Create or rotate an event invitation link

curl --request POST \
  --url https://api.gratona.com/v1/admin/events/{eventId}/invitation-links \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "donor_id": 42,
  "email": "jane@example.org",
  "expires_in_hours": 720,
  "event_invitee_id": 42,
  "expected_invitee_version": 1
}
'

import requests

url = "https://api.gratona.com/v1/admin/events/{eventId}/invitation-links"

payload = {
    "donor_id": 42,
    "email": "jane@example.org",
    "expires_in_hours": 720,
    "event_invitee_id": 42,
    "expected_invitee_version": 1
}
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({
    donor_id: 42,
    email: 'jane@example.org',
    expires_in_hours: 720,
    event_invitee_id: 42,
    expected_invitee_version: 1
  })
};

fetch('https://api.gratona.com/v1/admin/events/{eventId}/invitation-links', 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.gratona.com/v1/admin/events/{eventId}/invitation-links",
  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([
    'donor_id' => 42,
    'email' => 'jane@example.org',
    'expires_in_hours' => 720,
    'event_invitee_id' => 42,
    'expected_invitee_version' => 1
  ]),
  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.gratona.com/v1/admin/events/{eventId}/invitation-links"

	payload := strings.NewReader("{\n  \"donor_id\": 42,\n  \"email\": \"jane@example.org\",\n  \"expires_in_hours\": 720,\n  \"event_invitee_id\": 42,\n  \"expected_invitee_version\": 1\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.gratona.com/v1/admin/events/{eventId}/invitation-links")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"donor_id\": 42,\n  \"email\": \"jane@example.org\",\n  \"expires_in_hours\": 720,\n  \"event_invitee_id\": 42,\n  \"expected_invitee_version\": 1\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.gratona.com/v1/admin/events/{eventId}/invitation-links")

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  \"donor_id\": 42,\n  \"email\": \"jane@example.org\",\n  \"expires_in_hours\": 720,\n  \"event_invitee_id\": 42,\n  \"expected_invitee_version\": 1\n}"

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

{
  "data": {
    "id": 42,
    "donor_id": 42,
    "event_invitee_id": 42,
    "expires_at": "2026-10-20T12:00:00Z",
    "last_used_at": "2026-10-20T12:00:00Z",
    "revoked_at": "2026-10-20T12:00:00Z",
    "created_at": "2026-10-20T12:00:00Z",
    "url": "https://app.gratona.com/events/42/annual-gala#invite=issued-token",
    "path": "/event-previews/42/preview#preview_token=issued-token"
  }
}

{
  "message": "Something went wrong. Please try again.",
  "status": "error",
  "error": "invalid_request",
  "code": "DONOR_NOT_FOUND"
}

{
  "message": "Something went wrong. Please try again.",
  "status": "error",
  "error": "invalid_request",
  "code": "DONOR_NOT_FOUND"
}

{
  "message": "Not Found",
  "status": "error"
}

{
  "message": "Something went wrong. Please try again.",
  "status": "error",
  "error": "invalid_request",
  "code": "DONOR_NOT_FOUND"
}

{
  "errors": {},
  "status": "error",
  "message": "The given data was invalid."
}