List Attempts

Retrieve the delivery attempts for a single webhook event.

Path Parameters

The Webhook ID.

The Webhook Event ID.

Query Parameters

limit (number) — Number of attempts to return. Between 1 and 100. Defaults to 20.
after (string) — The attempt ID to fetch the next page after.

The before parameter is not supported for this endpoint.

Response Fields

object (string) — Always list.
has_more (boolean) — Whether more attempts exist beyond this page.
data (array) — The delivery attempts for this event, most recent first.
properties
- id (string) — The attempt ID.
- http_status_code (number) — The HTTP status code your endpoint returned for this attempt.
- response (string) — The response body your endpoint returned for this attempt.
- sent_at (string) — When this attempt was sent.

Node.js

import { Resend } from 'resend';

const resend = new Resend('re_xxxxxxxxx');

const { data, error } = await resend.webhooks.events.attempts.list({
  eventId: 'msg_1srOrx2ZWZBpBUvZwXKQmoEYga2',
  webhookId: '4dd369bc-aa82-4ff3-97de-514ae3000ee0',
});

PHP

$resend = Resend::client('re_xxxxxxxxx');

$attempts = $resend->webhooks->events->attempts->list(
    '4dd369bc-aa82-4ff3-97de-514ae3000ee0',
    'msg_1srOrx2ZWZBpBUvZwXKQmoEYga2'
);

Python

import resend

resend.api_key = 're_xxxxxxxxx'

attempts = resend.Webhooks.list_event_attempts(
    webhook_id='4dd369bc-aa82-4ff3-97de-514ae3000ee0',
    event_id='msg_1srOrx2ZWZBpBUvZwXKQmoEYga2',
)

Ruby

require 'resend'

Resend.api_key = 're_xxxxxxxxx'

attempts = Resend::Webhooks.list_event_attempts(
  '4dd369bc-aa82-4ff3-97de-514ae3000ee0',
  'msg_1srOrx2ZWZBpBUvZwXKQmoEYga2'
)

package main

import "github.com/resend/resend-go/v4"

func main() {
	client := resend.NewClient("re_xxxxxxxxx")

	client.Webhooks.ListEventAttempts(
		"4dd369bc-aa82-4ff3-97de-514ae3000ee0",
		"msg_1srOrx2ZWZBpBUvZwXKQmoEYga2",
	)
}

Rust

use resend_rs::{list_opts::ListOptions, Resend, Result};

#[tokio::main]
async fn main() -> Result<()> {
  let resend = Resend::new("re_xxxxxxxxx");

  let _attempts = resend
    .webhooks
    .list_event_attempts(
      "4dd369bc-aa82-4ff3-97de-514ae3000ee0",
      "msg_1srOrx2ZWZBpBUvZwXKQmoEYga2",
      ListOptions::default(),
    )
    .await?;

  Ok(())
}

Java

import com.resend.Resend;
import com.resend.core.exception.ResendException;
import com.resend.services.webhooks.model.ListWebhookEventAttemptsResponseSuccess;

public class Main {
    public static void main(String[] args) throws ResendException {
        Resend resend = new Resend("re_xxxxxxxxx");

        ListWebhookEventAttemptsResponseSuccess attempts = resend.webhooks().listEventAttempts(
            "4dd369bc-aa82-4ff3-97de-514ae3000ee0",
            "msg_1srOrx2ZWZBpBUvZwXKQmoEYga2"
        );
    }
}

.NET

using Resend;

IResend resend = ResendClient.Create( "re_xxxxxxxxx" ); // Or from DI

var resp = await resend.WebhookEventAttemptListAsync(
    new Guid( "4dd369bc-aa82-4ff3-97de-514ae3000ee0" ),
    "msg_1srOrx2ZWZBpBUvZwXKQmoEYga2"
);

cURL

curl -X GET 'https://api.resend.com/webhooks/4dd369bc-aa82-4ff3-97de-514ae3000ee0/events/msg_1srOrx2ZWZBpBUvZwXKQmoEYga2/attempts' \
     -H 'Authorization: Bearer re_xxxxxxxxx'

Response

{
  "object": "list",
  "has_more": false,
  "data": [
    {
      "id": "atmpt_1srOrx2ZWZBpBUvZwXKQmoEYga2",
      "http_status_code": 200,
      "response": "{\"ok\":true}",
      "sent_at": "2026-08-22T15:33:12.000Z"
    },
    {
      "id": "atmpt_2ZbUCwvGmIT4mLIN6d3Yz0Ainbd",
      "http_status_code": 500,
      "response": "Internal Server Error",
      "sent_at": "2026-08-22T15:28:05.000Z"
    }
  ]
}