curl --request POST \
  --url https://sandbox.api.meet-oj.com/partner/v0/referrals/{referral_id}/webhooks \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'Idempotency-Key: <idempotency-key>' \
  --data '
{
  "url": "<string>",
  "token": "<string>",
  "signing": "hmac",
  "event_types": [],
  "expires_at": "2023-11-07T05:31:56Z"
}
'

import requests

url = "https://sandbox.api.meet-oj.com/partner/v0/referrals/{referral_id}/webhooks"

payload = {
    "url": "<string>",
    "token": "<string>",
    "signing": "hmac",
    "event_types": [],
    "expires_at": "2023-11-07T05:31:56Z"
}
headers = {
    "Idempotency-Key": "<idempotency-key>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'Idempotency-Key': '<idempotency-key>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    url: '<string>',
    token: '<string>',
    signing: 'hmac',
    event_types: [],
    expires_at: '2023-11-07T05:31:56Z'
  })
};

fetch('https://sandbox.api.meet-oj.com/partner/v0/referrals/{referral_id}/webhooks', 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://sandbox.api.meet-oj.com/partner/v0/referrals/{referral_id}/webhooks",
  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([
    'url' => '<string>',
    'token' => '<string>',
    'signing' => 'hmac',
    'event_types' => [
        
    ],
    'expires_at' => '2023-11-07T05:31:56Z'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "Idempotency-Key: <idempotency-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://sandbox.api.meet-oj.com/partner/v0/referrals/{referral_id}/webhooks"

	payload := strings.NewReader("{\n  \"url\": \"<string>\",\n  \"token\": \"<string>\",\n  \"signing\": \"hmac\",\n  \"event_types\": [],\n  \"expires_at\": \"2023-11-07T05:31:56Z\"\n}")

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

	req.Header.Add("Idempotency-Key", "<idempotency-key>")
	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://sandbox.api.meet-oj.com/partner/v0/referrals/{referral_id}/webhooks")
  .header("Idempotency-Key", "<idempotency-key>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"url\": \"<string>\",\n  \"token\": \"<string>\",\n  \"signing\": \"hmac\",\n  \"event_types\": [],\n  \"expires_at\": \"2023-11-07T05:31:56Z\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://sandbox.api.meet-oj.com/partner/v0/referrals/{referral_id}/webhooks")

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

request = Net::HTTP::Post.new(url)
request["Idempotency-Key"] = '<idempotency-key>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"url\": \"<string>\",\n  \"token\": \"<string>\",\n  \"signing\": \"hmac\",\n  \"event_types\": [],\n  \"expires_at\": \"2023-11-07T05:31:56Z\"\n}"

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

{
  "id": "rwh_01K5X8C3D4",
  "referral_id": "<string>",
  "url": "<string>",
  "signing": "hmac",
  "status": "enabled",
  "created_at": "2023-11-07T05:31:56Z",
  "object": "referral_webhook",
  "secret": "<string>",
  "event_types": [
    "referral.received"
  ],
  "expires_at": "2023-11-07T05:31:56Z"
}

{
  "type": "https://api.meet-oj.com/problems/duplicate-external-id",
  "title": "Referral already exists",
  "status": 409,
  "code": "invalid_request",
  "request_id": "req_01K5X4A9M2",
  "detail": "A referral with external_id cust_8842 was created on 2026-09-20 as ref_01K5X3K7Q2.",
  "instance": "/partner/v0/referrals",
  "param": "<string>"
}

{
  "type": "https://api.meet-oj.com/problems/duplicate-external-id",
  "title": "Referral already exists",
  "status": 409,
  "code": "invalid_request",
  "request_id": "req_01K5X4A9M2",
  "detail": "A referral with external_id cust_8842 was created on 2026-09-20 as ref_01K5X3K7Q2.",
  "instance": "/partner/v0/referrals",
  "param": "<string>"
}

{
  "type": "https://api.meet-oj.com/problems/duplicate-external-id",
  "title": "Referral already exists",
  "status": 409,
  "code": "invalid_request",
  "request_id": "req_01K5X4A9M2",
  "detail": "A referral with external_id cust_8842 was created on 2026-09-20 as ref_01K5X3K7Q2.",
  "instance": "/partner/v0/referrals",
  "param": "<string>"
}