curl --request POST \
  --url https://api.eventlink.co/api/v1/public/orgs/{orgSlug}/events/{eventSlug}/registrations \
  --header 'Content-Type: application/json' \
  --data '
{
  "answers": {},
  "previewToken": "<string>",
  "utm": {
    "utm_source": "<string>",
    "utm_medium": "<string>",
    "utm_campaign": "<string>",
    "utm_term": "<string>",
    "utm_content": "<string>",
    "ref": "<string>"
  },
  "pageUrl": "<string>"
}
'

import requests

url = "https://api.eventlink.co/api/v1/public/orgs/{orgSlug}/events/{eventSlug}/registrations"

payload = {
    "answers": {},
    "previewToken": "<string>",
    "utm": {
        "utm_source": "<string>",
        "utm_medium": "<string>",
        "utm_campaign": "<string>",
        "utm_term": "<string>",
        "utm_content": "<string>",
        "ref": "<string>"
    },
    "pageUrl": "<string>"
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    answers: {},
    previewToken: '<string>',
    utm: {
      utm_source: '<string>',
      utm_medium: '<string>',
      utm_campaign: '<string>',
      utm_term: '<string>',
      utm_content: '<string>',
      ref: '<string>'
    },
    pageUrl: '<string>'
  })
};

fetch('https://api.eventlink.co/api/v1/public/orgs/{orgSlug}/events/{eventSlug}/registrations', 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.eventlink.co/api/v1/public/orgs/{orgSlug}/events/{eventSlug}/registrations",
  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([
    'answers' => [
        
    ],
    'previewToken' => '<string>',
    'utm' => [
        'utm_source' => '<string>',
        'utm_medium' => '<string>',
        'utm_campaign' => '<string>',
        'utm_term' => '<string>',
        'utm_content' => '<string>',
        'ref' => '<string>'
    ],
    'pageUrl' => '<string>'
  ]),
  CURLOPT_HTTPHEADER => [
    "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.eventlink.co/api/v1/public/orgs/{orgSlug}/events/{eventSlug}/registrations"

	payload := strings.NewReader("{\n  \"answers\": {},\n  \"previewToken\": \"<string>\",\n  \"utm\": {\n    \"utm_source\": \"<string>\",\n    \"utm_medium\": \"<string>\",\n    \"utm_campaign\": \"<string>\",\n    \"utm_term\": \"<string>\",\n    \"utm_content\": \"<string>\",\n    \"ref\": \"<string>\"\n  },\n  \"pageUrl\": \"<string>\"\n}")

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

	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.eventlink.co/api/v1/public/orgs/{orgSlug}/events/{eventSlug}/registrations")
  .header("Content-Type", "application/json")
  .body("{\n  \"answers\": {},\n  \"previewToken\": \"<string>\",\n  \"utm\": {\n    \"utm_source\": \"<string>\",\n    \"utm_medium\": \"<string>\",\n    \"utm_campaign\": \"<string>\",\n    \"utm_term\": \"<string>\",\n    \"utm_content\": \"<string>\",\n    \"ref\": \"<string>\"\n  },\n  \"pageUrl\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.eventlink.co/api/v1/public/orgs/{orgSlug}/events/{eventSlug}/registrations")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"answers\": {},\n  \"previewToken\": \"<string>\",\n  \"utm\": {\n    \"utm_source\": \"<string>\",\n    \"utm_medium\": \"<string>\",\n    \"utm_campaign\": \"<string>\",\n    \"utm_term\": \"<string>\",\n    \"utm_content\": \"<string>\",\n    \"ref\": \"<string>\"\n  },\n  \"pageUrl\": \"<string>\"\n}"

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

{
  "ok": true,
  "contactId": "<string>",
  "registrationId": "<string>",
  "created": true,
  "checkoutUrl": "<string>"
}

{
  "error": "<string>",
  "status": 123,
  "code": "<string>",
  "retryAfterSeconds": 123
}

{
  "error": "<string>",
  "status": 123,
  "code": "<string>",
  "retryAfterSeconds": 123
}

{
  "error": "<string>",
  "status": 123,
  "code": "<string>",
  "retryAfterSeconds": 123
}