# E06006 — WebhookNoUsableSecret

Endpoint has no non-expired signing secret available.

- **HTTP status**: `412`
- **Type**: `precondition_error`
- **Name**: `WebhookNoUsableSecret`

## What to do

A precondition for this request was not met. Complete the prerequisite the message names (for example, a verification or an earlier setup step), then retry the request.

## Related

- [E06xxx — Webhooks](/docs/api/errors/E06xxx): every code in this range
- [Errors](/docs/api/errors): the full wire contract, status mapping, and error catalog
- [Error handling](/docs/guides/errors): branching on `type` and `code`, validation details, and `vendor_code`