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POST
Rotate Signing Secret

Authorizations

Authorization
string
header
required

API key as Bearer token. Use an account key (mfx_acct_...) for /account/* endpoints, and an environment key (mfx_test_... for sandbox, mfx_live_... for live) for /environment/*, /faxes, /webhooks, and /events.

Path Parameters

webhook
string
required

The webhook public id

Response

WebhookEndpointResource

data
WebhookEndpointResource · object
required
signing_secret
string
required
Last modified on May 11, 2026