---
title: "List outbound webhook delivery attempts"
method: GET
path: "/webhooks/{id}/deliveries/{deliveryId}/attempts"
tags: ["Webhooks"]
---

# List outbound webhook delivery attempts

`GET /webhooks/{id}/deliveries/{deliveryId}/attempts`

Lists the latest HTTP attempt summary for a webhook delivery.

## Path parameters

- `id` string, required
- `deliveryId` string, required

## Response `200`

Success

- object
  - `success` boolean
  - `attempts` OutboundWebhookDeliveryAttempt[]
    - `id` string
    - `attemptNumber` integer
    - `status` 'succeeded' | 'failed'
    - `statusCode` integer, nullable
    - `error` string, nullable
    - `responseBody` string, nullable
    - `durationMs` integer, nullable
    - `createdAt` string, date-time

## Other responses

- `401` — Unauthorized
- `404` — Webhook or delivery not found
- `503` — The database was temporarily unavailable. The request may be retried after the delay in Retry-After.

## Changes

- **2026-08-19** `ba3a29c6eb33` — 3 info
  - added the optional property `retryable` to the response with the `401` status
  - added the optional property `retryable` to the response with the `404` status
  - added the optional property `retryable` to the response with the `503` status
- **2026-08-18** `8fbabe82a04d` — 1 info
  - added the non-success response with the status `503`
- **2026-08-16** `6fd2903b91ce` — 2 info
  - added the optional property `code` to the response with the `401` status
  - added the optional property `code` to the response with the `404` status
- **2026-08-02** `36f92fc0caa2` — 2 breaking
  - the response property `success` became optional for the status `401`
  - the response property `success` became optional for the status `404`
- **2026-05-07** `50ebf9e9f651` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/sequenzy/apis/sequenzy-api/changes/webhooks/:id/deliveries/:deliveryId/attempts/get.md)

---

[API](https://skmtc.dev/sequenzy/apis/sequenzy-api.md) · [All operations](https://skmtc.dev/sequenzy/apis/sequenzy-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/sequenzy/sequenzy-api/revisions/e1667306c303/schema)