# webhooks.test

Send a test event to an endpoint, either webhook.test or a sample of a catalog event, signed like real deliveries. Supply idempotencyKey.

`POST /api/v1/accounting/webhooks.test`

Permissions: `accounting:read`, `accounting:write`, `accounting:admin` · Roles: admin · Idempotency key required · Reaches outside Oatmilk (email or a provider)

MCP tool: `accounting_webhooks_test`

## Fields

| Field | Type | Required | Notes |
| --- | --- | --- | --- |
| `endpointId` | string (ID) | Yes | The ID of the related record. |
| `eventType` | string |  | Matches ^[a-z][a-z0-9_]*(\.[a-z][a-z0-9_]*){1,3}$. |
| `idempotencyKey` | string | Yes | Any unique text you generate once per intended change, so a retried request only happens once. Send it as the Idempotency-Key header instead if you prefer; if you send both they must match. 8–200 characters. |

## Example request

```bash
curl https://app.getoatmilk.com/api/v1/accounting/webhooks.test \
  -H "Authorization: Bearer $OATMILK_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
  "endpointId": "4d5e6f7a-8b9c-4d0e-8f1a-2b3c4d5e6f7a"
}'
```

Reference page: https://app.getoatmilk.com/docs/api/webhooks.test