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POST
JavaScript

Authorizations

Authorization
string
header
required

An Account API key, account-scoped JWT, App API key, or user OAuth token. Prepend the key or token with Bearer, for example Bearer ***************************.

Headers

Idempotency-Key
string

A unique key that makes this request safe to retry. See Idempotent requests.

Maximum string length: 255
Example:

"d9105228-4a08-46b1-8b91-42fed586d383"

Api-Version-Date
string

Pins the request to a dated API version.

Example:

"2026-08-21"

Path Parameters

id
string
required

Webhook ID, prefixed hook_.

delivery_id
string
required

Delivery ID, prefixed whdel_, from the List Deliveries endpoint.

Body

application/json
regenerate_id
boolean

Re-send the delivery under a freshly generated webhook-id (in both the envelope and the signed headers) instead of the original one. Defaults to false. Use this when your endpoint deduplicates on webhook-id and you want it to process the replay as a new message.

Example:

true

Response

delivery replayed

body
string
required

The body your endpoint returned for the replayed request, as raw text. Empty when the endpoint could not be reached.

Example:

"OK"

status
integer
required

The HTTP response code your endpoint returned for the replayed request, or 0 when it could not be reached (timeout, DNS, or connection failure).

Example:

200

success
boolean
required

Whether your endpoint acknowledged the replay with a 2xx response.

Example:

true