity": 1
    }
  ],
  "auto_advance_invoices": true,
  "billing_day_anchor": 123,
  "billing_start_date": "2023-12-25",
  "charge_automatically": true,
  "components": {
    "extra_components": [
      {
        "name": "<string>",
        "price_entry": {
          "id": "<string>"
        },
        "product_ref": {
          "id": "<string>"
        }
      }
    ],
    "overridden_components": [
      {
        "component_id": "<string>",
        "name": "<string>",
        "price_entry": {
          "id": "<string>"
        }
      }
    ],
    "parameterized_components": [
      {
        "component_id": "<string>",
        "parameters": {
          "committed_capacity": 1,
          "initial_slot_count": 1
        }
      }
    ],
    "remove_components": [
      "<string>"
    ]
  },
  "coupon_code": "<string>",
  "coupon_ids": [
    "<string>"
  ],
  "end_date": "2023-12-25",
  "expires_in_hours": 1,
  "invoice_memo": "<string>",
  "invoice_threshold": "<string>",
  "metadata": "<unknown>",
  "net_terms": 123,
  "payment_methods_config": {
    "config": {
      "card": {
        "enabled": true
      },
      "direct_debit": {
        "enabled": true
      }
    }
  },
  "purchase_order": "<string>",
  "trial_duration_days": 123
}
'

import requests

url = "https://api.example.com/api/v1/checkout-sessions"

payload = {
    "customer_id": "<string>",
    "plan_version_id": "<string>",
    "add_ons": [
        {
            "add_on_id": "<string>",
            "customization": {
                "price_entry": { "id": "<string>" },
                "name": "<string>"
            },
            "quantity": 1
        }
    ],
    "auto_advance_invoices": True,
    "billing_day_anchor": 123,
    "billing_start_date": "2023-12-25",
    "charge_automatically": True,
    "components": {
        "extra_components": [
            {
                "name": "<string>",
                "price_entry": { "id": "<string>" },
                "product_ref": { "id": "<string>" }
            }
        ],
        "overridden_components": [
            {
                "component_id": "<string>",
                "name": "<string>",
                "price_entry": { "id": "<string>" }
            }
        ],
        "parameterized_components": [
            {
                "component_id": "<string>",
                "parameters": {
                    "committed_capacity": 1,
                    "initial_slot_count": 1
                }
            }
        ],
        "remove_components": ["<string>"]
    },
    "coupon_code": "<string>",
    "coupon_ids": ["<string>"],
    "end_date": "2023-12-25",
    "expires_in_hours": 1,
    "invoice_memo": "<string>",
    "invoice_threshold": "<string>",
    "metadata": "<unknown>",
    "net_terms": 123,
    "payment_methods_config": { "config": {
            "card": { "enabled": True },
            "direct_debit": { "enabled": True }
        } },
    "purchase_order": "<string>",
    "trial_duration_days": 123
}
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({
    customer_id: '<string>',
    plan_version_id: '<string>',
    add_ons: [
      {
        add_on_id: '<string>',
        customization: {price_entry: {id: '<string>'}, name: '<string>'},
        quantity: 1
      }
    ],
    auto_advance_invoices: true,
    billing_day_anchor: 123,
    billing_start_date: '2023-12-25',
    charge_automatically: true,
    components: {
      extra_components: [
        {name: '<string>', price_entry: {id: '<string>'}, product_ref: {id: '<string>'}}
      ],
      overridden_components: [{component_id: '<string>', name: '<string>', price_entry: {id: '<string>'}}],
      parameterized_components: [
        {
          component_id: '<string>',
          parameters: {committed_capacity: 1, initial_slot_count: 1}
        }
      ],
      remove_components: ['<string>']
    },
    coupon_code: '<string>',
    coupon_ids: ['<string>'],
    end_date: '2023-12-25',
    expires_in_hours: 1,
    invoice_memo: '<string>',
    invoice_threshold: '<string>',
    metadata: '<unknown>',
    net_terms: 123,
    payment_methods_config: {config: {card: {enabled: true}, direct_debit: {enabled: true}}},
    purchase_order: '<string>',
    trial_duration_days: 123
  })
};

fetch('https://api.example.com/api/v1/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.example.com/api/v1/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([
    'customer_id' => '<string>',
    'plan_version_id' => '<string>',
    'add_ons' => [
        [
                'add_on_id' => '<string>',
                'customization' => [
                                'price_entry' => [
                                                                'id' => '<string>'
                                ],
                                'name' => '<string>'
                ],
                'quantity' => 1
        ]
    ],
    'auto_advance_invoices' => true,
    'billing_day_anchor' => 123,
    'billing_start_date' => '2023-12-25',
    'charge_automatically' => true,
    'components' => [
        'extra_components' => [
                [
                                'name' => '<string>',
                                'price_entry' => [
                                                                'id' => '<string>'
                                ],
                                'product_ref' => [
                                                                'id' => '<string>'
                                ]
                ]
        ],
        'overridden_components' => [
                [
                                'component_id' => '<string>',
                                'name' => '<string>',
                                'price_entry' => [
                                                                'id' => '<string>'
                                ]
                ]
        ],
        'parameterized_components' => [
                [
                                'component_id' => '<string>',
                                'parameters' => [
                                                                'committed_capacity' => 1,
                                                                'initial_slot_count' => 1
                                ]
                ]
        ],
        'remove_components' => [
                '<string>'
        ]
    ],
    'coupon_code' => '<string>',
    'coupon_ids' => [
        '<string>'
    ],
    'end_date' => '2023-12-25',
    'expires_in_hours' => 1,
    'invoice_memo' => '<string>',
    'invoice_threshold' => '<string>',
    'metadata' => '<unknown>',
    'net_terms' => 123,
    'payment_methods_config' => [
        'config' => [
                'card' => [
                                'enabled' => true
                ],
                'direct_debit' => [
                                'enabled' => true
                ]
        ]
    ],
    'purchase_order' => '<string>',
    'trial_duration_days' => 123
  ]),
  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.example.com/api/v1/checkout-sessions"

	payload := strings.NewReader("{\n  \"customer_id\": \"<string>\",\n  \"plan_version_id\": \"<string>\",\n  \"add_ons\": [\n    {\n      \"add_on_id\": \"<string>\",\n      \"customization\": {\n        \"price_entry\": {\n          \"id\": \"<string>\"\n        },\n        \"name\": \"<string>\"\n      },\n      \"quantity\": 1\n    }\n  ],\n  \"auto_advance_invoices\": true,\n  \"billing_day_anchor\": 123,\n  \"billing_start_date\": \"2023-12-25\",\n  \"charge_automatically\": true,\n  \"components\": {\n    \"extra_components\": [\n      {\n        \"name\": \"<string>\",\n        \"price_entry\": {\n          \"id\": \"<string>\"\n        },\n        \"product_ref\": {\n          \"id\": \"<string>\"\n        }\n      }\n    ],\n    \"overridden_components\": [\n      {\n        \"component_id\": \"<string>\",\n        \"name\": \"<string>\",\n        \"price_entry\": {\n          \"id\": \"<string>\"\n        }\n      }\n    ],\n    \"parameterized_components\": [\n      {\n        \"component_id\": \"<string>\",\n        \"parameters\": {\n          \"committed_capacity\": 1,\n          \"initial_slot_count\": 1\n        }\n      }\n    ],\n    \"remove_components\": [\n      \"<string>\"\n    ]\n  },\n  \"coupon_code\": \"<string>\",\n  \"coupon_ids\": [\n    \"<string>\"\n  ],\n  \"end_date\": \"2023-12-25\",\n  \"expires_in_hours\": 1,\n  \"invoice_memo\": \"<string>\",\n  \"invoice_threshold\": \"<string>\",\n  \"metadata\": \"<unknown>\",\n  \"net_terms\": 123,\n  \"payment_methods_config\": {\n    \"config\": {\n      \"card\": {\n        \"enabled\": true\n      },\n      \"direct_debit\": {\n        \"enabled\": true\n      }\n    }\n  },\n  \"purchase_order\": \"<string>\",\n  \"trial_duration_days\": 123\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.example.com/api/v1/checkout-sessions")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"customer_id\": \"<string>\",\n  \"plan_version_id\": \"<string>\",\n  \"add_ons\": [\n    {\n      \"add_on_id\": \"<string>\",\n      \"customization\": {\n        \"price_entry\": {\n          \"id\": \"<string>\"\n        },\n        \"name\": \"<string>\"\n      },\n      \"quantity\": 1\n    }\n  ],\n  \"auto_advance_invoices\": true,\n  \"billing_day_anchor\": 123,\n  \"billing_start_date\": \"2023-12-25\",\n  \"charge_automatically\": true,\n  \"components\": {\n    \"extra_components\": [\n      {\n        \"name\": \"<string>\",\n        \"price_entry\": {\n          \"id\": \"<string>\"\n        },\n        \"product_ref\": {\n          \"id\": \"<string>\"\n        }\n      }\n    ],\n    \"overridden_components\": [\n      {\n        \"component_id\": \"<string>\",\n        \"name\": \"<string>\",\n        \"price_entry\": {\n          \"id\": \"<string>\"\n        }\n      }\n    ],\n    \"parameterized_components\": [\n      {\n        \"component_id\": \"<string>\",\n        \"parameters\": {\n          \"committed_capacity\": 1,\n          \"initial_slot_count\": 1\n        }\n      }\n    ],\n    \"remove_components\": [\n      \"<string>\"\n    ]\n  },\n  \"coupon_code\": \"<string>\",\n  \"coupon_ids\": [\n    \"<string>\"\n  ],\n  \"end_date\": \"2023-12-25\",\n  \"expires_in_hours\": 1,\n  \"invoice_memo\": \"<string>\",\n  \"invoice_threshold\": \"<string>\",\n  \"metadata\": \"<unknown>\",\n  \"net_terms\": 123,\n  \"payment_methods_config\": {\n    \"config\": {\n      \"card\": {\n        \"enabled\": true\n      },\n      \"direct_debit\": {\n        \"enabled\": true\n      }\n    }\n  },\n  \"purchase_order\": \"<string>\",\n  \"trial_duration_days\": 123\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/api/v1/checkout-sessions")

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  \"customer_id\": \"<string>\",\n  \"plan_version_id\": \"<string>\",\n  \"add_ons\": [\n    {\n      \"add_on_id\": \"<string>\",\n      \"customization\": {\n        \"price_entry\": {\n          \"id\": \"<string>\"\n        },\n        \"name\": \"<string>\"\n      },\n      \"quantity\": 1\n    }\n  ],\n  \"auto_advance_invoices\": true,\n  \"billing_day_anchor\": 123,\n  \"billing_start_date\": \"2023-12-25\",\n  \"charge_automatically\": true,\n  \"components\": {\n    \"extra_components\": [\n      {\n        \"name\": \"<string>\",\n        \"price_entry\": {\n          \"id\": \"<string>\"\n        },\n        \"product_ref\": {\n          \"id\": \"<string>\"\n        }\n      }\n    ],\n    \"overridden_components\": [\n      {\n        \"component_id\": \"<string>\",\n        \"name\": \"<string>\",\n        \"price_entry\": {\n          \"id\": \"<string>\"\n        }\n      }\n    ],\n    \"parameterized_components\": [\n      {\n        \"component_id\": \"<string>\",\n        \"parameters\": {\n          \"committed_capacity\": 1,\n          \"initial_slot_count\": 1\n        }\n      }\n    ],\n    \"remove_components\": [\n      \"<string>\"\n    ]\n  },\n  \"coupon_code\": \"<string>\",\n  \"coupon_ids\": [\n    \"<string>\"\n  ],\n  \"end_date\": \"2023-12-25\",\n  \"expires_in_hours\": 1,\n  \"invoice_memo\": \"<string>\",\n  \"invoice_threshold\": \"<string>\",\n  \"metadata\": \"<unknown>\",\n  \"net_terms\": 123,\n  \"payment_methods_config\": {\n    \"config\": {\n      \"card\": {\n        \"enabled\": true\n      },\n      \"direct_debit\": {\n        \"enabled\": true\n      }\n    }\n  },\n  \"purchase_order\": \"<string>\",\n  \"trial_duration_days\": 123\n}"

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

{
  "session": {
    "created_at": "2023-11-07T05:31:56Z",
    "customer_id": "<string>",
    "id": "<string>",
    "plan_version_id": "<string>",
    "billing_day_anchor": 123,
    "billing_start_date": "2023-12-25",
    "checkout_url": "<string>",
    "completed_at": "2023-11-07T05:31:56Z",
    "coupon_code": "<string>",
    "expires_at": "2023-11-07T05:31:56Z",
    "net_terms": 123,
    "payment_methods_config": {
      "config": {
        "card": {
          "enabled": true
        },
        "direct_debit": {
          "enabled": true
        }
      }
    },
    "subscription_id": "sub_7n42DGM5Tflk9n8mt7Fhc7",
    "trial_duration_days": 123
  }
}

{
  "message": "<string>"
}

{
  "message": "<string>"
}

{
  "message": "<string>"
}

{
  "message": "<string>"
}