List an endpoint's attempts

GET/v1/webhook_endpoints/{id}/attempts

Lists every attempt to send events to the endpoint. Your endpoint should de-duplicate by event ID and accept events out of order.

Path parameters

idstringrequired

The webhook endpoint's ID, starting whk_.

Query parameters

limitinteger

Default 25
cursorstring
event_idstring

evt_… — only this event's attempts (all tries and replays).
outcomestring

succeeded = a 2xx answer; failed = anything else; exhausted = the last attempt of an event that ran out of retries and has not been replayed successfully since.
One of succeeded failed exhausted

Returns

200 application/json. Paginated attempts.

Errors have one shape; see Errors for every code.

Code language

Request

curl "https://api.parasend.com/v1/webhook_endpoints/whk_01M6R27T4KCSN7M0CHFGVH7JRA/attempts" \
  -H "Authorization: Bearer $PARASEND_KEY"

const res = await fetch('https://api.parasend.com/v1/webhook_endpoints/whk_01M6R27T4KCSN7M0CHFGVH7JRA/attempts', {
  method: 'GET',
  headers: {
    Authorization: `Bearer ${process.env.PARASEND_KEY}`,
  },
});
const data = await res.json();

import os, requests

res = requests.get(
    "https://api.parasend.com/v1/webhook_endpoints/whk_01M6R27T4KCSN7M0CHFGVH7JRA/attempts",
    headers={
        "Authorization": f"Bearer {os.environ['PARASEND_KEY']}",
    },
)
data = res.json()

using var http = new HttpClient();
var request = new HttpRequestMessage(HttpMethod.Get, "https://api.parasend.com/v1/webhook_endpoints/whk_01M6R27T4KCSN7M0CHFGVH7JRA/attempts");
request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", Environment.GetEnvironmentVariable("PARASEND_KEY"));
var response = await http.SendAsync(request);
var body = await response.Content.ReadAsStringAsync();

var request = HttpRequest.newBuilder(URI.create("https://api.parasend.com/v1/webhook_endpoints/whk_01M6R27T4KCSN7M0CHFGVH7JRA/attempts"))
    .header("Authorization", "Bearer " + System.getenv("PARASEND_KEY"))
    .GET()
    .build();
var response = HttpClient.newHttpClient().send(request, HttpResponse.BodyHandlers.ofString());

$client = new GuzzleHttp\Client();
$response = $client->request('GET', 'https://api.parasend.com/v1/webhook_endpoints/whk_01M6R27T4KCSN7M0CHFGVH7JRA/attempts', [
    'headers' => [
        'Authorization' => 'Bearer ' . getenv('PARASEND_KEY'),
    ],
]);
$data = json_decode($response->getBody(), true);

Response · 200

{
  "data": [
    {
      "id": "wha_01M6R27T5FDNZNP8H9PR7YDM94",
      "event_id": "evt_01M6R27T08JTMBJ4B6GQP90838",
      "event_type": "delivery.created",
      "attempt_number": 1,
      "ok": true,
      "status_code": 200,
      "latency_ms": 0,
      "replay": true,
      "test": false,
      "failure_stage": null,
      "error": null,
      "created": "2026-11-06T09:15:05.775Z",
      "next_retry_at": null,
      "exhausted": false
    },
    {
      "id": "wha_01M6R27T5AHW8DQ6B11PRVD7NA",
      "event_id": "evt_01M6R27T58P38M9BDCG5V1STPB",
      "event_type": "delivery.confirmed",
      "attempt_number": 1,
      "ok": true,
      "status_code": 200,
      "latency_ms": 1,
      "replay": false,
      "test": true,
      "failure_stage": null,
      "error": null,
      "created": "2026-11-06T09:15:05.771Z",
      "next_retry_at": null,
      "exhausted": false
    }
  ],
  "has_more": false,
  "next_cursor": null
}