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Signing secret rotated email template

The secret used to sign outbound webhooks replaced.

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Illustrative example. Replace the fictional sender, dates, amounts, locations, and account details before use.

Responsive design preview

See the message before you make it yours.

Compare the desktop and mobile compositions, or unfold the full design. The complete starting copy remains readable below.

Signing secret rotatedIllustrative preview
Signing secret rotated email template preview

Auto follows your screen width. Scroll inside the frame to inspect the complete email.

A reviewed browser rendition of the signing secret rotated structure. It is not a send receipt or an inbox-placement claim.

Want to change the copy and style?

Try one of the editable browser templates.

This page is a read-only reference. The five hands-on studios let you edit a local preview, compare desktop and mobile, and review every change before continuing.

See editable templates

Message anatomy

A useful starting point, with the important parts named.

We sign with the new secret and accept the old one for a day. Deploy the new value before that window closes.

What you can change

  • Brand name
  • Subject line
  • Preheader
  • Eyebrow
  • Headline
  • Supporting copy
  • Primary action label
  • Primary action URL

What to keep clear

  1. State or event context
  2. Plain-language explanation
  3. Three labelled facts
  4. Primary and secondary action
  5. Support or privacy footer

Complete starting copy

Read it as text, not only as a picture.

Sample details are fictional. Replace them with reviewed customer and event data before use.
From
Nunwell Hooks
Subject
Your webhook signing secret changed
Preheader
Both secrets work for 24 hours.

Secret rotated

Two valid secrets, one day to switch

We sign with the new secret and accept the old one for a day. Deploy the new value before that window closes.

New secret

Live now

Old secret

Valid for 24 hours

After that

Signatures fail

Copy the new secretExtend the overlap
If you cannot deploy today, extend the overlap rather than skipping verification. Unverified webhooks are worse than late ones.

Moosewave MCP

Give an agent the structure, the job, and a stopping point.

A compatible MCP app can inspect this reference and create a separate workspace draft when it has permission. The brief cannot send.

The brief asks for a new draft and stops before send.

Read the complete brief

Connected work

Take the design beyond the canvas.

Transactional email APIConnect the message to a real product event and keep its outcome visible.IntegrationsCarry the right customer and event context into the draft.SecurityKeep account, access, and recovery boundaries explicit.MCP for agentsAdapt presentation without quietly changing the event being explained.

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