curl --request POST \
  --url https://platform.jobbit.uk/v1/domains/checkout \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "domain": "kentphysio.co.uk",
  "auto_renew": true,
  "currency": "GBP",
  "registrant": {
    "first_name": "Alex",
    "last_name": "Example",
    "email": "alex@example.co.uk",
    "street": "1 Sample Street",
    "zipcode": "ME14 1XX",
    "city": "Maidstone",
    "state": "Kent",
    "country": "GB",
    "phone_country_code": "44",
    "phone_area_code": "1632",
    "phone_subscriber_number": "960123",
    "uk_legal_type": "IND"
  }
}
'

import requests

url = "https://platform.jobbit.uk/v1/domains/checkout"

payload = {
    "domain": "kentphysio.co.uk",
    "auto_renew": True,
    "currency": "GBP",
    "registrant": {
        "first_name": "Alex",
        "last_name": "Example",
        "email": "alex@example.co.uk",
        "street": "1 Sample Street",
        "zipcode": "ME14 1XX",
        "city": "Maidstone",
        "state": "Kent",
        "country": "GB",
        "phone_country_code": "44",
        "phone_area_code": "1632",
        "phone_subscriber_number": "960123",
        "uk_legal_type": "IND"
    }
}
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({
    domain: 'kentphysio.co.uk',
    auto_renew: true,
    currency: 'GBP',
    registrant: {
      first_name: 'Alex',
      last_name: 'Example',
      email: 'alex@example.co.uk',
      street: '1 Sample Street',
      zipcode: 'ME14 1XX',
      city: 'Maidstone',
      state: 'Kent',
      country: 'GB',
      phone_country_code: '44',
      phone_area_code: '1632',
      phone_subscriber_number: '960123',
      uk_legal_type: 'IND'
    }
  })
};

fetch('https://platform.jobbit.uk/v1/domains/checkout', 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://platform.jobbit.uk/v1/domains/checkout",
  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([
    'domain' => 'kentphysio.co.uk',
    'auto_renew' => true,
    'currency' => 'GBP',
    'registrant' => [
        'first_name' => 'Alex',
        'last_name' => 'Example',
        'email' => 'alex@example.co.uk',
        'street' => '1 Sample Street',
        'zipcode' => 'ME14 1XX',
        'city' => 'Maidstone',
        'state' => 'Kent',
        'country' => 'GB',
        'phone_country_code' => '44',
        'phone_area_code' => '1632',
        'phone_subscriber_number' => '960123',
        'uk_legal_type' => 'IND'
    ]
  ]),
  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://platform.jobbit.uk/v1/domains/checkout"

	payload := strings.NewReader("{\n  \"domain\": \"kentphysio.co.uk\",\n  \"auto_renew\": true,\n  \"currency\": \"GBP\",\n  \"registrant\": {\n    \"first_name\": \"Alex\",\n    \"last_name\": \"Example\",\n    \"email\": \"alex@example.co.uk\",\n    \"street\": \"1 Sample Street\",\n    \"zipcode\": \"ME14 1XX\",\n    \"city\": \"Maidstone\",\n    \"state\": \"Kent\",\n    \"country\": \"GB\",\n    \"phone_country_code\": \"44\",\n    \"phone_area_code\": \"1632\",\n    \"phone_subscriber_number\": \"960123\",\n    \"uk_legal_type\": \"IND\"\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://platform.jobbit.uk/v1/domains/checkout")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"domain\": \"kentphysio.co.uk\",\n  \"auto_renew\": true,\n  \"currency\": \"GBP\",\n  \"registrant\": {\n    \"first_name\": \"Alex\",\n    \"last_name\": \"Example\",\n    \"email\": \"alex@example.co.uk\",\n    \"street\": \"1 Sample Street\",\n    \"zipcode\": \"ME14 1XX\",\n    \"city\": \"Maidstone\",\n    \"state\": \"Kent\",\n    \"country\": \"GB\",\n    \"phone_country_code\": \"44\",\n    \"phone_area_code\": \"1632\",\n    \"phone_subscriber_number\": \"960123\",\n    \"uk_legal_type\": \"IND\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://platform.jobbit.uk/v1/domains/checkout")

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  \"domain\": \"kentphysio.co.uk\",\n  \"auto_renew\": true,\n  \"currency\": \"GBP\",\n  \"registrant\": {\n    \"first_name\": \"Alex\",\n    \"last_name\": \"Example\",\n    \"email\": \"alex@example.co.uk\",\n    \"street\": \"1 Sample Street\",\n    \"zipcode\": \"ME14 1XX\",\n    \"city\": \"Maidstone\",\n    \"state\": \"Kent\",\n    \"country\": \"GB\",\n    \"phone_country_code\": \"44\",\n    \"phone_area_code\": \"1632\",\n    \"phone_subscriber_number\": \"960123\",\n    \"uk_legal_type\": \"IND\"\n  }\n}"

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

{
  "url": "https://checkout.stripe.com/c/pay/cs_live_d0m41nB1",
  "session_id": "cs_live_d0m41nB1",
  "domain": "kentphysio.co.uk",
  "domain_registration_id": "a8e41d07-3c52-4b90-86f1-d27b05c9e413",
  "price": {
    "amount": "8.99",
    "currency": "GBP"
  }
}

{
  "error": {
    "code": "invalid_request",
    "message": "Invalid registrant contact",
    "details": {
      "email": [
        "Enter a valid email address."
      ]
    },
    "request_id": "5d3f0b7c8a2e4e19b6c47a90d1e2f3a4"
  }
}

{
  "error": {
    "code": "invalid_key",
    "message": "the API key is missing or invalid",
    "request_id": "5d3f0b7c8a2e4e19b6c47a90d1e2f3a4"
  }
}

{
  "error": {
    "code": "insufficient_scope",
    "message": "this key does not have the deploy:write permission",
    "details": {
      "required": "deploy:write"
    },
    "request_id": "5d3f0b7c8a2e4e19b6c47a90d1e2f3a4"
  }
}

{
  "error": {
    "code": "conflict",
    "message": "Domain is not available",
    "request_id": "5d3f0b7c8a2e4e19b6c47a90d1e2f3a4"
  }
}

{
  "error": {
    "code": "invalid_request",
    "message": "the request is not valid",
    "details": [
      {
        "location": [
          "body",
          "name"
        ],
        "message": "String should match pattern '^[a-z0-9][a-z0-9-]*$'",
        "type": "string_pattern_mismatch"
      }
    ],
    "request_id": "5d3f0b7c8a2e4e19b6c47a90d1e2f3a4"
  }
}

{
  "error": {
    "code": "rate_limited",
    "message": "too many read requests, retry in 4 s",
    "details": {
      "group": "read",
      "limit": 120,
      "window_seconds": 60
    },
    "request_id": "5d3f0b7c8a2e4e19b6c47a90d1e2f3a4"
  }
}