Send a test event
Sends a test.ping event to the webhook in the background and answers 202 with its delivery, so you can check signing and connectivity.
Read the delivery to see how the webhook answered.
Guide: Webhook delivery
AuthorizationBearer <token>
A project secret key: vh_sk_... for production, vh_sk_test_... for test. Keep it on your servers.
In: header
Path parameters
projectId*string
The project's id, proj_.... A secret key works only in the project it belongs to.
webhookId*string
The webhook's id, wh_ep_....
Examples
curl -X POST "https://api.voidhash.com/api/v1/projects/proj_tz4a98xxat96iws9zmbrgj3a/webhooks/wh_ep_q5w8e2r7t1y4u9i3o6p0a2s5/test" \ -H "Authorization: Bearer vh_sk_..."{ "id": "wh_del_c9v2b5n8m1q4w7e0r3t6z3x6", "projectId": "proj_tz4a98xxat96iws9zmbrgj3a", "webhookId": "wh_ep_q5w8e2r7t1y4u9i3o6p0a2s5", "eventType": "test.ping", "payload": { "message": "This is a test webhook delivery", "timestamp": "2026-03-01T10:02:00.000Z" }, "status": "pending", "attemptCount": 0, "maxAttempts": 5, "eventOccurredAt": "2026-03-01T10:02:00.000Z", "nextAttemptAt": null, "completedAt": null, "createdAt": "2026-03-01T10:02:00.000Z"}{ "error": { "type": "invalid_request", "code": "string", "message": "string", "param": "string" }}{ "error": { "type": "unauthenticated", "code": "invalid_api_key", "message": "This secret key is not valid." }}{ "error": { "type": "permission_denied", "code": "permission_denied", "message": "Insufficient permissions." }}{ "error": { "type": "not_found", "code": "project_not_found", "message": "There is no project proj_tz4a98xxat96iws9zmbrgj3a, or this credential cannot use it.", "param": "projectId" }}{ "error": { "type": "internal", "code": "internal_error", "message": "Something went wrong on our side. Try again, and contact support with the Request-Id header if it keeps failing." }}Response body
application/json
application/json
application/json
application/json
application/json
application/json
Errors
This operation adds no error codes of its own. It can fail with the errors every operation shares, such as unauthenticated; see Errors.
More in Webhooks
- List webhooks
GET - Create a webhook
POST - Retrieve a webhook
GET - Update a webhook
PATCH - Delete a webhook
DELETE - Rotate a webhook's secret
POST - List a webhook's deliveries
GET - Retrieve a webhook delivery
GET - Retry a webhook delivery
POST
Something wrong or missing on this page? Tell us by email or on Discord.