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POST
Rotate the signing secret

Authorizations

Authorization
string
header
required

A bearer JWT issued by Access Manager. The /v1 surface never reads a tenant from the body, path, or query. Machine callers obtain a token with the Access Manager client-credentials flow. The /admin surface authorizes against an operator scope and carries no tenant context.

Headers

X-Idempotency
string
required

A client-chosen unique key that makes this mutation at-most-once. A mutation sent without it is rejected before any write with 400 missing_idempotency_key. Reusing the same key with an identical request replays the original response byte-for-byte (with X-Idempotency-Replayed: true); reusing it with a different request body returns 409 idempotency_conflict. To re-drive a corrected request, mint a new key.

Path Parameters

id
string<uuid>
required

The unique identifier of the subscription (UUIDv7).

Response

A new signing secret was minted. No read route returns it; a replay of the same X-Idempotency key returns this same response.

signingSecret
string
required

The new webhook signing secret.

Example:

"whsec_1a2b3c4d5e6f7081a2b3c4d5e6f70819"

overlapUntil
string<date-time>
required

The moment the previous secret stops being valid for verification (UTC, RFC 3339) — a 24-hour dual-sign overlap.

Example:

"2026-06-06T12:00:00Z"