{
"authid": "68b2c3d4e5f6a7b8c9d0e1f2",
"authtype": "user",
"data": {
"challenge": "8f14e45fceea167a5a36dedd4bea2543",
"endpoint_id": "68d4e5f6a7b8c9d0e1f2a3b4",
"sent_at": "2026-09-01T10:15:30.123Z",
"workspace_id": "68a1b2c3d4e5f6a7b8c9d0e1"
},
"datacontenttype": "application/json",
"dataschema": "https://base44.com/webhooks/schemas/webhook.test.v1.json",
"id": "evt_6a65dbeeb723cfb1a697f349",
"source": "https://base44.com/workspaces/68a1b2c3d4e5f6a7b8c9d0e1",
"specversion": "1.0",
"subject": "endpoints/68d4e5f6a7b8c9d0e1f2a3b4",
"time": "2026-09-01T10:15:30.123Z",
"type": "webhook.test.v1"
}Endpoint activation test
Sent when you register an endpoint, test it, or resume one Base44 paused. Answer with a 2xx status within 5 seconds and return data.challenge in the response body, as {"challenge": "<value>"} or as the bare value. A failed test leaves the endpoint’s state unchanged and isn’t retried: test the endpoint again.
{
"authid": "68b2c3d4e5f6a7b8c9d0e1f2",
"authtype": "user",
"data": {
"challenge": "8f14e45fceea167a5a36dedd4bea2543",
"endpoint_id": "68d4e5f6a7b8c9d0e1f2a3b4",
"sent_at": "2026-09-01T10:15:30.123Z",
"workspace_id": "68a1b2c3d4e5f6a7b8c9d0e1"
},
"datacontenttype": "application/json",
"dataschema": "https://base44.com/webhooks/schemas/webhook.test.v1.json",
"id": "evt_6a65dbeeb723cfb1a697f349",
"source": "https://base44.com/workspaces/68a1b2c3d4e5f6a7b8c9d0e1",
"specversion": "1.0",
"subject": "endpoints/68d4e5f6a7b8c9d0e1f2a3b4",
"time": "2026-09-01T10:15:30.123Z",
"type": "webhook.test.v1"
}Headers
The event's id. Identical on every attempt of the same event.
When this attempt was signed, in Unix seconds. Reject a request more than 300 seconds from your clock.
Space-separated v1a,<base64 signature> entries, one per active signing key. Each signs <webhook-id>.<webhook-timestamp>.<raw body> with Ed25519. Accept the request if any entry verifies against any key in the workspace's public key set.
Body
webhook.test.v1: Endpoint activation test.
The ID of the principal that caused the event.
The kind of principal that caused the event.
user, service_account, api_key, system, unauthenticated, unknown The data object of webhook.test.v1.
Show child attributes
Show child attributes
{
"challenge": "8f14e45fceea167a5a36dedd4bea2543",
"endpoint_id": "68d4e5f6a7b8c9d0e1f2a3b4",
"sent_at": "2026-09-01T10:15:30.123Z",
"workspace_id": "68a1b2c3d4e5f6a7b8c9d0e1"
}
"application/json"The JSON Schema for data.
"https://base44.com/webhooks/schemas/webhook.test.v1.json"Unique event ID. Deduplicate on it: a retry repeats it.
The workspace, as https://base44.com/workspaces/<workspace_id>.
"1.0"What the event is about: apps/<app_id>, or endpoints/<endpoint_id> for a test event.
When the event happened, in UTC. Not when it was sent.
"webhook.test.v1"W3C trace context, when the event was traced.
W3C trace state, when present.
Response
The event was received.
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