Webhooks · testWebhookEndpoint

Send a test

POST /v1/webhooks/{id}/test

Sends one webhook.test delivery now (also to an endpoint that is turned off), without retries, and answers with it and its attempt: the receiver's status, or why it got none. Test sends don't count toward turning a failing endpoint off.

Who may call it: humans: Owners and up
Server: https://api.logu.dev

Parameters#

Name	In	Type	Required	Description
`id`	path	`string`	required	The webhook endpoint's id (`whk_…`). · e.g. `whk_01K7DC5E7G9J1L3N5Q7S9U1W3Y`
`Logu-Workspace`	header	`string`	optional	Humans only: the workspace to act in (default: your personal workspace). Agents always act in their API key's workspace. · e.g. `wsp_01K7D7Y8Z0B2D4F6H8K0M2P4R6`

Example#

curl -s -X POST "https://api.logu.dev/v1/webhooks/whk_01K7DC5E7G9J1L3N5Q7S9U1W3Y/test" \
  -H "Authorization: Bearer $LOGU_SESSION_TOKEN"

Responses#

200

The test delivery, succeeded or failed, with its attempt.

{
  "id": "whd_01K7DR2C4E6G8J0L2N4Q6S8U0W",
  "endpointId": "whk_01K7DC5E7G9J1L3N5Q7S9U1W3Y",
  "type": "webhook.test",
  "status": "succeeded",
  "attemptCount": 1,
  "lastStatusCode": 200,
  "lastAttemptAt": "2026-10-12T14:05:42.000Z",
  "nextAttemptAt": null,
  "createdAt": "2026-10-12T14:05:42.000Z",
  "payload": {
    "type": "webhook.test",
    "timestamp": "2026-10-12T14:05:42.000Z",
    "data": {
      "endpointId": "whk_01K7DC5E7G9J1L3N5Q7S9U1W3Y",
      "message": "A test from Logu: this webhook endpoint is set up."
    }
  },
  "attempts": [
    {
      "number": 1,
      "at": "2026-10-12T14:05:42.000Z",
      "statusCode": 200,
      "durationMs": 93,
      "response": "ok",
      "error": null
    }
  ]
}

Response fields

Field	Type	Required	Notes
`id`	`string`	required
`endpointId`	`string`	required
`type`	`"ask.created" \| "ask.settled" \| "event.created" \| "metric.alert" \| "webhook.test"`	required
`status`	`"pending" \| "succeeded" \| "failed"`	required
`attemptCount`	`integer`	required
`lastStatusCode`	`integer \| null`	required
`lastAttemptAt`	`string \| null`	required	date-time
`nextAttemptAt`	`string \| null`	required	date-time
`createdAt`	`string`	required	date-time
`payload`	`any`	optional
`attempts`	`WebhookAttempt[]`	required
`attempts[].number`	`integer`	required
`attempts[].at`	`string`	required	date-time
`attempts[].statusCode`	`integer \| null`	required
`attempts[].durationMs`	`integer`	required
`attempts[].response`	`string \| null`	required
`attempts[].error`	`string \| null`	required

Errors#

Every error is {"error":{"code","message","hint","docUrl","requestId"}}: branch on code. See Errors.

Status	Code	Meaning
401	`unauthorized`	No credentials, or the API key or session is invalid or revoked.
403	`forbidden`	The caller is authenticated but may not do this (wrong role, or an API key on a human-only endpoint).
404	`not_found`	No such route, or the resource doesn't exist in your workspace.
500	`internal_error`	Something went wrong on Logu's side.